Expected Value Calculator
Expected Value (EV) Demonstration Calculator
Deconstruct discrete wagering expectation using real-time probability and multiplier inputs.
Model Presets:
48%
0% 50% 100%
2.0x
1.0x 5.0x 10.0x
$10.00
$
Min: $1 Max: $10,000
Mathematical Expectation Breakdown
Formula: EV = (P(Win) * Payout * Bet) - ((1 - P(Win)) * Bet) Expected Value (per round)
-$0.40
Unit expectation
Expected Value (100 rounds)
-$40.00
Law of Large Numbers
Theoretical Edge / ROI
-4.00%
Normalized Return
Real-Time Component Comparison: Stake vs Expectation
Bet Stake Expected Gain Expected Loss Net EV
This tool treats the payout multiplier as net profit on a winning stake. Its EV uses your entered probability and does not establish an edge. Subtract 1 from decimal sportsbook odds to obtain the net profit multiplier before comparing.
Compare sportsbooks
Partner links
1win Sportsbook: compare the quoted price and exact market rules
What to check first → Visit 1win 18+ · Terms on site
Stake Sportsbook: compare sports markets and settlement rules
What to check first → Visit Stake 18+ · Terms on siteCheck the exact market, settlement rules and availability in your country. Offers depend on your country and account; current terms are on the operator’s site. A model result does not establish a betting edge.