Options · October 30, 2026
The Hang Seng Tech Index closed down 2.84% on October 29, the last trading day for October monthly options. Total open interest in Hang Seng Tech options edged lower, while the November 3,900 call and 3,700 put each added more than 2,000 contracts in net open interest. The 3,700 put's quote jumped 49.2%, while the 3,900 call's fell 37%, highlighting the concentration of new positions at key strikes and the trade-offs facing covered-call strategies as they roll forward.
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Options · October 29, 2026
Time decay and lower implied volatility erode near-expiry index options, while rising hardware-stock option turnover masks divergent changes in open interest.
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Options · October 28, 2026
The Hang Seng fell 0.73%, and the October 23,400 call’s official quotation dropped about 75.8%. November absorbed 79.3% of new open interest as next-month put positions accumulated.
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Options · October 27, 2026
The October 23,000 put’s official quote fell to 94 points while implied volatility rose to 22%. A one-point 19,000 put led volume, and aggregate open interest continued to grow.
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Options · October 26, 2026
Monthly Hang Seng option volume concentrated on Thursday and Friday, while open interest rose to 119,123 contracts. October 23,000 puts climbed to 306 points before falling to 180. Put positioning diverged across strikes, and Xiaomi, Tencent and Alibaba options reflected a mixture of rebound and downside trades.
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Options · October 24, 2026
Xiaomi closed at HK$26.80 on October 23. Its October 29 HK$28 call traded 6,363 contracts while total open interest fell to 7,682, about one-third below a week earlier. The HK$25 put’s settlement price more than halved, but its open interest edged up to 8,719.
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Options · October 23, 2026
Hong Kong's sharp selloff drove Hang Seng options volume up 94.5% and raised put-protection costs. Open interest fell in Tencent HK $400 puts and rose in HK $370 puts, shifting the distribution toward lower strikes.
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Options · October 22, 2026
Tencent fell 4.04%, with options volume reaching 1.89 times its 20-day average while put open interest declined. Short-dated contract repricing and Hang Seng TECH covered-call positions reveal the different trade-offs between downside protection and premium income.
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Options · October 21, 2026
Hong Kong stock-option volume fell 4.8% on October 20, while Pop Mart volume surged 185.6% to 118,500 contracts, lifting its market share to 14.5%. Disagreement over third-quarter sales and concerns about potential share supply drove a combined 9,436-contract increase in open interest in November HK$135 and HK$132.50 puts. Implied volatility on the HK$135 put reached 31%, extending the risk-pricing horizon into late November.
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Options · October 20, 2026
Extended U.S. options hours began October 19, moving cross-market hedging earlier. Hang Seng options volume rose 50.6% on October 16 but open interest only 2.2%; attention turns to position retention and volatility ahead of October 23 and 29 expiries.
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Options · October 19, 2026
In the week of October 12–18, the Hang Seng Index slipped 0.10%, while Hang Seng option open interest rose 6.4% to 95,687 contracts. Intraweek index swings produced substantial changes in the quoted price of the 24,000 put. HKEX announced 12 additional stock-option classes, with weekly contracts available from launch, extending weekly-option coverage to 66 underlying securities. Cboe also added premarket and after-hours US equity-option trading from October 19.
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