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Jets vs. Patriots: O/U 42.5

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KalshiPolymarket Closes Oct 18, 2026
MarketMaster fair value54¢ vs live 53¢ on Kalshi
1.4% against the midpoint, 0.9% against the 53¢ ask you would actually pay, -0.8% after the 1.74¢ taker fee.
No edge after fees
Trade on Kalshi ↗
LIVE PRICES — YES
KalshiBEST YES PRICETrade ↗
52¢ last
BidAsk
YES52¢53¢
NO47¢48¢
$596 volume
PolymarketTrade ↗
55¢ last
BidAsk
YES51¢52¢
NO48¢49¢
$1,695 volume
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Cross-venue spread 3.0¢· active arbitrage window
30-DAY PRICE HISTORY
HOW THIS RESOLVES

Kalshi — primary rule

If New York J and New England collectively score more than 42.5 points in the New York J vs New England Pro Football game originally scheduled for Oct 18, 2026, then the market resolves to Yes.

Polymarket — resolution criteria

In the upcoming NFL game, scheduled for October 18 at 1:00 PM ET: This market will resolve to "Over" if the Jets and Patriots combine to score 43 or more points in this game. If the combined total is less than 43, this market will resolve to "Under". If the game is postponed, this market will remain open until the game has been completed. If the game is canceled entirely, with no make-up game, this market will resolve 50-50.

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STATS
Cross-venue spread3.0¢
Kalshi last52¢
Polymarket last55¢
Model fair value54¢
Model confidence26%
Venues2
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The same question at a different strike, deadline or outcome — related, not the same contract. Prices are the latest YES.