Brewers @ Diamondbacks
Pricing the Brewers side — Kalshi contract vs. the devigged sportsbook consensus.
Kalshi ask
56¢
Fair line
59.3¢
Edge
+3.3¢
Book by book
9 books · Brewers to winEach bar = that book's price with the vig removed · median across books = the fair line
What an edge is worth
worked example · Brewers · Brewers @ DiamondbacksKalshi asks 56¢ for a contract the devigged consensus prices at 59.3¢. Pick a position size:
Position
446 contracts
If it hits / if it misses
+$190 / −$250
Expected value per trade
+$8
That's the honest shape of edge trading: no single bet is a lottery ticket — a repeatable few-percent advantage, compounded over volume, is the entire game. The terminal's job is finding you that advantage before it closes.
Expected value ≠ guaranteed outcome · fees approximated · variance is real · not betting advice
Brewers is priced at 59.3% to win by the devigged consensus, while the Kalshi YES contract asks 56¢ — a +3.3¢ gap per contract before fees. The venues currently cross far enough that opposite positions at each lock in a profit regardless of outcome. Prices move fast — verify at the venue before trading.