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NPB·Tue 5:00 AM ET

Chiba Lotte Marines vs Saitama Seibu Lions

Saitama Seibu Lions is the current favorite at $0.71 ask on Kalshi and $0.81 ask on Polymarket — an implied ≈76% chance. Prices as of 06:48 UTC on Jul 11, 2026, delayed about five minutes. Source markets: Kalshi · Polymarket. Resolution follows each venue's own market terms.

Curious how long a gap like this stays open? We measured it.

Chiba Lotte Marines

NPB

Tue 5:00 AM ET

Saitama Seibu Lions
40%50%60%70%80%12:16 AM12:39 AM1:02 AM1:24 AM1:47 AM43¢

Moneyline

Chiba Lotte Marines13¢ gap
Kalshi56¢Polymarket43¢
Saitama Seibu Lions10¢ gap
Kalshi71¢Polymarket81¢

Prices delayed about five minutes. Each venue's best ask per outcome; Kalshi asks are derived from its NO bids (ask = $1 minus the bid). Kalshi volume counts contracts, Polymarket volume is in dollars. Real-time prices and the full depth ladder are available via the WebSocket stream with an API key. Feed reference DINO-XKQZ7-9182.