Comp Tracker

Odds Calculator

Find out your REAL chance of winning any competition in seconds.

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How many tickets will you buy?

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Odds are our estimate from the comp's ticket numbers and change as tickets sell. No win guaranteed. 18+.

Odds calculator by Comp Tracker

How the odds work

Your chance is the tickets you hold divided by the tickets in the draw. If a comp has 2,999 tickets and you buy 1, your chance if it sells out is 1 in 2,999. Buy 5 and it's 5 in 2,999, about 1 in 600.

Many comps don't sell out. In the draws we tracked between 31 Oct and 11 Nov 2026, more than half closed with under half their tickets sold. That's why the number of tickets sold matters as much as the total. We project where each comp will finish and rank them by that, every few minutes.

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Play safe. Prize competitions cost money to enter and most entries won't win. Only spend what you can afford. Free, confidential help: GamCare 0808 8020 133 (gamcare.org.uk). Comp Tracker is free to use. We may earn commission if you enter through our links. It never changes our rankings.