Regulatory watch

Rule changes that affect retail traders.

Name: Invariant Markets
Price: 49.99 USD

A running record of FINRA, SEC, CFTC, and IRS rule changes relevant to retail-account trading — margin requirements, options rules, settlement timing, reporting obligations. Each entry links back to the regulator's official source. Plain-English summary; full text at the source.

Last updated April 28, 2026

In effect

(1)

T+1 settlement cycle in effect
SEC·Rule 15c6-1·Settlement
Effective May 28, 2024
The standard settlement cycle for most U.S. securities transactions moved from T+2 to T+1, meaning trades settle the business day after the trade date rather than two days later.
ImpactCash-account traders cycle their capital faster � proceeds are available the next business day. Affects trade-date deadlines for IRA contributions, dividend record dates, and short-sale buy-ins.
Federal Register →

Adopted

(2)

Pattern Day Trader minimum equity reduced to $2,000

Rule changes that affect retail traders.

In effect

T+1 settlement cycle in effect

Adopted

Pattern Day Trader minimum equity reduced to $2,000

Order Providing Exemptive Relief To Facilitate Cross-Margining of Customer Positions Cleared at Chicago Mercantile Exchange, Inc. and Fixed Income Clearing Corporation

In comment period

Self-Regulatory Organizations; Cboe EDGX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Its Fee Schedule To Codify a User Fee Exemption and the Amen...

Self-Regulatory Organizations; Cboe BZX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Its Fees Schedule To Codify a User Fee Exemption and the Amen...

Self-Regulatory Organizations; Cboe C2 Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Its Fees Schedule To Codify a User Fee Exemption and the Amend...

Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Its Fee Schedule To Codify a User Fee Exemption and the Amended D...

Self-Regulatory Organizations; Cboe BZX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Its Fees Schedule To Codify a User Fee Exemption and Amend th...

Self-Regulatory Organizations; Cboe BYX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Its Fees Schedule To Codify a User Fee Exemption and Amend th...

Self-Regulatory Organizations; Cboe EDGX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Its Fees Schedule To Codify a User Fee Exemption and Amend t...

Self-Regulatory Organizations; Cboe EDGA Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change to Amend its Fees Schedule to Codify a User Fee Exemption and Amend t...

Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Its Rule Regarding Trading Permit Holders and Associated Persons ...

Self-Regulatory Organizations; Cboe BZX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Rule 21.17 To Adopt a Wide Market Protection Mechanism Design...

Self-Regulatory Organizations; Cboe C2 Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Rule 5.34 To Adopt a Wide Market Protection Mechanism Designed...

Self-Regulatory Organizations; Cboe EDGX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Rule 21.17 To Adopt a Wide Market Protection Mechanism Desig...

Self-Regulatory Organizations; The Nasdaq Stock Market LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Harmonize Nasdaq Options Market Data Feeds With Those of Other Na...

Self-Regulatory Organizations; Cboe EDGX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Rules 21.19 and 21.21 To Permit Orders for the Accounts of M...

Self-Regulatory Organizations; Cboe BZX Exchange, Inc.; Notice of Filing of a Proposed Rule Change To List and Trade Shares of the BondBloxx Private Credit Trust Under BZX Rule 14.11(f), Trust Issu...

Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing of a Proposed Rule Change To Amend Rule 4.21 (Series of FLEX Options)

Self-Regulatory Organizations; Nasdaq Texas, LLC; Notice of Filing and Immediate Effectiveness of Proposed Rule Change To Amend the NTX Options Price Improvement Auction

Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend Its Fees Schedule With Respect to Certain Standard Transaction Fe...

Order Under Section 36 of the Securities Exchange Act of 1934 (the “Exchange Act”) Granting Conditional Exemptive Relief from Section 15(c)(3) of and Rule 15c3-3 Under the Exchange Act for Cross-Ma...

Self-Regulatory Organizations; Fixed Income Clearing Corporation; Notice of Filing of Partial Amendment No. 2 and Order Granting Accelerated Approval of Proposed Rule Change, as Modified by Partial...

Self-Regulatory Organizations; Cboe BZX Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend the Franklin Ethereum ETF

Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing of a Proposed Rule Change To Amend Its Rules Related to Binary Options

Self-Regulatory Organizations; Cboe Exchange, Inc.; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend the Definition of “Exercise Settlement Amount” Applicable to Bina...

Self-Regulatory Organizations; MIAX PEARL, LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend the MIAX Pearl Options Exchange Fee Schedule To Amend the Fees for Al...

Self-Regulatory Organizations; MIAX Emerald, LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend the MIAX Emerald Options Exchange Fee Schedule To Amend the Fees fo...

Self-Regulatory Organizations; Miami International Securities Exchange, LLC; Notice of Filing and Immediate Effectiveness of a Proposed Rule Change To Amend the MIAX Options Exchange Fee Schedule f...

Proposed

Concept Release on Consolidated Audit Trail and Other Audit Trails and Data Sources

Regulatory Capital Rule: Category I and II Banking Organizations, Banking Organizations With Significant Trading Activity, and Optional Adoption for Other Banking Organizations

Proposal To Provide Exemptive Relief To Facilitate Cross-Margining of Customer Positions Cleared at Chicago Mercantile Exchange, Inc. and Fixed Income Clearing Corporation