linegap

NFL · Sun, Sep 20, 2026

MIA vs SF

MIA to win — YES price

Kalshi

17¢

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Polymarket

17¢

View market
gap +0.5 ptsafter costs -5.0 pts

Price history (MIA YES)

KalshiPolymarket500 snapshots, ~5 min apart

This gap is tighter than usual for a game in 18 days, where the two venues typically sit 1.5 points apart.

Get alerted when a gap is unusual

Polykal watches both venues and judges each gap against what is normal for that point in the schedule. See the numbers.

Prices are the venues' listed YES prices at index time (~5 min cadence) and can be stale by the time you look; executable prices, fees and spreads differ. Impersonal analytics on public data — not investment or betting advice.