![Prediction market illustration for [Whale Watch] $26K NO on UConn Men's Basketball Championship at 87c (10:22:14 AM ET)](https://news2bet.com/wp-content/uploads/2026/03/uconn-championship-kalshi-no-bet-ncaab-market-768x419.jpg "[Whale Watch] $26K NO on UConn Men's Basketball Championship at 87c (10:22:14 AM ET)")
[Whale Watch] $26K NO on UConn Men’s Basketball Championship at 87c (10:22:14 AM ET)
UConn’s championship odds sit at 13% after a $26,100 NO bet — 30,000 contracts at 87c — hits Kalshi’s Men’s Basketball market.
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[Whale Watch] $26K YES on Gauff vs Muchova (Gauff) at 53c (9:48:03 AM ET)
Gauff vs Muchova semifinal market sees $26,500 YES whale at 53c, with 200-trade flow running nearly 100% YES over 8 hours.
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[Whale Watch] $129K NO on Will Arkansas Win the College Basketball National Championship? at 99c (10:24:15 PM ET)
Arkansas NCAA title market sits at 1c YES after a $128,784 NO trade pushes 200-trade session volume to $203,349 on the NO side.
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[Whale Watch] $12K YES on 2-Leg Parlay: Arkansas at Arizona Winner?, Illinois at Houston Winner? at 49c (10:12:57 PM ET)
Two-leg college basketball parlay market absorbed a $12K YES bet at 49c with no slippage, now last trading at 52c.
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[Whale Watch] $25K YES on Arkansas at Arizona Winner at 78c (10:09:15 PM ET)
Arkansas at Arizona Winner market sits at 78c after a $25,073 YES bet on Arizona across 32,145 contracts at 10:09 PM ET.
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[Whale Watch] $42K YES on Illinois at Houston Winner at 41c (1:21:33 PM ET)
Illinois at Houston Winner market sees $42K YES whale at 41c, with YES volume dominating at 93% across 200 trades.
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[Whale Watch] $35K NO on Will St. John’s Win the College Basketball National Championship? at 98c (12:48:17 PM ET)
St. John’s championship market on Kalshi saw a $34,757 NO trade — 35,466 contracts at 98c — with zero price impact, holding at 3c YES.
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[Whale Watch] $322K NO on Will Arkansas Win the College Basketball National Championship? at 98c (11:00:47 AM ET)
Arkansas’s national championship market absorbed a $322K NO trade at 98c with zero price movement, holding Arkansas at 2% implied odds.
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[Whale Watch] $26K NO on Will Arizona Win the College Basketball National Championship? at 80c (5:52:37 PM ET)
Arizona’s national championship market absorbed $26K in NO action at 80c, with NO volume commanding 88% of $52,800 in total trade flow over 1.2 hours.
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[Whale Watch] $18K YES on 2-Leg Parlay: Houston at Chicago Winner?, Los Angeles L at Detroit Winner? at 43c (12:58:37 PM ET)
A $18K YES bet hit the Houston/LA Lakers parlay market at 43c, with YES volume dominating at $21,030 vs. $263 NO across 12 trades.
![Prediction market illustration for [Whale Watch] $26K YES on Gauff vs Muchova (Gauff) at 53c (9:48:03 AM ET)](https://news2bet.com/wp-content/uploads/2026/03/coco-gauff-muchova-semifinal-kalshi-prediction-market-768x419.jpg "[Whale Watch] $26K YES on Gauff vs Muchova (Gauff) at 53c (9:48:03 AM ET)")
![Prediction market illustration for [Whale Watch] $129K NO on Will Arkansas Win the College Basketball National Championship? at 99c (10:24:15 PM ET)](https://news2bet.com/wp-content/uploads/2026/03/arkansas-ncaa-championship-kalshi-no-bet-march-madness-768x419.jpg "[Whale Watch] $129K NO on Will Arkansas Win the College Basketball National Championship? at 99c (10:24:15 PM ET)")
![Prediction market illustration for [Whale Watch] $12K YES on 2-Leg Parlay: Arkansas at Arizona Winner?, Illinois at Houston Winner? at 49c (10:12:57 PM ET)](https://news2bet.com/wp-content/uploads/2026/03/arkansas-arizona-illinois-houston-parlay-kalshi-market-768x419.jpg "[Whale Watch] $12K YES on 2-Leg Parlay: Arkansas at Arizona Winner?, Illinois at Houston Winner? at 49c (10:12:57 PM ET)")
![Prediction market illustration for [Whale Watch] $25K YES on Arkansas at Arizona Winner at 78c (10:09:15 PM ET)](https://news2bet.com/wp-content/uploads/2026/03/arizona-arkansas-kalshi-prediction-market-odds-768x419.jpg "[Whale Watch] $25K YES on Arkansas at Arizona Winner at 78c (10:09:15 PM ET)")
![Prediction market illustration for [Whale Watch] $42K YES on Illinois at Houston Winner at 41c (1:21:33 PM ET)](https://news2bet.com/wp-content/uploads/2026/03/illinois-houston-kalshi-prediction-market-ncaab-768x419.jpg "[Whale Watch] $42K YES on Illinois at Houston Winner at 41c (1:21:33 PM ET)")
![Prediction market illustration for [Whale Watch] $35K NO on Will St. John's Win the College Basketball National Championship? at 98c (12:48:17 PM ET)](https://news2bet.com/wp-content/uploads/2026/03/st-johns-championship-kalshi-no-bet-ncaab-768x419.jpg "[Whale Watch] $35K NO on Will St. John's Win the College Basketball National Championship? at 98c (12:48:17 PM ET)")
![Prediction market illustration for [Whale Watch] $322K NO on Will Arkansas Win the College Basketball National Championship? at 98c (11:00:47 AM ET)](https://news2bet.com/wp-content/uploads/2026/03/arkansas-ncaa-championship-kalshi-no-trade-768x419.jpg "[Whale Watch] $322K NO on Will Arkansas Win the College Basketball National Championship? at 98c (11:00:47 AM ET)")
![Prediction market illustration for [Whale Watch] $26K NO on Will Arizona Win the College Basketball National Championship? at 80c (5:52:37 PM ET)](https://news2bet.com/wp-content/uploads/2026/03/arizona-ncaa-championship-kalshi-no-bet-march-madness-768x419.jpg "[Whale Watch] $26K NO on Will Arizona Win the College Basketball National Championship? at 80c (5:52:37 PM ET)")
![Prediction market illustration for [Whale Watch] $18K YES on 2-Leg Parlay: Houston at Chicago Winner?, Los Angeles L at Detroit Winner? at 43c (12:58:37 PM ET)](https://news2bet.com/wp-content/uploads/2026/03/kalshi-parlay-houston-lakers-detroit-yes-whale-768x419.jpg "[Whale Watch] $18K YES on 2-Leg Parlay: Houston at Chicago Winner?, Los Angeles L at Detroit Winner? at 43c (12:58:37 PM ET)")