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You must be flat by 4:59 PM ET each day (before the CME maintenance break). Overnight holding WITHIN a session is allowed (a session runs ~6 PM ET to 4:59 PM ET next day), but no holding across the daily break or over the weekend. Open positions at close are auto-flattened (this does not fail the account).
The gotcha
You can hold overnight within a session but never over the weekend โ leftover positions are auto-flattened with possible slippage.
| flatBy | 16:59 ET |
| overnightInSession | ALLOWED |
| weekend | NO |
Source: support โ official page . Confidence: verified.
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Start a Tradeify challengeInformational only โ not financial advice, not affiliated with Tradeify. Verify against official terms before relying on this. Last reviewed Jun 5, 2026.