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The Pattern Day Trader Rule: What It Is and What Changed

FINRA replaced the pattern day trader rule and its $25,000 minimum with intraday margin standards in June 2026. What the old rule required and what applies now.

By Published 3 min read

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Key takeaways

  • Under the old FINRA rules, a pattern day trader was a margin customer making four or more day trades in five business days, who then had to keep at least $25,000 in equity.
  • FINRA replaced those day trading margin requirements entirely with new intraday margin standards, effective 4 June 2026.
  • Firms may phase in the new standards until 20 October 2027, so practice can vary between brokers until then.
  • Under the new rule, firms calculate intraday margin deficits; customers must satisfy them promptly, and a practice of failing to do so can bring a 90-day freeze on margin activity.
  • FINRA's guidance still describes a $2,000 minimum equity for trading on margin, and warns that frequent margin trading can lose more than you deposit.

For more than twenty years, anyone who day traded frequently in a US margin account ran into the "pattern day trader" rule and its $25,000 minimum. In 2026 that changed. FINRA's Regulatory Notice 26-10, published in April 2026, announced new intraday margin standards that replace the old day trading margin requirements in their entirety, including the pattern day trader designation and the $25,000 minimum. This guide explains what the old rule was, what replaced it, and what remains the same.

The old rule, briefly

The SEC's investor bulletin on margin rules for day trading describes the requirements as they stood:

  • Definition. A pattern day trader was any customer who executed four or more day trades within five business days in a margin account, provided the day trades were more than 6% of the customer's total trades in that period. Some brokers used a broader definition.
  • Minimum equity. A pattern day trader had to keep at least $25,000 in the account, deposited before any day trading and maintained at all times. Below it, no day trading until the account was restored.
  • Buying power. Day trading buying power was up to four times the customer's maintenance margin excess from the previous day's close, with day trading margin calls for exceeding it.

FINRA's notice says customers and member firms had for some time voiced concern that these rules were restrictive, and FINRA requested comment on them in October 2024 before proposing the change.

What changed in 2026

According to Regulatory Notice 26-10:

  • The SEC approved FINRA's amendments to Rule 4210 replacing the day trading margin requirements with an intraday margin rule.
  • The effective date was 4 June 2026. Firms needing more time may phase in implementation until 20 October 2027, so some brokers may still be operating under their older systems for part of that period.
  • The new rule does not change the regular maintenance margin requirements; it supplements them.

FINRA describes the aim as giving customers more freedom to participate in the markets while ensuring they maintain equity commensurate with their market exposure at any point during the trading day.

How the intraday margin rule works

The core idea is to measure margin during the day, not just at the close.

  1. Intraday margin deficit. For each margin account and each day with a transaction that reduces the account's intraday margin level, the firm determines the deficit, broadly the largest shortfall between the margin required and the equity in the account after such transactions. Firms may monitor in real time and block trades that would create deficits, but they may also make a single calculation, as they do for maintenance margin.
  2. Satisfying a deficit. The firm must require the deficit to be satisfied as promptly as possible, by net deposits or other increases in the account's margin level. FINRA's investor guidance describes the same choice: deposit funds or liquidate positions.
  3. The 90-day freeze. If a customer makes a practice of failing to satisfy deficits promptly and leaves one unsatisfied past the fifth business day, the firm must prevent the customer from creating or increasing a short position or debit balance for 90 calendar days, or until the deficit is satisfied. The notice exempts small deficits (no more than the lesser of 5% of account equity or $1,000) and extraordinary circumstances.

What has not changed

  • Margin is still borrowing. FINRA's June 2026 guidance on frequent intraday trading warns that margin trading carries the potential to lose more than your original investment, and that you should never fund it with essential assets.
  • Minimum equity for margin. That guidance describes a minimum of $2,000 in equity to trade on margin, with firms free to require more.
  • Maintenance requirements and margin calls work as before.
  • Cash accounts still face settlement-based rules such as free-riding and good faith violations; see cash account versus margin account and T+1 settlement.

FINRA's guidance also states that strategies involving frequent trading on margin generally are not appropriate for investors with limited financial resources, limited trading experience or low risk tolerance, and suggests talking to your firm about how intraday margin works in your account and to a tax professional about the tax effects of frequent trading.

Practising without borrowing

A rule change that makes frequent trading easier does not make it safer. Practising with a simulator first risks no money: Learn to Trade Stocks Beginner uses virtual money only, with no real brokerage transactions, and what paper trading can and cannot teach explains its limits. It is one of our education apps; the investing basics hub lists the related guides.

Good to know

Frequently asked questions

Is the pattern day trader rule still in effect?
Not as a FINRA requirement. FINRA's Regulatory Notice 26-10 replaced the day trading margin requirements, including the pattern day trader designation and the $25,000 minimum, with new intraday margin standards effective 4 June 2026. Firms may phase in the change until 20 October 2027, and brokers can still set stricter house rules.
What was the pattern day trader rule?
A customer was a pattern day trader if they made four or more day trades within five business days in a margin account, provided those day trades were more than 6% of their trades in that period. Pattern day traders had to keep at least $25,000 in equity, deposited before day trading.
What replaced the $25,000 requirement?
Intraday margin standards in FINRA Rule 4210. Firms determine an intraday margin deficit when a customer's trading during the day leaves too little equity for the market exposure taken on. The deficit must be satisfied as promptly as possible, by depositing funds or reducing positions.
Can my broker still require more than the FINRA minimum?
Yes. Brokers can impose stricter 'house' requirements, including higher minimum equity. FINRA's guidance advises asking your firm how intraday margin requirements work in your account.

Sources

  1. Regulatory Notice 26-10: FINRA Adopts New Intraday Margin Standards to Replace the Day Trading Margin Requirements (opens in a new tab)FINRA — accessed
  2. Frequent Intraday Trading: Understanding the Basics (opens in a new tab)FINRA — accessed
  3. Margin Rules for Day Trading – Investor Bulletin (opens in a new tab)Investor.gov, U.S. Securities and Exchange Commission — accessed

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