The end-of-the-day betting effect is a pattern in which players take bigger risks as a betting session draws to a close, usually in an attempt to win back money lost earlier. Despite the name, it has nothing to do with the clock. It is about the end of the session, whatever the reason: a shrinking bankroll, tiredness or simply the decision to stop soon.
The pattern was first noticed among racetrack bettors, who put more money on long shots in the final races of the day. Casino players show the same urge when they raise stakes or switch to riskier bets near the end of a session, hoping for one result that rescues the night. It is a close cousin of chasing losses and of steaming.
A marker worth watching
Sharp stake increases late in a losing session are a recognised risk signal. Session reminders, reality checks and loss limits help players avoid them. See our approach to responsible gambling.