Will Boston win 4-1 in the Philadelphia vs Boston 1st Round series in the 2026 Pro Basketball playoffs?
Prediction markets currently give a 60% probability that Will Boston win 4-1 in the Philadelphia vs Boston 1st Round series in the 2026 Pro Basketball playoffs?. This contract trades at 60¢ on Kalshi, closing May 17, 2026. The 33¢ price reflects a 33% probability of Boston winning 4-1, but the extraordinarily high implied yield of 2,775% on the Yes side suggests severe mispricing or illiquidity-driven distortion given the thin $3,433 open interest and modest $1,740 daily volume.
Analysis
The 33¢ price reflects a 33% probability of Boston winning 4-1, but the extraordinarily high implied yield of 2,775% on the Yes side suggests severe mispricing or illiquidity-driven distortion given the thin $3,433 open interest and modest $1,740 daily volume. The price has climbed 6¢ over seven days in a neutral regime with low information arrival (0.4/hour), indicating this may be a speculative positioning rather than fundamental repricing, though the 2¢ spread and 29-day expiry provide reasonable execution conditions for contrarian traders. The 2.24 volatility ratio and 1,460% realized volatility indicate this market exhibits outsized price swings typical of low-liquidity niche sports betting contracts.
Resolution rules
If the series score is Boston wins 4-1 in the Philadelphia vs Boston 1st Round series in the 2026 Pro Basketball playoffs, then the market resolves to Yes.
Indicators
Regime
Trade
sf trade KXNBASERIESSCORE-26PHIBOSR1-BOS41 yes 100