L85 · Day-flat enforcement is non-negotiable — NEO
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halt reference

L85 Day-flat enforcement is non-negotiable

codified 2026-04-26 · V129-S2 · 5 references

EOD forced flatten at 15:55 ET regardless of P&L state. No overnight exposure. No overnight-gap risk.

Authority

This lesson is recorded as reference doctrine on the halt surface, sealed at stage V129-S2. Mutations of the rules it governs require operator-directive trace plus verifier sign-off (Rule 13.1.c).

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L84 · Wider session captures structural alpha
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L86 · Single-source-of-truth governance