Too Long; Didn't Read
The PDT Rule places a minimum equity requirement on margin accounts where the stock market trader executes four or more day trades within five business days. The PDT rule is an industry standard and applies to many securities, from stocks, options, bonds, and ETFs. Exceptions to the PDT Rule include Futures, Futures Options and Forex. To understand the rationale of the PDT rule we have to look back to the dot com boom of the late 90s where trading reached the peak popularity during 1999–2000.