Lot Size & Contract Limits
Max lots per trade and max contracts held — exceed it and the account is hard-breached.
Applies to 2 firms • Trading Rules
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Why this rule exists
Futures: 50K Topstep = 5 minis / 50 micros. Exceeding by 1 micro = breach. FX: Max lot per position and 80% margin cap. Apex eval 50K up to 10, Earn2Trade max 3 — progression ladder.
How traders get caught
This rule is often buried in FAQ or enforced only at payout review — not on the pricing page. Check the exact firm wording before assuming the headline covers your case.
How to stay safe
Verify the firm terms excerpt, keep evidence logs of your setup, and test edge cases in the simulator before sizing up.
The Formula
How it is calculated
Real Dollar Example
Topstep 50K: You open 6 ES minis (max 5) for 10 seconds → immediate hard breach, even if closed in profit.
Common Traps & Mistakes
Adding to a winner and crossing contract cap intraday.
Assuming micro = 1/10 mini always — firm counts micros separately.
Firms using this rule
Rule FAQ
Frequently Asked Questions: Lot Size & Contract Limits
What is the Lot Size & Contract Limits?
Max lots per trade and max contracts held — exceed it and the account is hard-breached.
How is Lot Size & Contract Limits calculated across prop firms?
Margin Cap = Total Used Margin / Equity < 80% AND Open Lots ≤ Max Allowed
What are the most common mistakes traders make with Lot Size & Contract Limits?
Adding to a winner and crossing contract cap intraday. Assuming micro = 1/10 mini always — firm counts micros separately.
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