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Rule Changes Latest Activity

Finalized rules, new contracts, and margin changes from exchanges and regulators: the first column options traders should read.

44 related activitiesLast 30 days 32 itemsFeatured among them 2 items

Updated

Activity Archive · Page 2 页

9 OctFriIssue 21–40 items
  1. FINRA: Regulatory Notices43

    FINRA Issues Regulatory Notice 26-17, Approving Amendments to FINRA Rule 4515.01 Regarding Investment Adviser Batch Order Allocations

    FINRA has issued Regulatory Notice 26-17, approving amendments to FINRA Rule 4515.01 regarding investment adviser batch order allocations, which will take effect on November 16, 2026. This amendment removes the requirement that investment adviser batch order allocations received after the close of trading be reviewed and approved by a principal, while retaining existing investor protection provisions. The amendment is part of the FINRA Forward initiative, which aims to simplify rules and reduce unnecessary operational burdens.

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8 OctThu
  1. Kraken Blog19

    Kraken Lists ZCHF for Trading

    Kraken officially launched ZCHF deposit, withdrawal and trading services on October 8, 2026. ZCHF is a decentralized over-collateralized stablecoin pegged to the Swiss franc, issued on the Ethereum mainnet and bridged via Chainlink CCIP to multiple public blockchains including Arbitrum and Avalanche. Trading is currently supported only on Kraken's web platform; the app and instant buy features will be enabled once liquidity thresholds are met, and access may be restricted in some regions.

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7 OctWed
  1. Kraken Blog16

    Kraken Launches AKT/USD Margin Trading Pair

    Kraken has added the AKT/USD margin trading pair, with a maximum leverage of 3x and a limit of 72,000 available for both long and short positions. AKT is the native token of Akash Network, a decentralized open-source cloud computing marketplace that rents out idle computing power through a reverse auction mechanism, often used for GPU-intensive workloads such as AI and machine learning. Margin trading requires holding at least one type of collateral, and additional fees apply to opening, closing, and holding positions, with the risk of loss of principal.

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  2. English translation is being prepared.41

    Hang Seng Indexes Company Announces Expansion of Hang Seng Tech Index Constituents to 50, Revision of Six Major Tech Themes, and Introduction of a Group-Based Stock Selection Mechanism

    Hang Seng Indexes Company announced that the number of constituents in the Hang Seng Tech Index will be increased to 50, with revisions to its six technology themes and the introduction of a grouped stock selection mechanism. The relevant adjustments will officially take effect in December.

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  3. English translation is being prepared.41

    Hang Seng Indexes Company Announces HSTECH Constituent Stocks to Increase to 50, Effective in December

    Hang Seng Indexes Company announced that the number of Hang Seng Tech Index constituent stocks will increase from 30 to 50, with relevant adjustments taking effect formally in December. This adjustment will expand the coverage of the technology theme while introducing a grouped stock selection mechanism.

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  4. English translation is being prepared.33

    Hang Seng Indexes Company announced that the number of constituents in the Hang Seng Tech Index will increase to 50, adopting a dual-group stock selection mechanism, effective in December this year.

    Hang Seng Indexes Company announced that the number of constituents in the Hang Seng Tech Index will increase to 50, adopting a dual-group stock selection mechanism, with the relevant adjustments taking effect in December this year.

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6 OctTue
30 SeptWed
25 SeptFri
  1. HKEX: Market Communications63

    HKEX derivatives clearinghouses to accept Chinese government bonds, policy bank bonds, and MOF offshore bonds as non-cash collateral starting November 2026

    HKEX announced that its wholly owned derivatives clearinghouses, HKCC and SEOCH, plan to include Chinese government bonds and policy bank bonds held under Northbound Bond Connect, as well as MOF bonds issued offshore by the Ministry of Finance, as eligible non-cash collateral for margin requirements starting November 2026. The arrangement remains subject to regulatory approval. This expansion applies to all derivatives products cleared by the two clearinghouses, aiming to provide market participants with more flexible collateral options and improve capital efficiency. The relevant launch date will be announced separately, and detailed rules are available in the circulars issued by HKCC and SEOCH on the same day.

    Key Takeaways:HKEX has clarified the bond categories, applicable clearinghouses, and effective date for newly eligible non-cash collateral, allowing derivatives participants to adjust their margin collateral arrangements accordingly.

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23 SeptWed
18 SeptFri
  1. English translation is being prepared.30

    Binance Reminds Users of Upcoming Deprecation of Legacy SBE and FIX SBE Modes Next Week

    Binance updated its API changelog on 2026-09-18, reminding users that SBE 3:2 mode and FIX SBE 1:0 mode will be deprecated on 2026-09-25. Both modes are being retired 6 months after being marked as deprecated per policy, and the production-facing SBE and FIX SBE lifecycle documentation has been updated accordingly.

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16 SeptWed
2 SeptWed
  1. OKX：Announcement26

    OKX to Migrate USD Spot Trading Pairs

    OKX plans to merge USD and USDC spot order books into a unified order book to improve liquidity, narrow spreads, and optimize execution quality. Users must migrate open orders and trading bots for USD trading pairs to corresponding USDC pairs between September 23 and 30, 2026. After the migration window closes from 03:00 to 04:00 ET on September 30, the USD order book will be officially deactivated.

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28 AugFri
  1. HKEX: Press Releases56

    HKEX announces weekly and monthly options will launch on SHEIN stock on its September 1 listing day, with derivative warrants permitted and the stock added to the designated securities list for short selling

    HKEX announced that on the first day of listing of SHEIN Global Holdings Limited (stock code: 625) on the HKEX securities market on September 1, 2026, weekly and monthly options on its stock will be launched simultaneously, issuers will be permitted to issue SHEIN derivative warrants on the listing day, and SHEIN stock will be added to the designated securities list for short selling.

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26 AugWed
  1. FINRA: Regulatory Notices38

    FINRA Expands Scope of TRACE Non-Member Affiliate-Proprietary Trading Indicator

    FINRA has issued Regulatory Notice 26-16, amending TRACE rules to extend the proprietary trading indicator, previously applicable only to non-member affiliate transactions, to member affiliate transactions. The voluntary compliance period for this amendment begins August 31, 2026, with a mandatory effective date of August 2, 2027. The rule text is available in the FINRA Online Manual.

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18 AugTue
  1. HKEX: Market Communications35

    HKEX Optimizes Methodology for HKEX Tech 100 Index

    HKEX has announced an optimization of the methodology for the HKEX Tech 100 Index, adjusting constituent stock eligibility, listing history requirements and weighting rules, adding industry-level weight caps, and expanding coverage of emerging technology trends such as the artificial intelligence value chain. This optimization and related constituent stock adjustments will take effect after market close on September 11, 2026, and will be officially implemented on September 14, 2026. Launched in December 2025, the index is a broad-based benchmark for Hong Kong's technology sector.

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7 AugFri
30 JulThu