The rule that shaped active trading in the United States for a quarter century no longer exists. On April 14, 2026, the SEC approved the elimination of the Pattern Day Trader designation and its $25,000 minimum equity requirement, and the replacement framework took effect June 4, 2026. For any active trader who has felt walled out of the market by a five-figure balance requirement, this is the most consequential rule change in years.
The rule that defined day trading for 25 years just ended
The Pattern Day Trader rule, usually shortened to PDT, took effect in September 2001. It arrived just after the dot-com bubble burst, during the first wave of retail online trading, when commissions on frequent trades were high enough to do real damage to a small account. FINRA built the rule to put a cushion between an undercapitalized trader and the risk that day trading generates.
That cushion was $25,000. A trader flagged as a pattern day trader had to keep at least that much equity in a margin account to keep day trading, and the money had to sit in the account before any day trade, not after. Drop below the line and the day trading stopped until the balance was restored.
FINRA proposed scrapping the framework in January 2026, arguing that the original rule had aged badly. Margin-risk systems had advanced, and commissions had fallen, in many cases to zero. The SEC agreed and approved the change in April. The new rules are effective June 4, 2026, though brokers have until October 20, 2027 to finish implementing them.
One detail matters more than the headline. Because brokers get an 18-month phase-in, a trader’s own brokerage may still be running the old rule right now. The framework changed at the regulatory level on a single date. The experience inside any given account changes only when that broker migrates.
What the old Pattern Day Trader rule actually required
The legacy framework is worth understanding in detail, and not only for history. Many brokers still operate it during the transition, so a trader sitting in a flagged account today is living under these mechanics.
How a day trade was counted
A day trade is a round trip in the same security within one trading session: buy then sell, or sell then buy. Options counted the same way as stock. The trading day ran until 8 PM ET, and trades placed during overnight hours counted toward the next session.
What tripped up many traders was the counting logic. The number of day trades equals the number of direction changes between buys and sells, not the number of orders placed. Buy a stock, then sell it the same day, and that is 1 day trade no matter how many partial fills the order produced. Buy, sell, buy again, and sell again, and that is 2 day trades, because direction reversed twice. Large orders in thin stocks made this worse, since each partial execution could count separately and quietly inflate the day-trade tally.
Cash accounts were never subject to PDT. The rule governed margin, so a cash account sidestepped it entirely, which is why switching to cash became the standard workaround for traders under $25,000. The trade-off was settlement. Cash from a sale had to settle before it could be deployed again.
The $25,000 minimum and the PDT designation
An account earned the pattern day trader label by executing 4 or more day trades within 5 business days, provided those trades made up more than 6% of total trading activity in that period. A broker could also apply the designation on a reasonable basis alone, for example if it had given a customer day-trading training before the account opened.
Once applied, the flag was sticky. Under FINRA rules the designation stayed on an account indefinitely, and most brokers offered only a single courtesy removal. A trader who paused day trading for a stretch did not automatically shed the label, because the firm retained a reasonable belief that the pattern would resume.
Buying power, calls, and the 90-day restriction
Pattern day traders also faced a buying-power ceiling. Day-trading buying power generally ran to 4 times the maintenance margin excess as of the prior day’s close. The practical math at a typical broker looked like this: take the firm maintenance excess plus available cash, then divide by the margin requirement for the security being traded. At a 30% requirement, $3,000 of excess supported $10,000 of day-trading buying power.
Crossing that ceiling brought a day-trade call. The account then had up to 5 business days to deposit funds, and meanwhile its buying power dropped to twice the maintenance excess. Ignore the call and the account fell to a cash-only basis for 90 days, or until the call was met. Falling below the $25,000 line separately triggered an equity-maintenance call equal to the shortfall, which froze day trading until the balance came back. Stacked together, these mechanics could lock an active trader out for a full quarter.
The new intraday margin standard, explained
The replacement framework throws out the trade count entirely. Rather than asking how often a trader trades, it asks a single question: does the account hold enough equity right now to support the risk it is carrying? The system is exposure-based, and FINRA’s stated aim is to reduce risk while giving traders more room to participate.
The intraday margin level and what triggers a deficit
At the center of the new rules sits the intraday margin level, or IML. The IML is the account’s cushion, the breathing room it has at any given moment to support open positions. Any trade that draws that cushion down, buying stock for instance, is an IML-reducing transaction.
When the cushion goes negative, meaning equity drops below what the open positions require, the account has an intraday margin deficit. That deficit, not a count of round trips, is the number a broker now watches.
Real-time versus end-of-day monitoring
Brokers get to choose how they track the IML. The rules permit either real-time monitoring or a single end-of-day calculation, similar to how maintenance margin already works. Most firms are expected to monitor continuously to keep risk in check, and a broker watching in real time can block a trade that would open or deepen a deficit.
Several accommodations soften the edges of the system. Cash swept into an FDIC-insured bank through a sweep program counts as a credit balance in the trader’s favor. Deposits, withdrawals, and position closes made during the day are treated as if they happened at the session’s start, so a deposit at noon can retroactively erase a deficit that existed at 10 AM. Multi-leg option strategies get similar treatment. An iron condor or credit spread executed close to simultaneously counts as one transaction rather than several separate hits to the cushion.
What happens when a deficit is not fixed
A deficit is not a penalty by itself. The broker asks for a prompt fix, satisfied by depositing cash or securities or otherwise lifting the IML, and a single deposit can clear several outstanding deficits at once. Left alone, an unsatisfied deficit drops off the books automatically after 15 business days.
Habitual neglect is where consequences appear. Let a deficit sit unsatisfied for 5 full business days while showing a pattern of doing so, and the broker must impose a 90-day restriction. During that window the account cannot open new short positions or increase debit balances, though existing shorts can still be closed. Two carve-outs keep ordinary trading from setting this off. A deficit under $1,000, or under 5% of account equity, does not count toward the pattern test at all, and a broker can disregard a deficit caused by genuinely extraordinary circumstances.
Old rule versus new framework
The shift is easiest to see side by side.
| Feature | Old PDT rule | New intraday margin standard |
|---|---|---|
| What it measures | Number of day trades | Account equity against open risk |
| Trigger | 4+ day trades in 5 business days, over 6% of activity | An intraday margin deficit |
| Minimum equity | $25,000 to day trade | More than $2,000 to access intraday buying power |
| Designation | Sticky PDT flag, often indefinite | None; day trades are not counted |
| Main penalty | Cash-only or frozen for 90 days | 90-day restriction for repeat, uncured deficits |
| Small-miss grace | None | Deficits under $1,000 or 5% of equity ignored |
The headline difference is the wall. Under the old rule, a responsible trader holding $15,000 could be locked out of active trading purely for being active. Under the new one, that same trader can trade freely as long as the equity supports the positions.
Cash accounts and the rules that did not change
Not everything moved. Cash accounts sat outside the PDT rule before, and they remain governed by their own constraints. The central one is settlement. A cash account cannot trade on funds that have not yet settled, and selling securities bought with unsettled funds is free-riding, which triggers a 90-day Regulation T freeze during which purchases must be paid for up front on the trade date.
That distinction is why the cash account was the classic escape hatch under the old regime. It avoided the $25,000 minimum, at the cost of waiting on settled cash between trades. With the PDT minimum gone, the calculation shifts for many traders, but the cash-account rules themselves are untouched.
What this means for an active trader right now
The practical takeaways are short. The $25,000 barrier is gone at the regulatory level as of June 4, 2026, and the financial floor to trade actively is now far lower. The framework rewards traders who size positions to the equity they actually hold, because that equity, not a trade tally, is what the broker measures.
Timing is the catch. With implementation allowed to run to October 20, 2027, a given broker may still count day trades and enforce the old $25,000 line today. Confirming a broker’s current status is the single most useful step before assuming the wall is down in a specific account.
The deeper change is one of mindset. The old rule policed behavior by counting trades. The new one polices exposure by watching equity. Access widened, but the risk did not. Day trading is no safer than it was, and the responsibility for keeping an account solvent through the session now sits squarely with the trader holding the positions.