Books

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Price history

Duke spread (1st Quarter)

Boston College Eagles at Duke Blue Devils, Sat, Oct 31, 12:00 PM ET. Every change to each book's main line and price, newest first.

Shortening Drifting
Time (ET)
Wed 5:08 PM-0.5-116
Wed 2:21 PM-2.5-127
Wed 2:08 PM-1.5-105
Wed 1:54 PM-1.5-110
Wed 1:40 PM-0.5-115
Wed 1:21 PM+10.5-9900
Wed 1:11 PM+7.5-4900
Wed 12:52 PM-1.5-108
Wed 12:41 PM+10.5-9900
24 hours ago-0.5-110-1.5-102-0.5-110-0.5-110-0.5-111-0.5-105–

Each book's main line: its most even spread; period lines from 25 October 2026. Shaded blue when the market moved toward this selection (a shorter price, or a line that asks more of it), orange when it moved away; a book's first price isn't shaded. Kalshi reprices by a cent at a time, so a Kalshi change shows only once it's a point of implied chance or a line away from the last one shown; its prices include our estimate of Kalshi's fee. We check each book every 10 minutes near the game, less often further out. Started games show prices up to the start.

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