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NBA price comparison shows mixed fee-adjusted results across prediction venues

PredictionMarketPicks compared 11 NBA games for November 5 and 6 on the evening of November 4, pricing each side after taker fees. Five sides were the same price on both venues, and the Lakers in Portland were 59.71 cents all-in on Kalshi against 62.65 cents on Polymarket US.

An NBA pricing comparison found no consistent cost leader between Polymarket US and Kalshi. According to PredictionMarketPicks, Polymarket US was cheaper on 9 of 22 sides after taker fees, while Kalshi offered the lower price on 8.

How the prices compared

The comparison covered 11 NBA games scheduled for November 5 and 6, using prices observed on the evening of November 4. PredictionMarketPicks published its findings on Nov 4, 2026 at 10:45 PM ET.

Five sides had identical prices across the two venues after taker fees. The results therefore split between a narrow lead for Polymarket US in the number of cheaper sides, lower prices elsewhere on Kalshi, and several ties.

Lakers produced the largest difference

The widest reported gap was 3 cents for the Lakers in Portland. That side cost 59.71 cents all-in on Kalshi, compared with 62.65 cents on Polymarket US, according to PredictionMarketPicks.

The findings describe a fee-adjusted snapshot rather than a uniform pricing advantage for either platform. The largest difference favored Kalshi, even though Polymarket US had more lower-priced sides overall.

What it means for prediction markets

  • Fees matter to comparisons: The figures include taker fees, making them a comparison of all-in prices rather than displayed prices alone.
  • Venue differences were side-specific: Neither platform was cheaper across all 22 sides; five were tied.
  • Timing defines the scope: These observations were taken on the evening of November 4 for November 5 and 6 games, not across a longer trading period.
KalshiPolymarketInfiniti MarketsInfiniti Signals

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