Knicks Stole Game 1. Game 2 Tonight: What NBA Finals Prediction Markets Say

Prediction market prices as of June 5, 2026. Game 2 tips tonight in San Antonio.

Knicks 53%, Spurs 47%. That's how Kalshi and Polymarket are pricing the 2026 NBA Finals after New York won Game 1 on the road, 105-95. Before the series started, the Spurs were at 64%.

One game moved the series favorite by 17 points.

What One Road Win Does to the Numbers

Before Game 1, the Spurs held a near-consensus 64% probability of winning the Finals on Polymarket — home-court advantage, Wembanyama, the best record in the West. New York was priced at 35.75 cents. An underdog in every market.

The Knicks won by 10.

As of June 4, Polymarket has the Knicks at 53.45 cents and the Spurs at 46.55 — a 17-cent swing on one game. Three Finals contracts across Kalshi and Polymarket are generating $3.6 million in 24-hour volume, making this the most actively traded sporting event in prediction markets right now. Total championship market volume has reached $21.5 million.

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The Historical Gap

Here's the tension in the current pricing.

Teams that steal Game 1 on the road in the NBA Finals go on to win the series at a rate above 70% historically. Prediction markets have the Knicks at 53.45% — well below that baseline. The gap reflects what markets are weighing against historical norms: Wembanyama's upside, the Spurs' home-court advantage, and the likelihood that San Antonio adjusts in Game 2.

Markets are saying: history favors the Knicks, but this Spurs team is a specific exception worth pricing.

Tonight's Prices

Despite leading the series, the Knicks are heavy underdogs in Game 2 specifically — Spurs at 65.5%, Knicks at 34.5% on Polymarket as of this morning. Home teams have historically been strong bounceback favorites after a home loss in the Finals, and San Antonio needs a response.

The divergence is worth understanding. You can simultaneously believe the Knicks are more likely to win the Finals (53%) while believing the Spurs are more likely to win tonight (65.5%). Those positions aren't contradictory — they reflect how home-court advantage operates game-by-game in a best-of-seven series, even after the overall series edge has shifted.

The Wembanyama Variable

The market movement is also a statement about Wembanyama. Pre-series pricing had him as the central factor — a generational talent who shifts the calculus of any series. After New York held San Antonio to 95 points in Game 1, the market is reassessing how much one player can offset a road team playing better basketball.

How Wembanyama performs tonight is the single most-watched variable across all Finals prediction markets. If he dominates and the Spurs even the series at 1-1, expect the championship line to move back toward 50-50 or beyond.

Track live NBA Finals prediction market prices across Kalshi and Polymarket at predictions.io/lobby/nba.

Short Version

Knicks won Game 1 in San Antonio 105-95. Prediction markets on Kalshi and Polymarket shifted from Spurs 64% to Knicks 53% for the Finals. Game 2 tonight has Spurs at 65.5% — markets expect a home response even while pricing New York as the series favorite. $3.6M in 24-hour volume across three Finals contracts, $21.5M total. Live prices on Predictions.io.