Astros @ Rangers
Pricing the Astros side — Kalshi contract vs. the devigged sportsbook consensus.
Kalshi ask
55¢
Fair line
57.8¢
Edge
+2.8¢
What an edge is worth
worked example · Astros · Astros @ RangersKalshi asks 55¢ for a contract the devigged consensus prices at 57.8¢. Pick a position size:
Position
454 contracts
If it hits / if it misses
+$197 / −$250
Expected value per trade
+$6
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
Astros is priced at 57.8% to win by the devigged consensus, while the Kalshi YES contract asks 55¢ — a +2.8¢ gap per contract before fees. Prices move fast — verify at the venue before trading.