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Contract OI history

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Oct 30, 2026 EXPIRATION

TSM $365.00 Put

TSM261030P00365000

Latest saved OI236Oct 23, 2026
Last change+49vs 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. 2361180 2026-10-02: 74 OI2026-10-05: 75 OI2026-10-06: 71 OI2026-10-07: 68 OI2026-10-08: 68 OI2026-10-09: 68 OI2026-10-14: 68 OI2026-10-15: 70 OI2026-10-16: 115 OI2026-10-21: 187 OI2026-10-23: 236 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, 2026Viewing236+49
Oct 21, 2026187+72
Oct 16, 2026115+45
Oct 15, 202670+2
Oct 14, 2026680
Oct 09, 2026680
Oct 08, 2026680
Oct 07, 202668-3
Oct 06, 202671-4
Oct 05, 202675+1
Oct 02, 202674No prior observation