SharpDelta

The prediction-market fair-value screener · Kalshi & Polymarket vs. the de-vigged consensus of 100+ sportsbooks · 4 games · updated Jul 14, 1:15 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)BooksFair AKalshi A / BPolymarket A / BProphetX A / B
National League All Stars vs American League All Stars07/14 8:00 PM11555¢55¢ / 46¢56¢ / 45¢57¢ / 46¢
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)BooksFair AKalshi A / BPolymarket A / BProphetX A / B
Toronto Tempo vs Washington Mystics07/14 7:00 PM14146¢48¢ / 54¢47¢ / 54¢46¢ / 54¢
Chicago Sky vs Seattle Storm07/15 12:00 PM11659¢61¢ / 40¢62¢ / 42¢ /
Minnesota Lynx vs Los Angeles Sparks07/15 1:00 PM11586¢86¢ / 16¢85¢ / 16¢ /
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.
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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