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Category Breakdown
Compare volume and activity across platforms by category
Kalshi Categories
| Category | Markets | Volume | Change |
|---|---|---|---|
| Politics | 17,419 | $2.2M | -42.4% |
| Sports | 775,514 | $222.5M | +6.2% |
| Crypto | 4,691 | $27.2M | -10.8% |
| Economics | 3,383 | $495.0K | -60.5% |
| Finance | 958 | $52.4K | -87.7% |
| Tech | 512 | $106.4K | -3.6% |
| Culture | 7,711 | $465.9K | -12.9% |
| Weather | 2,904 | $1.3M | +15.3% |
| Misc | 748 | $26.4K | -99.4% |
| World | 24,801 | $1.8M | -50.3% |
Polymarket Categories
| Category | Markets | Volume | Change |
|---|---|---|---|
| Politics | 4,822 | $62.4M | -58.6% |
| Sports | 18,442 | $89.7M | +46.1% |
| Crypto | 6,135 | $33.1M | -0.3% |
| Economics | 559 | $2.1M | -5% |
| Finance | 919 | $864.4K | -19.7% |
| Tech | 573 | $577.1K | -41.6% |
| Culture | 1,086 | $5.3M | -24.6% |
| Weather | 73 | $45.4K | +20% |
| Misc | 33,436 | $70.4M | -5.3% |
| Mentions | 8 | $9.2K | -22% |
Kalshi Categories
| Category | Markets | Volume | Change |
|---|---|---|---|
| Politics | 15,096 | $20.1M | -11.7% |
| Sports | 1,255,933 | $1.6B | -7.2% |
| Crypto | 18,048 | $250.4M | +13.1% |
| Economics | 3,208 | $9.3M | -1.6% |
| Finance | 6,830 | $2.9M | +9.2% |
| Tech | 381 | $685.1K | -22.7% |
| Culture | 4,557 | $5.9M | +36.8% |
| Weather | 10,232 | $8.5M | +11% |
| Misc | 1,676 | $1.9M | +201.3% |
| World | 43,962 | $15.7M | +0.4% |
Polymarket Categories
| Category | Markets | Volume | Change |
|---|---|---|---|
| Politics | 4,192 | $185.1M | -0.1% |
| Sports | 9,116 | $244.9M | -30.1% |
| Crypto | 2,130 | $47.7M | -28.3% |
| Economics | 482 | $25.7M | -68.2% |
| Finance | 901 | $7.2M | -15.6% |
| Tech | 519 | $4.5M | -53.4% |
| Culture | 859 | $29.2M | +7.4% |
| Weather | 93 | $239.8K | -40.4% |
| Misc | 21,872 | $223.7M | -23.9% |
| Mentions | 9 | $66.8K | -25% |
Kalshi Categories
| Category | Markets | Volume | Change |
|---|---|---|---|
| Politics | 46,171 | $99.7M | +3.6% |
| Sports | 4,456,308 | $6.5B | +16.5% |
| Crypto | 95,292 | $981.8M | +13.5% |
| Economics | 9,118 | $42.1M | -39.4% |
| Finance | 22,937 | $13.4M | -0.9% |
| Tech | 833 | $4.0M | +35.1% |
| Culture | 10,461 | $16.5M | +12.7% |
| Weather | 35,246 | $34.5M | +17.3% |
| Misc | 8,654 | $5.4M | +3.1% |
| World | 135,107 | $56.6M | +8.6% |
Polymarket Categories
| Category | Markets | Volume | Change |
|---|---|---|---|
| Politics | 5,749 | $1.1B | -48.6% |
| Sports | 42,434 | $2.1B | -52.4% |
| Crypto | 28,237 | $846.1M | -67.6% |
| Economics | 835 | $248.9M | -34% |
| Finance | 1,656 | $39.7M | -78.7% |
| Tech | 927 | $43.9M | -77% |
| Culture | 1,311 | $106.3M | -29.4% |
| Weather | 131 | $1.9M | -98% |
| Misc | 89,172 | $1.8B | -9.9% |
| Mentions | 22 | $181.3K | -93.1% |
Weekly volume analysis
Kalshi’s $52 Million UFC Event Had $11.1 Million on Chimaev
Kalshi showed $52 million in contract volume on UFC 328, one of the platform’s biggest fight nights to date. Actual cash exchanged: $18.98 million. Of that, 58.4% backed Khamzat Chimaev, who lost a split decision to Sean Strickland.
Kalshi Widens Volume Lead Over Polymarket With Record $14.8B April
Kalshi pulls away with record April volume of $14.81B (+13.3% MoM) while Polymarket fell 14.8%, widening the gap to $5.8B. Sports-driven model proving more resilient for now with Kalshi’s ~85% Sports + Exotics mix sustaining volume even without Super Bowl or March Madness.
Kalshi Maintains $3B Weekly Volume, Polymarket Pulls Back Post-Masters
Weekly notional volume on the two largest prediction markets pulled back from the prior week’s Masters-fueled highs. Kalshi posted $3.06B for the week of April 13, down 13.6% WoW from the prior week’s record $3.54B. Polymarket had $2.04B in notional volume last week, down 17.5% from $2.48B, according to DeFi Rate’s prediction markets volume tracker. […]
Kalshi Notches Record $3.5B Volume, with $545 Million Coming in From Masters
The week of April 6–11 was the strongest yet for prediction markets, driven by The Masters and a combination of US election races and geopolitical events. Kalshi posted an all-time best $3.54B in notional volume (+21.8% week-over-week), while Polymarket surged to $2.48B (+25.5% WoW). The two industry leaders combined for $6.02B for the week, based […]
Kalshi Posts $13B Record Volume in March, Extends Lead Over Polymarket to $1B
Both platforms hit March records, then diverged: Kalshi rose 6.4% in the week of March 30 while Polymarket fell 12%, widening Kalshi’s notional volume lead to $932M.
Kalshi Hits $12B, Polymarket $10B All-Time Highs on March NCAA Tournament Surge
Kalshi posted $12.35B in March with two days to go for its biggest month ever while Polymarket crossed $10B in monthly volume for the first time. March Madness trading fueled the surge.
Top Markets by Volume
Highest trading activity across platforms
UFC 328: Chimaev vs Strickland
KalshiGame 3: Oklahoma City at Los Angeles L
KalshiGame 3: Detroit at Cleveland
KalshiUFC 328: Sean Strickland vs. Khamzat Chimaev (Middleweight, Main Card)
Polymarket2026 FIFA World Cup Winner
PolymarketThunder vs. Lakers
PolymarketChennai Super Kings vs Lucknow Super Giants
KalshiWhen will Bitcoin hit $150k?
PolymarketUFC 328: van vs Taira
KalshiRoyal Challengers Bengaluru vs Mumbai Indians
KalshiManchester City FC vs. Brentford FC
PolymarketSpurs vs. Timberwolves
PolymarketUS x Iran permanent peace deal by...?
PolymarketGame 3: Oklahoma City at Los Angeles L: Spread
KalshiVfL Wolfsburg vs. FC Bayern München
PolymarketVfB Stuttgart vs. Bayer 04 Leverkusen
PolymarketLiverpool FC vs. Chelsea FC
PolymarketSS Lazio vs. FC Internazionale Milano
PolymarketGame 3: Detroit at Cleveland: Spread
KalshiEurovision Winner 2026
PolymarketMinnesota vs Cleveland
KalshiMedjedovic vs Fonseca
KalshiRajasthan Royals vs Gujarat Titans
KalshiGame 3: Detroit at Cleveland: Total Points
KalshiGame 3: Oklahoma City at Los Angeles L: Total Points
KalshiTruist Championship Winner
KalshiNew York Y vs Milwaukee
KalshiPopyrin vs Mensik
KalshiUFC 328: Brady vs Buckley
KalshiUFC 328: Tatsuro Taira vs. Joshua Van (Flyweight, Main Card)
PolymarketPistons vs. Cavaliers
PolymarketSunderland AFC vs. Manchester United FC
PolymarketTiafoe vs Buse
KalshiOklahoma City vs. Los Angeles L
Polymarket USChicago C vs Texas
KalshiBasilashvili vs Shelton
KalshiUFC 328: Volkov vs Cortes-Acosta
KalshiRepublican Presidential Nominee 2028
PolymarketGame 4: Carolina at Philadelphia
KalshiGame 3: Colorado at Minnesota
KalshiCagliari Calcio vs. Udinese Calcio
PolymarketWest Ham vs Arsenal
KalshiWashington vs Miami
KalshiUFC 328: Joaquin Buckley vs. Sean Brady (Welterweight, Main Card)
PolymarketKhamzat Chimaev vs. Sean Strickland: Method of Victory
KalshiDemocratic Presidential Nominee 2028
PolymarketRB Leipzig vs. FC St. Pauli 1910
PolymarketElon Musk # tweets May 5 - May 12, 2026?
PolymarketBouzige vs Kumasaka
KalshiClub Atlético de Madrid vs. RC Celta de Vigo
PolymarketA's vs Baltimore
KalshiHantavirus pandemic in 2026?
PolymarketHouston vs Cincinnati
KalshiAtlanta vs Los Angeles D
KalshiYou vs Liang
KalshiColorado vs Philadelphia
KalshiDallas vs Indiana
KalshiFed Decision in June?
PolymarketNext French Presidential Election
PolymarketReal Sociedad de Fútbol vs. Real Betis Balompié
PolymarketPresidential Election Winner 2028
PolymarketGame 4: New York at Philadelphia
KalshiSean Strickland vs. Khamzat Chimaev
Polymarket USFulham FC vs. AFC Bournemouth
PolymarketSeries Winner: Los Angeles L (4) vs Oklahoma City (1)
Kalshi2026 NBA Champion
PolymarketCounter-Strike: PARIVISION vs 9z (BO3) - PGL Astana Group Stage
PolymarketUFC 328: Jim Miller vs. Jared Gordon (Lightweight, Prelims)
PolymarketF1 Drivers' Champion
PolymarketUFC 328: Alexander Volkov vs. Waldo Cortes-Acosta (Heavyweight, Main Card)
PolymarketHellas Verona FC vs. Como 1907
PolymarketRCD Mallorca vs. Villarreal CF
PolymarketLiverpool FC vs. Chelsea FC - More Markets
PolymarketIndian Premier League: Royal Challengers Bangalore vs Mumbai Indians
PolymarketStrait of Hormuz traffic returns to normal by May 15?
PolymarketBrazil Presidential Election
PolymarketWhat price will Bitcoin hit in May?
PolymarketWill the US confirm that aliens exist by...?
PolymarketCounter-Strike: Team Falcons vs K27 (BO3) - PGL Astana Group Stage
PolymarketInternazionali BNL d'Italia: Karen Khachanov vs Botic van de Zandschulp
PolymarketAvalanche vs. Wild
PolymarketPro Basketball Champion?
KalshiLoL: Weibo Gaming vs Ninjas in Pyjamas (BO3) - LPL Group Ascend
PolymarketInternazionali BNL d'Italia: Lorenzo Musetti vs Francisco Cerundolo
PolymarketHurricanes vs. Flyers
PolymarketWho will be confirmed as Fed Chair?
PolymarketFC Augsburg vs. Borussia Mönchengladbach
PolymarketBitcoin above ___ on May 9?
PolymarketNikoloz Basilashvili vs. Ben Shelton
Polymarket USManchester City FC vs. Brentford FC - More Markets
PolymarketInternazionali BNL d'Italia: Liudmila Samsonova vs Anastasia Potapova
PolymarketElon Musk # tweets May 9 - May 11, 2026?
PolymarketWashington vs Miami
KalshiElon Musk # tweets May 8 - May 15, 2026?
PolymarketStrait of Hormuz traffic returns to normal by end of May?
PolymarketTatsuro Taira vs. Joshua Van
Polymarket USCalifornia Governor Election Winner
PolymarketNew York Yankees vs. Milwaukee Brewers
Polymarket USDetroit vs. Cleveland
Polymarket USNBA Playoffs: Western Conference Champion
PolymarketMyrtle Beach Classic Winner
KalshiTien vs Bublik
KalshiTampa Bay Rays vs. Boston Red Sox
PolymarketMicroStrategy sells any Bitcoin by ___ ?
PolymarketHamad Medjedovic vs. Joao Fonseca
Polymarket USFrances Tiafoe vs. Ignacio Buse
Polymarket USMinnesota Twins vs. Cleveland Guardians
Polymarket USBarcelona vs Real Madrid
Kalshi2026 Men's French Open Winner
PolymarketPaul vs Darderi
KalshiGame 4: San Antonio at Minnesota
KalshiWashington Nationals vs. Miami Marlins
Polymarket USAlexei Popyrin vs. Jakub Mensik
Polymarket USDino Prizmic vs. Novak Djokovic
Polymarket USMadison Keys vs. Peyton Stearns
Polymarket USCarolina Hurricanes vs. Philadelphia Flyers
Polymarket USGame 4: New York at Philadelphia: Spread
KalshiSeries Winner: Philadelphia (7) vs New York (3)
KalshiBitcoin price on May 10, 2026 at 1pm EDT?
KalshiAryna Sabalenka vs. Sorana Cirstea
Polymarket USAlexander Volkov vs. Waldo Cortes-Acosta
Polymarket USBax vs Hemery
KalshiBitcoin price on May 10, 2026 at 5pm EDT?
KalshiGame 4: Oklahoma City at Los Angeles L
KalshiQinwen Zheng vs. Jelena Ostapenko
Polymarket USArsenal at West Ham: Totals
KalshiAnastasia Potapova vs. Karolina Muchova
Polymarket USWho will win in the upcoming cricket event Chennai Super Kings vs Lucknow Super Giants scheduled for 2026-05-10 10:00:00+00?
Polymarket USElina Svitolina vs. Noemi Basiletti
Polymarket USBTC 15 min · $81,264.35 target
KalshiTampa Bay vs Boston
KalshiGame 4: New York at Philadelphia: Total Points
KalshiManchester City vs. Brentford 2026
Polymarket USJoaquin Buckley vs. Sean Brady
Polymarket USAthletics vs. Baltimore Orioles
Polymarket USWashington vs Miami: Total Runs
KalshiWhat will the announcers say during Khamzat Chimaev vs Sean Strickland UFC Fight
KalshiAtlanta Braves vs. Los Angeles Dodgers
Polymarket USLos Angeles Mayoral Election winner?
KalshiRyan Seggerman vs. Jay Clarke
Polymarket USNew York Y vs Milwaukee
KalshiPGA Championship Winner
KalshiWho will win in the upcoming cricket event Rajasthan Royals vs Gujarat Titans scheduled for 2026-05-09 14:00:00+00?
Polymarket US2026 Men's World Cup winner?
KalshiWho will win in the upcoming basketball event Indiana vs Dallas scheduled for 2026-05-09 17:00:00+00?
Polymarket USLorenzo Musetti vs. Giovanni Mpetshi Perricard
Polymarket USCombo
KalshiMatheus Pucinelli de Almeida vs. Franco Roncadelli
Polymarket USXinxin Yao vs. Xiaodi You
Polymarket USEastern Conference Champion?
KalshiRound 2: Los Angeles L vs Oklahoma City
Polymarket USTruist Championship Champion: Alex Fitzpatrick
Polymarket USTruist Championship Champion: Cameron Young
Polymarket USRound 2: Cleveland vs Detroit
Polymarket USSan Antonio vs. Minnesota
Polymarket USOklahoma City vs. Los Angeles L
Polymarket USTruist Championship Champion: Kristoffer Reitan
Polymarket USRound 2: Minnesota vs San Antonio
Polymarket USRound 2: Cleveland vs Detroit
Polymarket USRound 2: Buffalo Sabres vs Montreal Canadiens
Polymarket USTruist Championship Champion: Justin Thomas
Polymarket USRound 2: Minnesota vs San Antonio
Polymarket USONEflight Myrtle Beach Classic Champion: Aaron Rai
Polymarket USONEflight Myrtle Beach Classic Champion: Mark Hubbard
Polymarket USRound 2: Carolina Hurricanes vs Philadelphia Flyers
Polymarket USTruist Championship Champion: Rory McIlroy
Polymarket USTruist Championship Champion: Sung-Jae Im
Polymarket USU.S Senate Midterm Winner: Republican Party
Polymarket USTruist Championship Champion: Tommy Fleetwood
Polymarket USONEflight Myrtle Beach Classic Champion: Beau Hossler
Polymarket USTruist Championship Champion: J.J. Spaun
Polymarket USU.S House Midterm Winner: Republican Party
Polymarket USTruist Championship Champion: Nicolai Hojgaard
Polymarket USNicolas Dalby vs. Jeremiah Wells
Polymarket US2026 FIFA World Cup Winner
PolymarketUS x Iran permanent peace deal by...?
PolymarketQatarEnergy announces/resumes LNG production in Qatar by April 30?
PolymarketEurovision Winner 2026
PolymarketDemocratic Presidential Nominee 2028
PolymarketWhen will Bitcoin hit $150k?
PolymarketUFC 328: Sean Strickland vs. Khamzat Chimaev (Middleweight, Main Card)
PolymarketRepublican Presidential Nominee 2028
Polymarket2026 NBA Champion
PolymarketPresidential Election Winner 2028
PolymarketLakers vs. Thunder
PolymarketChelsea FC vs. Nottingham Forest FC
PolymarketRaptors vs. Cavaliers
PolymarketKnicks vs. 76ers
PolymarketFC Bayern München vs. Paris Saint-Germain FC
PolymarketManchester United FC vs. Liverpool FC
PolymarketArsenal FC vs. Club Atlético de Madrid
PolymarketPro Basketball Champion?
KalshiWhat price will Bitcoin hit in May?
PolymarketNext French Presidential Election
PolymarketU.S. anti-cartel operation outside of the U.S. by...?
PolymarketThunder vs. Lakers
Polymarket76ers vs. Knicks
PolymarketStrait of Hormuz traffic returns to normal by May 15?
PolymarketWhat will WTI Crude Oil (WTI) hit in May 2026?
PolymarketWill the U.S. invade Iran before 2027?
PolymarketTruist Championship Winner
KalshiF1 Drivers' Champion
PolymarketTamil Nadu Legislative Assembly Election Winner
PolymarketNext Prime Minister of Hungary
PolymarketLakers vs. Thunder
PolymarketElon Musk # tweets April 28 - May 5, 2026?
PolymarketTimberwolves vs. Spurs
PolymarketEverton FC vs. Manchester City FC
PolymarketCavaliers vs. Pistons
PolymarketFed Decision in June?
PolymarketStrait of Hormuz traffic returns to normal by end of May?
PolymarketTimberwolves vs. Spurs
PolymarketHantavirus pandemic in 2026?
PolymarketWill the US confirm that aliens exist by...?
PolymarketSpurs vs. Timberwolves
PolymarketElon Musk # tweets May 1 - May 8, 2026?
PolymarketManchester City FC vs. Brentford FC
PolymarketRC Strasbourg Alsace vs. Rayo Vallecano de Madrid
PolymarketBrazil Presidential Election
PolymarketWill the Iranian regime fall by May 31?
PolymarketBitcoin above ___ on May 4?
PolymarketElon Musk # tweets May 5 - May 12, 2026?
PolymarketUS Sassuolo Calcio vs. AC Milan
PolymarketVfL Wolfsburg vs. FC Bayern München
PolymarketBitcoin above ___ on May 5?
PolymarketBitcoin above ___ on May 8?
PolymarketArsenal FC vs. Club Atlético de Madrid - More Markets
PolymarketCalifornia Governor Election Winner
PolymarketTrump announces US blockade of Hormuz lifted by...?
PolymarketSeries Winner: Los Angeles L (4) vs Oklahoma City (1)
KalshiWho will be confirmed as Fed Chair?
PolymarketUS x Iran diplomatic meeting by...?
PolymarketIran closes its airspace by...?
PolymarketUS obtains Iranian enriched uranium by...?
PolymarketMLB World Series Champion 2026
PolymarketLargest Company end of June?
PolymarketF1 Constructors' Champion
PolymarketSeries Winner: Minnesota (6) vs San Antonio (2)
KalshiEastern Conference Champion?
KalshiSeries Winner: Philadelphia (7) vs New York (3)
KalshiMyrtle Beach Classic Winner
KalshiToronto vs. Cleveland
Polymarket USWho will be the next governor of California?
KalshiLos Angeles Mayoral Election winner?
KalshiSeries Winner: Detroit vs Orlando
Polymarket USStanley Cup® Champion?
KalshiWestern Conference Champion?
KalshiDemocratic Presidential nominee in 2028?
KalshiWill the U.S. confirm that aliens exist before 2027?
KalshiChampions League Winner
KalshiWhen will traffic at the Strait of Hormuz return to normal?
KalshiRound 2: New York vs Philadelphia
Polymarket USWest Ham vs Arsenal
KalshiSeries Winner: Cleveland (4) vs Detroit (1)
KalshiRound 2: Minnesota vs San Antonio
Polymarket USPGA Championship Winner
KalshiVirginia redistricting referendum margin of victory?
KalshiWho will win Survivor Season 50?
KalshiGame 4: New York at Philadelphia
KalshiWhich party will win the U.S. House in 2026?
KalshiNext US Presidential Election Winner?
KalshiUS gas prices this week
Kalshi2026 Men's World Cup winner?
KalshiRepublican nominee for President in 2028?
KalshiEnglish Premier League Winner?
KalshiFed decision in Jun 2026?
KalshiRound 2: Anaheim Ducks vs Vegas Golden Knights
Polymarket USCarolina Hurricanes vs. Philadelphia Flyers
Polymarket USTruist Championship: Top 20 Finishers
KalshiPro Baseball Champion
KalshiPhiladelphia vs. New York
Polymarket USColorado Rockies vs. Philadelphia Phillies
Polymarket USWhat will Trump say this week?
KalshiRound 2: Cleveland vs Detroit
Polymarket USRound 2: Minnesota vs San Antonio
Polymarket USLos Angeles L vs. Oklahoma City
Polymarket USWho will win in the upcoming cricket event Chennai Super Kings vs Lucknow Super Giants scheduled for 2026-05-10 10:00:00+00?
Polymarket USPhiladelphia Flyers vs. Carolina Hurricanes
Polymarket USSeattle Mariners vs. Chicago White Sox
Polymarket USCincinnati Reds vs. Chicago Cubs
Polymarket USLos Angeles Dodgers vs. Houston Astros
Polymarket USJasmine Paolini vs. Elise Mertens
Polymarket USRound 2: New York vs Philadelphia
Polymarket USRound 2: Buffalo Sabres vs Montreal Canadiens
Polymarket USLos Angeles Dodgers vs. Houston Astros
Polymarket USCincinnati Reds vs. Chicago Cubs
Polymarket USViktoria Morvayova vs. Yexin Ma
Polymarket USSpread: Toronto (+8.5)
Polymarket USDetroit Tigers vs. Kansas City Royals
Polymarket USMinnesota vs. San Antonio
Polymarket USRound 2: Colorado Avalanche vs Minnesota Wild
Polymarket USChicago Cubs vs. Texas Rangers
Polymarket USSpread: Los Angeles L (+14.5)
Polymarket USCleveland Guardians vs. Kansas City Royals
Polymarket USSan Antonio vs. Minnesota
Polymarket USMinnesota Wild vs. Colorado Avalanche
Polymarket USPhiladelphia Flyers vs. Carolina Hurricanes: O/U 3.5
Polymarket USTruist Championship Champion: Alex Fitzpatrick
Polymarket USWill Trump be photographed every day this week? (5/3-5/9)
KalshiRound 2: Anaheim Ducks vs Vegas Golden Knights
Polymarket USTruist Championship Champion: Cameron Young
Polymarket USRound 2: Buffalo Sabres vs Montreal Canadiens
Polymarket USRound 2: Carolina Hurricanes vs Philadelphia Flyers
Polymarket USLos Angeles L vs. Oklahoma City
Polymarket USLos Angeles L vs. Oklahoma City: O/U 213.5
Polymarket USToronto vs. Cleveland: O/U 210.5
Polymarket USJacob Fearnley vs. Giovanni Mpetshi Perricard
Polymarket USOklahoma City vs. Los Angeles L
Polymarket USMilwaukee Brewers vs. St. Louis Cardinals
Polymarket USUCL Final Qualifiers
KalshiRound 2: Cleveland vs Detroit
Polymarket USSan Antonio vs. Minnesota
Polymarket USRound 2: Colorado Avalanche vs Minnesota Wild
Polymarket USOklahoma City vs. Los Angeles L
Polymarket USMike Tyson vs Floyd Mayweather
KalshiTruist Championship Champion: Rory McIlroy
Polymarket USTrump's approval rating on May 8, 2026?
KalshiHow many people will Trump endorse on Truth Social this week? (5/3-5/9)
KalshiLotte Giants vs KT Wiz
KalshiTruist Championship Champion: Kristoffer Reitan
Polymarket USONEflight Myrtle Beach Classic Champion: Aaron Rai
Polymarket USTruist Championship Champion: Justin Thomas
Polymarket USTruist Championship Champion: Si Woo Kim
Polymarket USONEflight Myrtle Beach Classic Champion: Brooks Koepka
Polymarket USTruist Championship Champion: Sung-Jae Im
Polymarket USTruist Championship Champion: Tommy Fleetwood
Polymarket USONEflight Myrtle Beach Classic Champion: Mark Hubbard
Polymarket USTruist Championship Champion: Ludvig Aberg
Polymarket USONEflight Myrtle Beach Classic Champion: Christiaan Bezuidenhout
Polymarket USTop AI model this week
KalshiTruist Championship Champion: Xander Schauffele
Polymarket USONEflight Myrtle Beach Classic Champion: Mac Meissner
Polymarket USGREENGREEN: First Week Album Equivalent Units
KalshiSunrisers Hyderabad vs Kolkata Knight Riders
KalshiTrump late night post this week? (5/3-5/9)
KalshiSunrisers Hyderabad vs Kolkata Knight Riders
KalshiDelhi Capitals vs Chennai Super Kings
KalshiGeneric Ballot: Democrats Up/Down (5/1-5/8)?
KalshiTop Coding AI this week
KalshiCHOOM: Pure Album Sales (May 01–May 07, 2026)
KalshiUS new home sales for March 2026
KalshiChunichi Dragons vs Hiroshima Toyo Carp
KalshiCombo
KalshiNew York M vs Colorado
KalshiCombo
KalshiCombo
KalshiCombo
KalshiCombo
KalshiAtlanta vs Colorado
KalshiCombo
KalshiCombo
KalshiCombo
KalshiGREENGREEN: Pure Album Sales (May 01–May 07, 2026)
KalshiCHOOM: First Week Album Equivalent Units
Kalshi2026 FIFA World Cup Winner
PolymarketUS x Iran ceasefire extended by...?
PolymarketFed decision in April?
PolymarketUS x Iran ceasefire by...?
PolymarketDemocratic Presidential Nominee 2028
PolymarketIsrael x Hezbollah ceasefire by...?
Polymarket2026 NBA Champion
PolymarketRepublican Presidential Nominee 2028
PolymarketEurovision Winner 2026
PolymarketPresidential Election Winner 2028
PolymarketHungary Parliamentary Election Winner
PolymarketF1 Drivers' Champion
PolymarketWhat price will Bitcoin hit in April?
PolymarketIran x Israel/US conflict ends by...?
PolymarketNext Prime Minister of Hungary
PolymarketUS x Iran permanent peace deal by...?
PolymarketPeru Presidential Election Winner
PolymarketWill the Iranian regime fall by April 30?
PolymarketNext French Presidential Election
PolymarketWhat will WTI Crude Oil (WTI) hit in April 2026?
PolymarketPro Basketball Champion?
KalshiWho will be confirmed as Fed Chair?
PolymarketQatarEnergy announces/resumes LNG production in Qatar by April 30?
PolymarketTamil Nadu Legislative Assembly Election Winner
Polymarket2026 Men's French Open Winner
PolymarketBrazil Presidential Election
PolymarketWill the U.S. invade Iran before 2027?
Polymarket2026 Seoul Mayoral Election Winner
PolymarketWill the Iranian regime fall by May 31?
PolymarketTrump out as President by April 30?
PolymarketColombia Chamber of Representatives Election: 3rd Place
PolymarketFed Decision in June?
PolymarketWhen will Bitcoin hit $150k?
PolymarketWho will be the next governor of California?
KalshiUFC 328: Sean Strickland vs. Khamzat Chimaev (Middleweight, Main Card)
PolymarketClub Atlético de Madrid vs. Arsenal FC
PolymarketLargest Company end of April?
PolymarketNFL Champion 2027
PolymarketLiverpool FC vs. Paris Saint-Germain FC
PolymarketWhich company has the best AI model end of April?
PolymarketStrait of Hormuz traffic returns to normal by May 15?
PolymarketLakers vs. Rockets
PolymarketMagic vs. Pistons
PolymarketCalifornia Governor Election Winner
PolymarketWill China invade Taiwan by end of 2026?
PolymarketLakers vs. Thunder
PolymarketTrump announces end of military operations against Iran by ...?
PolymarketWhat will WTI Crude Oil (WTI) hit in May 2026?
PolymarketStrait of Hormuz traffic returns to normal by end of May?
PolymarketWhat price will Bitcoin hit in May?
PolymarketWarriors vs. Suns
PolymarketChelsea FC vs. Nottingham Forest FC
PolymarketWhat price will Ethereum hit in April?
PolymarketElon Musk # tweets April 7 - April 14, 2026?
PolymarketFC Bayern München vs. Real Madrid CF
PolymarketWill the US confirm that aliens exist by...?
PolymarketWill the Iranian regime fall by June 30?
Polymarket76ers vs. Celtics
PolymarketRaptors vs. Cavaliers
PolymarketUS obtains Iranian enriched uranium by...?
PolymarketMLB World Series Champion 2026
PolymarketColombia Presidential Election
PolymarketEastern Conference Champion?
KalshiTruist Championship Winner
KalshiStanley Cup® Champion?
KalshiDemocratic Presidential nominee in 2028?
KalshiWestern Conference Champion?
KalshiWhen will traffic at the Strait of Hormuz return to normal?
KalshiSeries Winner: Los Angeles L (4) vs Oklahoma City (1)
KalshiMVP Winner?
KalshiVirginia redistricting referendum margin of victory?
KalshiSeries Winner: Minnesota (6) vs San Antonio (2)
KalshiChampions League Winner
KalshiWho will win Survivor Season 50?
KalshiPhiladelphia vs. Boston
Polymarket US2026 Men's World Cup winner?
KalshiWill the U.S. confirm that aliens exist before 2027?
KalshiRepublican nominee for President in 2028?
KalshiLos Angeles Mayoral Election winner?
KalshiSeries Winner: Philadelphia (7) vs New York (3)
KalshiPGA Championship Winner
KalshiMyrtle Beach Classic Winner
KalshiIPL Champion
KalshiNext US Presidential Election Winner?
KalshiPro Baseball Champion
KalshiNew US-Iran nuclear deal in 2026?
KalshiToronto vs. Cleveland
Polymarket USWho will be confirmed as Fed chair?
KalshiSeries Winner: Detroit vs Orlando
Polymarket USWho will win the next Peruvian presidential election?
KalshiEnglish Premier League Winner?
KalshiWhich party will win the U.S. House in 2026?
KalshiFed decision in Jun 2026?
KalshiHouston vs. Los Angeles L
Polymarket USDenver vs. Minnesota
Polymarket USWhat will Trump say during his remarks at Turning Point USA?
KalshiRound 2: New York vs Philadelphia
Polymarket USWill Trump be photographed every day this week? (4/26-5/2)
KalshiBoston vs. Philadelphia
Polymarket USWho will have a #1 song on Spotify USA in April?
KalshiRound 2: Minnesota vs San Antonio
Polymarket USHow many Gold Cards will Trump issue before May?
KalshiToronto vs. Cleveland
Polymarket USMiami vs. Charlotte
Polymarket USPhiladelphia Phillies vs. Miami Marlins
Polymarket USCleveland vs. Toronto
Polymarket USDenver vs. San Antonio
Polymarket USMike Tyson vs Floyd Mayweather
KalshiUCL Semifinals Qualifiers
KalshiHouston vs. Los Angeles L
Polymarket USWhat will Trump say this week?
KalshiPortland vs. San Antonio
Polymarket USRound 2: Anaheim Ducks vs Vegas Golden Knights
Polymarket USCarolina Hurricanes vs. Philadelphia Flyers
Polymarket USWhat will Trump say this week?
KalshiPhiladelphia vs. New York
Polymarket USLos Angeles Dodgers vs. Colorado Rockies
Polymarket USHow many times will Trump visit Mar-a-Lago in Apr 2026?
KalshiTop AI model in April?
KalshiColorado Rockies vs. Philadelphia Phillies
Polymarket USCharlotte vs. Orlando
Polymarket USPhiladelphia Phillies vs. Atlanta Braves
Polymarket USWhat will Trump say this week?
KalshiRound 2: Cleveland vs Detroit
Polymarket USAthletics vs. Texas Rangers
Polymarket USWhat will Trump say during his dinner with the Netherlands King & Queen?
KalshiBoston Red Sox vs. St. Louis Cardinals
Polymarket USPIT Penguins vs. PHI Flyers
Polymarket USNew York Yankees vs. Texas Rangers
Polymarket USRound 2: Minnesota vs San Antonio
Polymarket USLos Angeles L vs. Oklahoma City
Polymarket USToronto Blue Jays vs. Minnesota Twins
Polymarket USWho will win in the upcoming cricket event Chennai Super Kings vs Lucknow Super Giants scheduled for 2026-05-10 10:00:00+00?
Polymarket USPhiladelphia Flyers vs. Carolina Hurricanes
Polymarket USLos Angeles Angels vs. Kansas City Royals
Polymarket USMiami Marlins vs. Atlanta Braves
Polymarket USWhat will Trump say this week?
KalshiWhat will Trump say this month?
KalshiDAL Stars vs. MIN Wild
Polymarket USUCL Final Qualifiers
Kalshi"Mother Mary" Rotten Tomatoes score?
KalshiRound 2: New York vs Philadelphia
Polymarket USRound 2: Buffalo Sabres vs Montreal Canadiens
Polymarket USWhich DHS components will receive more funding before May?
KalshiWill Trump be photographed every day this week? (4/19-4/25)
KalshiWhen will FISA be reauthorized again?
KalshiWho will have a #1 song on Spotify Global in April?
KalshiRound 2: Colorado Avalanche vs Minnesota Wild
Polymarket USNumber of tornadoes in Apr 2026?
KalshiWhat will Jeff Probst say during Survivor Ep 9?
KalshiTruist Championship Champion: Alex Fitzpatrick
Polymarket USWill Trump be photographed every day this week? (5/3-5/9)
KalshiRound 2: Anaheim Ducks vs Vegas Golden Knights
Polymarket USTruist Championship Champion: Cameron Young
Polymarket USRound 2: Buffalo Sabres vs Montreal Canadiens
Polymarket USRound 2: Carolina Hurricanes vs Philadelphia Flyers
Polymarket USWill Mike Tyson and Floyd Mayweather fight before May?
KalshiWhich Senators will vote to advance the SAVE America Act?
KalshiTrump's approval rating on Apr 24, 2026?
KalshiWhat will Jeff Probst say during Survivor Ep 8?
KalshiRound 2: Cleveland vs Detroit
Polymarket USTop AI model this week
KalshiTrump late night post this week? (4/19-4/25)
KalshiSan Antonio vs. Minnesota
Polymarket USRound 2: Colorado Avalanche vs Minnesota Wild
Polymarket USWhat will Candace Owens say during her livestream?
KalshiOklahoma City vs. Los Angeles L
Polymarket USTruist Championship Champion: Rory McIlroy
Polymarket USTruist Championship Champion: Kristoffer Reitan
Polymarket USONEflight Myrtle Beach Classic Champion: Aaron Rai
Polymarket USTruist Championship Champion: Justin Thomas
Polymarket USTruist Championship Champion: Si Woo Kim
Polymarket USONEflight Myrtle Beach Classic Champion: Brooks Koepka
Polymarket USTruist Championship Champion: Sung-Jae Im
Polymarket USTruist Championship Champion: Tommy Fleetwood
Polymarket USONEflight Myrtle Beach Classic Champion: Mark Hubbard
Polymarket USTruist Championship Champion: Ludvig Aberg
Polymarket USONEflight Myrtle Beach Classic Champion: Christiaan Bezuidenhout
Polymarket USTruist Championship Champion: Xander Schauffele
Polymarket USONEflight Myrtle Beach Classic Champion: Mac Meissner
Polymarket USHow we collect data
DeFi Rate pulls prediction market data directly from platform APIs on a rolling basis. Kalshi data is sourced from the Kalshi REST API, which provides market-level contract data including volume, open interest, resolution status, and native category classifications. Polymarket data is sourced from the Polymarket GraphQL API, which exposes market-level trading activity, liquidity, and outcome probabilities across its decentralized order book. We also support ForecastX, Gemini and Polymarket US, though the data provided is limited in scope compared to Kalshi and Polymarket (international)
Data is fetched at 30-minute intervals, cleaned and stored on our end. All figures reflect each platform’s public API at the time of the most recent refresh.
Volume methodology
All volume figures are calculated on a rolling window basis, not calendar periods. A 24-hour rolling window captures all trades recorded in the 24 hours preceding each data pull. A 7-day window covers the trailing 7 days; a 30-day window covers the trailing 30 days. Figures update continuously and will differ from calendar-period totals (e.g., “volume this month”) published elsewhere.
Volume is denominated in USD. Kalshi reports native USD figures. Polymarket volume is denominated in USDC and converted to USD at a 1:1 rate, consistent with USDC’s peg.
Category taxonomy
Kalshi categories reflect the platform’s native classification system as returned by the Kalshi API. Polymarket does not enforce a rigid native taxonomy; categories displayed for Polymarket markets are assigned by DeFi Rate using a standardized classification schema mapped against market title and tag data. The schema assigns each market to one of the following categories: Politics, Sports, Crypto, Economics, Finance, Tech, Culture, Weather, Misc, and World. Markets carrying Polymarket’s native “mentions” tag are classified separately as Mentions. Category assignments are reviewed periodically and updated when platform tagging changes.
Leading outcome
The Leading column in the Top Markets table displays the current frontrunner for each market. For binary markets, this is the outcome trading above 50% implied probability. For multi-outcome markets, it is the outcome with the highest current implied probability. The probability figure shown reflects the last traded price for that contract. “Outcome” in place of a probability indicates the market has resolved and the displayed entry is the confirmed result.
Status definitions
Active markets are open for trading at the time of the data pull. Closed markets have passed their end date or been resolved by the platform. DeFi Rate does not distinguish between platform-level “expired” and “settled” statuses in the display layer; both appear as Closed.
Polymarket US top 30 markets
The Polymarket US Top 30 tab filters to markets accessible to US-based traders under Polymarket’s geofenced access rules. Polymarket restricts certain political and financial markets from US IP addresses; this view reflects the subset of the Polymarket top 30 reachable from a US connection at the time of the data pull. Availability is determined by Polymarket’s own access-control layer and may change without notice.
Change percentage
The change figure displayed alongside each volume metric is the percentage difference between the current rolling window and the equivalent prior period. For a 30-day reading, the comparison window is days 31–60 immediately preceding the current window. A positive value indicates higher volume in the most recent window; a negative value indicates lower volume. Change figures apply at the platform level, category level, and individual market level depending on context.
Market count figure
The Markets figure in the Category Breakdown table reflects the total number of discrete contracts within each category, not the number of parent events. On Kalshi, a single event (e.g., “NBA Champion 2026”) may contain multiple contracts — one per team — and each is counted separately. On Polymarket, each market URL corresponds to a single binary outcome and is counted as one market. Kalshi market counts are therefore not directly comparable to Polymarket market counts at the category level, though this is often used in the media.
Open interest
Open interest reflects the total value of unsettled contracts currently held by traders on a given market. It is pulled directly from each platform’s API and represents outstanding exposure at the time of the data pull, not cumulative traded volume. A dash (—) in the Open Int. column indicates the field was not returned in the API response for that market.
