Kelly stake
Optimal stake from your edge and bankroll
Suggested stake€33.83
Edge+6.4%
Full Kelly5.6% of bankroll
Expected value
Long-run profit per bet at a price
Expected value+€3.22
Edge+6.4%
Win probability (fair)49.5%
Arbitrage
Lock a margin by staking both sides
Arb profit+3.73%
Stake A → B€49.40 → €50.60
Locked return€103.73
Vig & fair odds
Strip the bookmaker margin from a 2-way
Bookmaker vig2.61%
Fair A (no-vig)1.96 · 51.0%
Fair B (no-vig)2.04 · 49.0%
Odds converter
Decimal, American, fractional, implied
American
+115
Fractional
23/20
Implied prob
46.5%
Decimal
2.15
Parlay / accumulator
Combine legs into one price
Combined odds
7.39
Payout
€369.58
Profit
€319.58