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Date/Time: Sun, 21 Jun 2026 03:48:38 +0000



MES Sim Trade — Sell Limit Did Not Fill Despite Price Trading Through Target

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[2026-06-20 22:55:52]
JL2711 - Posts: 3
I was simulation trading MES on June 19, 2026 and ran into an issue with a bracket order that I'd like some help understanding.

Here's the sequence of events:
- 9:33 AM PT — Entered one long MES contract via bracket order
- 9:42 AM PT — Sell limit placed at 7566.75
- 9:45 AM PT — Price reached 7567.75
- My sell limit did NOT trigger despite price trading through it
- 9:49 AM PT — Position was eventually closed by my sell stop at 7563.25, resulting in a loss

My sell limit should have been triggered when price hit 7567.75, as that is one point above the limit price of 7566.75. I'm wondering:
1. Could this be related to the fact that I was in simulation mode? Does sim trading handle limit order fills differently than live trading?
2. Is there a known fill behavior or setting in the platform that could explain this?
3. What can I do to ensure this doesn't happen with real money in a live account?

I'm happy to provide screenshots of the chart and price action, as well as my trade activity log if that would help diagnose the issue. Please let me know what you need.

Thank you,

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