Feature | Legacy Rules (Pre-2026) | New Rules (SR-FINRA-2025-017)
--------------------------------------------------------------------------------------------
PDT Designation | Based on 4+ trades in 5 days | Eliminated
Min. Equity | $25,000 | $2,000 (Standard Margin Min)
Buying Power | 4x Maintenance Excess | Based on real-time IML
Constraint | Trade Count | Intraday Risk/Deficit