Someone just bet $38,699 on "Will Jannik Sinner win the ATP Rome?" — the largest single trade in a 52-minute window that saw strong YES-side dominance. 44,999 YES contracts at 86¢ each, totaling $38,699. The book absorbed the trade with only a 1¢ slip, as price moved from 87¢ to 86¢ across the session. The market currently sits at a last of 86¢, implying approximately an 86% probability of a Sinner victory.
📊 Last 200 trades: 200 trades over 52 minutes (9:45 AM to 10:38 AM ET), YES volume leads $124,920 to $814, price holding near 86¢. One $38,699 YES trade (44,999 contracts) accounts for 31% of the flow.
📊 Last 860 trades: 860 trades over 12.0 hours (10:38 PM to 10:38 AM ET), YES volume leads $308,160 to $1,483, price holding near 86¢.
🐋 About Whale Watch
You do not have to watch Kalshi all day — we do. Prediction News Network tracks every big bet on the Kalshi prediction-market exchange in real time and flags the whales the moment they hit. Each one gets written up below so you can see exactly what was bet, at what price, and whether the market moved.
What counts as a whale? Sports & crypto: $25,000+ · Parlays: $8,000+ · Politics, culture, economy: $5,000+
No takes. No predictions. Just the trade, the data, and the market reaction.
No takes. No predictions. Just the trade, the data, and the market reaction.
This is market commentary, not financial advice. Always verify contract terms and do your own research before placing any trades.