Parlay vs Straights Calculator

Same legs, two strategies. See whether parlaying or straight-betting wins more bankroll long-term — and how the variance compares.

$
%
1 Straight Betreference
-110
Win %55.0%
EV+$13.75
Kelly2.8%$275
Growth+0.103%+$10.33
2 Straight BetsBetter Growth
2 x (-110)
Win % each55.0%
Total EV+$27.12
Bankroll used5.4%$542
Total growth+0.205%+$20.47
2-Leg Parlay
+264
Win %30.3%
EV+$19.86
Kelly1.9%$194
Growth+0.147%+$14.71

Verdict

At 55% per leg, 2 straight bets grow your bankroll 39% faster than the 2-leg parlay. Lower variance lets Kelly size each bet bigger, and the compounding adds up.

Crossover: 2-leg parlays beat 2 straights above ~75% per leg at these odds.

Growth Per Round (2 games)

1 Straight
+0.103%+$10.33
2 Straights
+0.205%+$20.47
2-Leg Parlay
+0.147%+$14.71

About the Parlay vs Straights Calculator

If you have the same set of bets, you can play them as one parlay or as several straight bets. The two strategies have very different EV, very different variance, and very different long-run growth profiles. This calculator runs the math head-to-head.

Spoiler: for +EV legs, straights almost always grow your bankroll faster than the equivalent parlay because parlays compound the book's vig. The exception is correlated bets — but books price most correlation in already.

Frequently asked questions

When does parlaying actually win?
When the legs are correlated and the book hasn't priced the correlation in (rare on major books). Also when you specifically need a longer-shot payout — for example, turning a small stake into a tournament-bid.
Why are straights better for bankroll growth?
Each straight bet compounds your edge linearly. Parlays compound the vig along with your edge, multiplying both. With independent +EV legs, the EV-per-dollar of straights is higher and the variance is lower — both pushing toward faster Kelly-optimal growth.
Should I ever parlay?
Recreationally, sure — it's a low-cost lottery ticket on a slate of plays you like. As a long-term strategy on your full bankroll, no — split the legs into straights or use small parlay-stake percentages.

Other calculators