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Notices from exchanges such as HKEX, OKX, Deribit and Kraken, plus news searches on options clearing, Chinese futures rules, A-share trading rules and index changes: new contracts, margins, fees and rule changes.
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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.
Read originalKraken has launched the Pre-IPO Trading Challenge, open to eligible users, running from 00:00 UTC on October 6, 2026 to 23:59 UTC on November 6, 2026, with a total prize pool of 10,000 USDG.
Read originalKraken is running an Atlassian Williams F1 team driver meet-and-greet sweepstakes from October 5 to 22, 2026, during the US Grand Prix. A total of 6 fans can bring one guest each to meet the drivers in person at Circuit of the Americas in Austin.
Read originalHKEX released its monthly regulatory statistics report on IPO applications, delistings, and suspensions for September 2026. As of September 30, 2026, the total number of listed companies on HKEX reached 2772, with 933 IPO applications processed cumulatively since 2026, of which 169 have completed listing. The report also disclosed the median processing time for various listing application documents in September, and the median time from Listing Committee hearing to listing in the past 12 months was 18 working days.
Read originalTo align with network infrastructure upgrades, OKX will stop accepting WebSocket port 8443 connections from the public internet environment on October 31, 2026, and will stop accepting connections to this port from the Colo environment on November 16, 2026.
Read originalBlock Scholes has released its Week 40 crypto derivatives market analysis report. The report shows that despite pressure from the macro environment, BTC prices consolidated in the $82,000 to $84,000 range, while spot BTC and ETH ETFs recorded net capital inflows for seven consecutive days. In the options market, the 25-delta skew for BTC and ETH fluctuated between demand for downside protection and preference for upside exposure, with 7-day ETH implied volatility rising by nearly 10 percentage points.
Read originalHKEX welcomes the listing of four new ETFs this month tracking its cross-market indices, namely the HKEX Bursa Malaysia Large Cap Index, HKEX KRX Semiconductor Index, and HKEX Tech & US Tech 100 Index, marking the first investment products based on these indices. The three cross-market indices adopt a 60/40 weighting design of 60% Hong Kong stocks and 40% overseas securities, and the related ETFs are expected to be eligible for Southbound Stock Connect.
Read originalHKEX 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.
OKX will delist DORA, ICX, STORJ, ZEUS, and ELF spot trading pairs in accordance with the OKX Delisting/Hiding Guidelines and user feedback.
Read originalOKX will delist the AEON/USD spot trading pair at 08:00 UTC on September 30, 2026. Users must cancel any orders related to this trading pair before that time, otherwise the system will automatically cancel unfilled orders. OKX will continue to monitor all listed trading pairs and implement delisting or hiding mechanisms when necessary.
Read originalDeribit has launched its new-generation matching engine, Starbase, reducing order processing latency from milliseconds to microseconds. Comparing operational data from six days before and after the launch of the old and new systems, the new system's median latency dropped from 4.7ms to 76µs, P90 latency dropped from 26.4ms to 106µs, P99 latency dropped from 124ms to 234µs, and the tail latency fluctuation range narrowed from 80ms-600ms to 180-420µs.
Read originalBlock Scholes has released its Week 38 crypto derivatives market analysis report, which shows that the market is currently pricing in a 93% probability of a rate hike at the Federal Reserve's meeting the following day, while the probability of the Clarity Act being passed by the end of 2026 on Polymarket has dropped to 19%. The implied volatility across all tenors for BTC options is in the 38%-39% range, and the implied volatility across all tenors for ETH options is in the 52%-54% range. BTC options skew is close to neutral, ETH options skew shows a moderately bullish stance, and the BTC and ETH risk appetite indices are near historical high ranges.
Read originalDeribit has launched the largest perpetual contract product expansion in its history, initially rolling out over 90 new USDC-settled contracts covering five major market categories: cryptocurrencies, listed stocks and ETFs, commodities, the COIN50 index, and Anthropic and OpenAI pre-IPO markets.
Read originalHong Kong Exchanges and Clearing Limited (HKEX) issued an announcement declaring the forfeiture of unclaimed 2020 interim dividend. The announcement only disclosed the core matter of forfeiting unclaimed dividends, without mentioning the specific dividend amount involved, applicable recipients, or subsequent handling arrangements.
Read originalOKX will delist 18 USD spot trading pairs including AUDF/USD, AUDM/USD, and PAXG/USD, with delisting effective at 08:00 (UTC) on September 18, 2026. The platform reminds users to cancel relevant orders themselves before delisting, otherwise the system will automatically cancel corresponding orders.
Read originalHKEX, the Hong Kong Monetary Authority, the Dubai Financial Services Authority (DFSA) and Nasdaq Dubai jointly announced the establishment of a strategic working group to deepen financial market connectivity between Hong Kong and the Dubai International Financial Centre (DIFC).
Read originalIn Episode 125 of Deribit's Crypto Options Unplugged podcast, Imran Lakha and David Brickell discuss whether pressure in the global bond markets could become the catalyst for Bitcoin's next major rally.
Read originalOKX 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.
Read originalHKEX has released its monthly regulatory statistics report on IPO applications, delistings and trading suspensions for August 2026. As of August 31, 2026, the total number of listed companies on HKEX reached 2,761, and 866 listing applications have been processed since 2026, of which 135 have completed listing. The report also discloses the median processing time for various listing application documents, as well as statistics on listing review over the past 12 months.
Read originalHKEX 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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