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Contract OI history

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Oct 23, 2026 EXPIRATION

TSM $365.00 Put

TSM261023P00365000

Latest saved OI578Oct 23, 2026
Last change-9vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $365.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 5872930 2026-10-02: 116 OI2026-10-05: 115 OI2026-10-06: 109 OI2026-10-07: 110 OI2026-10-08: 110 OI2026-10-09: 138 OI2026-10-14: 288 OI2026-10-15: 298 OI2026-10-16: 339 OI2026-10-21: 587 OI2026-10-23: 578 OI Oct 02, 2026Oct 23, 2026

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

TSM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing578-9
Oct 21, 2026587+248
Oct 16, 2026339+41
Oct 15, 2026298+10
Oct 14, 2026288+150
Oct 09, 2026138+28
Oct 08, 20261100
Oct 07, 2026110+1
Oct 06, 2026109-6
Oct 05, 2026115-1
Oct 02, 2026116No prior observation