Someone just bet $42,513 on "Will Jannik Sinner win the ATP Rome?" — the second-largest single trade in a 46-minute window that has seen overwhelming YES-side conviction. 49,434 YES contracts at 86¢ each, totaling $42,513. The book absorbed the position cleanly, with price holding flat at 86¢ and zero slippage across the session. The market currently sits at 86¢ bid/ask, implying an ~86% probability that Sinner takes the Rome title.
📊 Last 200 trades: 200 trades over 46 minutes (10:09 AM to 10:55 AM ET), YES volume leads $271,949 to $278, price holding near 86¢. One $68,800 YES trade (80,000 contracts) accounts for 25% of the flow.
📊 Last 927 trades: 927 trades over 11.9 hours (11:00 PM to 10:55 AM ET), YES volume leads $454,521 to $1,557, 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.