Onestrolet Research  ·  Updated May 2026  ·  92 Casinos Ranked  ·  Zero Affiliate Links

Research Tools

Strategy & Research Tools

Ten data-driven tools for making informed crypto casino decisions. Bonus EV, wagering timer, crash probability, Kelly sizing, bankroll risk-of-ruin, crypto deposit fee comparator, free spin value, VIP rakeback, house edge reference, and a 10-point scam checker.

Bonus EV Calculator

Real expected value of any casino bonus

Most casino bonuses have negative expected value. This calculator shows you the real math before you accept any offer.

Result

Total bets required

£4,000

Expected loss clearing

160.00

Bonus received

100

Net expected value

£-60.00

This bonus has negative expected value of -£60.00. You'd expect to lose more clearing the bonus than the bonus is worth. Skip it or play without activating the bonus.

See Wagering Requirements Explained for full methodology.

Apply this to real casino decisions

Our Trust Index ranks 92 casinos on real-money testing data. Use these tools to evaluate bonuses before depositing.