Keep three different numbers separate
| Number | Meaning | Question to ask |
|---|---|---|
| Maximum entries | A published ceiling, if the operator provides one | Does the cap include every entry route? |
| Entries sold or allocated | A reported count at a moment in time | When was it checked, and which entries are counted? |
| Final valid entry pool | The entries actually participating in the draw | How are invalid, refunded and free entries handled? |
A worked example, with the assumptions stated
Imagine a hypothetical draw with one prize, 1,000 equally likely valid entries at the close and one winning entry selected uniformly. One valid entry has a 1 in 1,000 chance (0.1%) of winning, and a 99.9% chance of not winning. This example is arithmetic, not a prediction for any listed draw.
Suppose a page earlier showed 200 tickets sold from a stated maximum of 1,000. That is 20% sold under that definition. It does not establish a final 1 in 200 chance: more entries can arrive, and the reported sales figure may not describe the final eligible pool.
When does a simple calculation stop being useful?
Multiple prizes, instant wins, ticket bundles, multiple winning selections and different allocation rules can change the calculation. A prize count alone does not explain whether the same person can win more than once or whether every prize uses the same pool.
If a definition or input is missing, label the result unknown. A precise-looking percentage does not make uncertain data reliable. Do not combine a current sales count with an old entry cap or present a maximum-cap calculation as a live final chance.
Use the figures to understand, not to chase
A smaller pool does not guarantee a win or make a purchase suitable for you. ASA/CAP guidance addresses misleading claims about chances. Previous unsuccessful entries do not create an entitlement to win the next draw.
Set your decision about spending before comparing figures. Do not increase it to recover previous spending or because a progress bar looks low. Not entering remains an available choice.
Why can the app and operator show different figures?
The app collects published information at intervals, and sales can change between updates. A fast-changing final period can make a recent snapshot look old quickly. Check the operator’s current page, its definition of the number and the draw terms before relying on it.
Read closing dates and countdowns for the difference between a live clock and a refreshed sales figure.
Sources and further reading
Source links checked on 11 September 2026. Read the original for its full scope and current wording.
- ASA/CAP: claims about chances of winning
- DCMS: Voluntary Code of Good Practice for Prize Draw Operators
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