FINRA Sets June Start for New Intraday Margin Rules That Replace the PDT Framework

FINRA has formally published the timetable for its new intraday margin regime, confirming an effective date of June 4, 2026 and a phase-in period that runs through October 20, 2027. Regulatory Notice 26-10 says the new standard replaces the old day-trading margin framework in full, including both the pattern day trader designation and the long-standing $25,000 minimum equity requirement tied to that label.

The new rule is built around intraday margin deficits instead of trade-count labels. FINRA says firms can either monitor customer positions in real time and block trades that would create or increase an intraday margin deficit, or calculate deficits on a later basis under the rule’s framework. In practical terms, the focus moves away from how many same-day round trips a trader makes and toward how much intraday exposure the account is actually creating.

That is a meaningful shift for active U.S. equity traders and for brokers that still rely on the older pattern day trader playbook in client education and risk controls. It also means traders should expect house implementation to vary at first, because brokers have a long phase-in window to adapt systems and margin logic.

Why it matters

For traders, this can remove one of the most familiar retail restrictions in U.S. margin accounts. But it does not mean looser risk management across the board. The rule still lets firms block trades or issue calls when intraday exposure outruns account equity.

What to watch next

Watch how individual brokers translate the rule into platform controls, margin calculators, and disclosures ahead of the June 4 start date. The biggest differences will likely show up in how firms monitor exposure intraday and when they intervene.