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Contract OI history

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Dec 18, 2026 EXPIRATION

HSBC $50.00 Put

HSBC261218P00050000

Latest saved OI44Oct 20, 2026
Last change+1vs previous saved observation
Saved market days8Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
HSBC $50.00 put open interest history 8 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 44220 2026-10-02: 44 OI2026-10-05: 44 OI2026-10-06: 44 OI2026-10-09: 41 OI2026-10-13: 41 OI2026-10-15: 41 OI2026-10-16: 43 OI2026-10-20: 44 OI Oct 02, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

HSBC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing44+1
Oct 16, 202643+2
Oct 15, 2026410
Oct 13, 2026410
Oct 09, 202641-3
Oct 06, 2026440
Oct 05, 2026440
Oct 02, 202644No prior observation