This article is incorporated by reference into the FPT Scale Program Agreement and is listed, with its version and effective date, in the Current FPT Scale Rules Index. It is a binding rules document, not a summary.
Every FPT position is governed by two limits at the same time: your account max open size, which is a fixed dollar figure attached to your account size and stage, and the market-volume cap, which is 5% of that market's trailing 24-hour volume. Whichever of the two is smaller is the size you are allowed to open.
That single sentence is the whole rule. The rest of this article states it in operative clauses, gives the formula, and works it through in tables so you can see exactly which of the two limits binds in each situation.
1. Scope
1.1. This article applies to every FPT Scale account of every size, in both the evaluation stage and the funded stage.
1.2. All FPT accounts are simulated. Balances, orders, positions, fills and profits inside an FPT account are simulated. FPT does not route customer orders to Polymarket, Kalshi or any other venue, does not hold customer funds and does not execute live trades for customers. The limits in this article are risk controls inside the FPT simulation.
1.3. Where this article and a marketing page, an FAQ answer or a support message disagree, this article controls. Where this article and the Program Agreement disagree, the Program Agreement controls.
2. The Two Limits
2.1. Account max open size is the maximum dollar size of a position your account may hold. It is set by your account size during the evaluation, and by your scaling milestone once funded.
2.2. The market-volume cap is 5% of the trailing 24-hour volume of the specific market you are trading. It is calculated per market, so it differs from market to market and changes as that market's volume changes.
2.3. The two limits are independent. Neither one overrides the other and neither one is waived because the other is satisfied.
3. The Allowed Position Size Formula
3.1. The allowed position size in any market is:
allowed position size = the lower of (account max open size) or (5% of that market's trailing 24-hour volume)
3.2. Because the rule takes the lower of the two, a large account does not unlock a large position in a small market. A $100k account with a $3,000 max open size is still limited to $250 in a market that has traded $5,000 over the last 24 hours.
3.3. Equally, a very deep market does not unlock more size than your account carries. Once 5% of a market's 24-hour volume exceeds your max open size, your max open size is the only limit that matters.
4. Max Open Size by Account Size and Stage
4.1. Evaluation max open size:
| Account | Evaluation max open size |
|---|---|
| $25k FPT Scale | $1,000 |
| $50k FPT Scale | $2,000 |
| $100k FPT Scale | $3,000 |
4.2. Funded max open size starts lower than the evaluation figure and steps up on each approved payout:
| Milestone | $25k | $50k | $100k |
|---|---|---|---|
| Funded start | $500 | $1,000 | $1,500 |
| 1st approved payout | $750 | $1,500 | $2,000 |
| 2nd approved payout | $1,000 | $2,000 | $2,500 |
| 3rd approved payout | $1,250 | $2,500 | $3,000 |
| 4th and later approved payouts | $1,500 max | $2,500 max | $3,500 max |
4.3. The full funded scaling schedule, including the payout caps that step up alongside these figures, is set out in Scaling Tables by Account Size and Max Open Size Scaling.
5. Worked Table — $25k Evaluation Account
Evaluation max open size: $1,000.
| Market 24h volume | 5% of volume | Account max open size | Allowed position | Which limit binds |
|---|---|---|---|---|
| $2,000 | $100 | $1,000 | $100 | Market-volume cap |
| $5,000 | $250 | $1,000 | $250 | Market-volume cap |
| $10,000 | $500 | $1,000 | $500 | Market-volume cap |
| $20,000 | $1,000 | $1,000 | $1,000 | Both, exactly equal |
| $40,000 | $2,000 | $1,000 | $1,000 | Max open size |
| $250,000 | $12,500 | $1,000 | $1,000 | Max open size |
6. Worked Table — $50k Evaluation Account
Evaluation max open size: $2,000.
| Market 24h volume | 5% of volume | Account max open size | Allowed position | Which limit binds |
|---|---|---|---|---|
| $5,000 | $250 | $2,000 | $250 | Market-volume cap |
| $10,000 | $500 | $2,000 | $500 | Market-volume cap |
| $20,000 | $1,000 | $2,000 | $1,000 | Market-volume cap |
| $40,000 | $2,000 | $2,000 | $2,000 | Both, exactly equal |
| $100,000 | $5,000 | $2,000 | $2,000 | Max open size |
| $500,000 | $25,000 | $2,000 | $2,000 | Max open size |
7. Worked Table — $100k Evaluation Account
Evaluation max open size: $3,000.
| Market 24h volume | 5% of volume | Account max open size | Allowed position | Which limit binds |
|---|---|---|---|---|
| $5,000 | $250 | $3,000 | $250 | Market-volume cap |
| $20,000 | $1,000 | $3,000 | $1,000 | Market-volume cap |
| $40,000 | $2,000 | $3,000 | $2,000 | Market-volume cap |
| $60,000 | $3,000 | $3,000 | $3,000 | Both, exactly equal |
| $100,000 | $5,000 | $3,000 | $3,000 | Max open size |
| $1,000,000 | $50,000 | $3,000 | $3,000 | Max open size |
8. Worked Table — Funded Accounts at Funded Start
Funded start max open size is lower than the evaluation figure, so the market-volume cap binds across a narrower band of markets.
| Market 24h volume | 5% of volume | $25k allowed | $50k allowed | $100k allowed |
|---|---|---|---|---|
| $2,000 | $100 | $100 | $100 | $100 |
| $5,000 | $250 | $250 | $250 | $250 |
| $10,000 | $500 | $500 | $500 | $500 |
| $20,000 | $1,000 | $500 | $1,000 | $1,000 |
| $30,000 | $1,500 | $500 | $1,000 | $1,500 |
| $100,000 | $5,000 | $500 | $1,000 | $1,500 |
At funded start the accounts carry $500, $1,000 and $1,500 respectively. The $25k account is already at its max open size by $10,000 of volume, the $50k account by $20,000, and the $100k account by $30,000. Above those points, extra market volume adds nothing.
9. The Break-Even Volume
9.1. For any max open size there is a market volume at which the two limits meet exactly. Above that volume the market-volume cap stops mattering and your max open size is the only constraint. Because the cap is 5%, that volume is always your max open size multiplied by 20.
| Max open size | Volume at which the two limits are equal |
|---|---|
| $500 | $10,000 |
| $750 | $15,000 |
| $1,000 | $20,000 |
| $1,250 | $25,000 |
| $1,500 | $30,000 |
| $2,000 | $40,000 |
| $2,500 | $50,000 |
| $3,000 | $60,000 |
| $3,500 | $70,000 |
9.2. This is a useful planning number. If you are on a $50k evaluation account with a $2,000 max open size, any market that has traded at least $40,000 in the last 24 hours lets you use your full size. Below that, the market decides.
10. Enforcement
10.1. The allowed position size is calculated by the FPT trading system, not by you. An order that would exceed the allowed position size is blocked before it is accepted. It is not partially filled to the limit and it is not queued.
10.2. The dashboard shows your account max open size and the market-specific maximum position on the order interface, and shows available size on market cards where it can. You should not have to open an order ticket to discover your limit.
10.3. When an order is blocked, the message states the market's 24-hour volume and the resulting maximum position, so the reason is visible rather than implied.
10.4. Because a market's trailing 24-hour volume moves continuously, the market-specific maximum you see can change between one order and the next in the same market. The limit applied is the one in force at the moment the order is submitted.
11. Thin, Restricted and Unavailable Markets
11.1. Thin markets are markets with low trailing volume. They are not prohibited, but the 5% cap makes the allowed position small, and the FPT dashboard labels a thin market clearly. See Market Availability and Thin Markets.
11.2. FPT may restrict or temporarily remove a market from the tradeable set — for example where data quality is degraded, where a market is in resolution or dispute, or where activity in it cannot be simulated reliably. See Temporary Market Restrictions.
11.3. Separately from size, opening a position very close to a market's explicit expiration is restricted. See Market Expiration and Late-Entry Restrictions.
12. Relationship to Other Rules
12.1. Complying with the position limits does not satisfy any other rule. Your account remains subject to its profit target, maximum loss, end-of-day trailing drawdown and the 40% consistency rule as set out in Complete Evaluation Rules by Account Size.
12.2. Deliberately structuring orders to work around a position limit — for instance splitting a single intended exposure across duplicate profiles or coordinated accounts — is prohibited conduct under Good-Faith Trading and Prohibited Conduct, regardless of whether any individual order was inside its limit.
12.3. Estimated slippage and estimated price impact shown on the order interface are estimates and are not guaranteed. They do not change the allowed position size. See Estimated Slippage and Price Impact.
13. Changes to This Article
13.1. Position limits are risk controls. A change applies to all accounts from its effective date, and FPT will give notice in the dashboard before a tightening takes effect.
13.2. Each purchase records the version of this article in force at the time. A material change bumps the version number and is reflected in the Current FPT Scale Rules Index. A non-material change — a typo, a clearer example, an added worked calculation — updates the last-updated date only.
Still Need Help?
If an order was blocked and the reason is not clear from the message, email support@fundedpredictiontrader.com with your account size, the market and the time, and the support team can confirm which of the two limits applied.