SharpDelta
The prediction-market fair-value screener · Kalshi & Polymarket vs. the de-vigged consensus of 100+ sportsbooks · 14 games · updated Aug 3, 7:15 PM ET
Positive Sharp Delta right now
No venue is currently selling ≥2.5pts below fair value. Markets are tight right now — that's an honest reading, not a broken screener.
MLB board
| Matchup (A vs B) | Start (ET) | Books | Fair A | Kalshi A / B | Polymarket A / B | ProphetX A / B |
|---|
| Milwaukee Brewers vs Pittsburgh Pirates | 08/03 7:40 PM | 130 | 58¢ | 59¢ / 42¢ | 59¢ / 42¢ | 58¢ / 42¢ |
| Texas Rangers vs San Francisco Giants | 08/03 8:05 PM | 130 | 55¢ | 55¢ / 46¢ | 55¢ / 45¢ | 55¢ / 45¢ |
| Chicago Cubs vs Los Angeles Dodgers | 08/03 8:05 PM | 128 | 46¢ | 47¢ / 55¢ | 46¢ / 54¢ | 47¢ / 54¢ |
| Houston Astros vs Toronto Blue Jays | 08/03 8:10 PM | 130 | 56¢ | 56¢ / 45¢ | 56¢ / 45¢ | 57¢ / 44¢ |
| Colorado Rockies vs Tampa Bay Rays | 08/03 8:40 PM | 132 | 38¢ | 38¢ / 63¢ | 37¢ / 63¢ | 38¢ / 63¢ |
| Arizona Diamondbacks vs San Diego Padres | 08/03 9:40 PM | 132 | 51¢ | 52¢ / 49¢ | 51¢ / 49¢ | – / – |
| Baltimore Orioles vs Los Angeles Angels | 08/04 6:35 PM | 9 | 55¢ | 57¢ / 44¢ | 57¢ / 43¢ | – / – |
| Philadelphia Phillies vs Washington Nationals | 08/04 6:40 PM | 101 | 66¢ | 68¢ / 33¢ | 68¢ / 32¢ | – / – |
| Cincinnati Reds vs Athletics | 08/04 6:40 PM | 92 | 56¢ | 57¢ / 43¢ | 57¢ / 43¢ | – / – |
| Cleveland Guardians vs New York Mets | 08/04 6:40 PM | 91 | 56¢ | 57¢ / 44¢ | 56¢ / 45¢ | – / – |
| New York Yankees vs St. Louis Cardinals | 08/04 7:05 PM | 7 | 60¢ | 60¢ / 40¢ | 60¢ / 40¢ | – / – |
| Boston Red Sox vs Chicago White Sox | 08/04 7:10 PM | 35 | 54¢ | 54¢ / 47¢ | 54¢ / 46¢ | – / – |
| Atlanta Braves vs Miami Marlins | 08/04 7:15 PM | 34 | 55¢ | 56¢ / 45¢ | 55¢ / 45¢ | – / – |
Prices are what each side costs right now, in cents per $1 contract, in matchup order (A / B). A venue's two sides usually sum above 100¢ — that's its spread, the equivalent of vig. A positive Sharp Delta is a side selling below fair value despite the spread.
WNBA board
| Matchup (A vs B) | Start (ET) | Books | Fair A | Kalshi A / B | Polymarket A / B | ProphetX A / B |
|---|
| Chicago Sky vs Phoenix Mercury | 08/03 9:00 PM | 163 | 47¢ | 45¢ / 55¢ | 46¢ / 55¢ | 46¢ / 55¢ |
Prices are what each side costs right now, in cents per $1 contract, in matchup order (A / B). A venue's two sides usually sum above 100¢ — that's its spread, the equivalent of vig. A positive Sharp Delta is a side selling below fair value despite the spread.
2 venue quote(s) withheld this run: they disagreed with a 20+ book consensus by more than 15 points, which indicates a data fault rather than an opportunity.
What is Sharp Delta? Sharp Delta = the gap between a venue's ask price (Kalshi, Polymarket) and the de-vigged consensus of 100+ sportsbooks. Positive Sharp Delta means the venue is selling below fair value. Fair value = median de-vigged win probability across every sportsbook in the feed (prediction venues excluded from the consensus). Ask = the implied probability you would pay at that venue right now. Not betting advice; prices move.
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