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SizeProp Trading Rules Explained
Cayman-run perps simulator with one-phase Degen and Speedrun tests, USDT payouts.
4.0/5 our ratingSince 2025Cayman IslandsReviewed by PickMyFirmUpdated Oct 28, 2026
SizeProp rules: what you can and can't do
News trading: Allowed
You can open and close trades around high-impact news releases.
Holding overnight: Allowed
You can keep positions open past the end of the trading day.
Holding over the weekend: Allowed
You can keep positions open from Friday close to the Monday open.
EAs, bots & algorithms: Not stated
The firm doesn't say. Ask support in writing before you rely on it.
Copy trading: Not allowed
Copying trades between accounts or from signals is not allowed.
Hedging: Allowed
Opposite positions on the same instrument are allowed within one account.
Loss limits by plan
Degen
- Daily
- 2%
- Max
- 3%
- Min days
- 0
Static. Your loss limit is fixed from the starting balance. Profits never move it up, so gains give you extra room.
Speedrun
- Daily
- 2%
- Max
- 3.5%
- Min days
- 0
Static. Your loss limit is fixed from the starting balance. Profits never move it up, so gains give you extra room.
Fine print
- Maximum leverage: 5x on BTC and XAUT, 2x on other assets