Teaser Break-Even Calculator
Find the per-leg win rate you need to break even on teaser bets. Enter your teaser details and optionally your estimated win rate to see edge and EV.
Teaser terms
Optional: estimated win rate per leg to see implied edge and EV.
| Legs | Payout (American) | Est. win % / leg |
|---|---|---|
% |
Break-even win %
72.37%
Implied edge
+0.00%
EV per $1 wagered
+$0.0000
Enter your estimated per-leg win rate above to see edge and EV. Without it, edge shows 0% (break-even).
Frequently Asked Questions
What is a teaser bet?
A teaser is a type of parlay where you get to adjust the point spread or total in your favor on every leg. In exchange for better lines, the payout is lower than a standard parlay. The most common format is a 6-point, 2-leg NFL teaser at -110.
How is the break-even win rate calculated?
The break-even win rate is the per-leg win percentage you need so that your parlay probability (win rate raised to the power of the number of legs) equals the inverse of the decimal payout. If P^n = 1/decimal, then P = (1/decimal)^(1/n).
What makes a teaser profitable?
A teaser is profitable when your estimated per-leg win rate exceeds the break-even win rate. The most well-known profitable teaser strategy involves "Wong teasers" — 2-leg 6-point NFL teasers that cross key numbers like 3 and 7.
What does EV per leg mean?
EV (expected value) per leg measures the average profit or loss per $1 wagered on the teaser, based on your estimated win rate. A positive EV means the teaser is expected to be profitable over time.
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