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Home/Glossary/Liquidity-based position cap

Prediction markets · Pro

Liquidity-based position cap

By Omer Rapaport · Content updated 11 September 2026

Also searched as: volume-based position limit

What does Liquidity-based position cap mean?

A liquidity-based position cap limits trade or position size using a market-liquidity measure, such as a share of recent volume. It can apply alongside the program's overall exposure ceiling.

Example

A thin event market allows a smaller position than the account-wide maximum because a separate volume cap applies.

Illustrative example; not a provider’s quoted offer.

Why it matters for prop traders

Know the measurement window and whether the cap covers orders, fills or open exposure. Reported historical volume does not guarantee executable depth.

Sources and further reading

The following primary sources support the terminology. Provider rules describe their own products and may change.

  • Funded Prediction Trader - Its prediction-market evaluation model

Related terms

  • Prediction-market prop trading
  • Event contract
  • Implied probability
← All 181 terms

Frequently asked questions

How should I interpret a liquidity-based position cap?

Know the measurement window and whether the cap covers orders, fills or open exposure. Reported historical volume does not guarantee executable depth.

Sources: Funded Prediction Trader - Its prediction-market evaluation model

What is a practical example of Liquidity-based position cap?

Illustrative example: A thin event market allows a smaller position than the account-wide maximum because a separate volume cap applies.

Sources: Funded Prediction Trader - Its prediction-market evaluation model

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