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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $370.00 Call

TSM261218C00370000

Latest saved OI368Oct 23, 2026
Last change+29vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $370.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3681840 2026-10-02: 346 OI2026-10-05: 341 OI2026-10-06: 340 OI2026-10-07: 342 OI2026-10-08: 342 OI2026-10-09: 341 OI2026-10-14: 340 OI2026-10-15: 338 OI2026-10-16: 338 OI2026-10-21: 339 OI2026-10-23: 368 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, 2026Viewing368+29
Oct 21, 2026339+1
Oct 16, 20263380
Oct 15, 2026338-2
Oct 14, 2026340-1
Oct 09, 2026341-1
Oct 08, 20263420
Oct 07, 2026342+2
Oct 06, 2026340-1
Oct 05, 2026341-5
Oct 02, 2026346No prior observation