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Contract OI history

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Dec 15, 2028 EXPIRATION

TSM $440.00 Call

TSM281215C00440000

Latest saved OI325Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $440.00 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. 3801900 2026-10-02: 380 OI2026-10-05: 378 OI2026-10-06: 373 OI2026-10-07: 372 OI2026-10-08: 372 OI2026-10-09: 311 OI2026-10-14: 321 OI2026-10-15: 322 OI2026-10-16: 322 OI2026-10-21: 323 OI2026-10-23: 325 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, 2026Viewing325+2
Oct 21, 2026323+1
Oct 16, 20263220
Oct 15, 2026322+1
Oct 14, 2026321+10
Oct 09, 2026311-61
Oct 08, 20263720
Oct 07, 2026372-1
Oct 06, 2026373-5
Oct 05, 2026378-2
Oct 02, 2026380No prior observation