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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $400.00 Call

TSM261218C00400000

Latest saved OI1,605Oct 23, 2026
Last change-11vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $400.00 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. 1,6598290 2026-10-02: 1,659 OI2026-10-05: 1,650 OI2026-10-06: 1,635 OI2026-10-07: 1,637 OI2026-10-08: 1,637 OI2026-10-09: 1,632 OI2026-10-14: 1,630 OI2026-10-15: 1,640 OI2026-10-16: 1,633 OI2026-10-21: 1,616 OI2026-10-23: 1,605 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, 2026Viewing1,605-11
Oct 21, 20261,616-17
Oct 16, 20261,633-7
Oct 15, 20261,640+10
Oct 14, 20261,630-2
Oct 09, 20261,632-5
Oct 08, 20261,6370
Oct 07, 20261,637+2
Oct 06, 20261,635-15
Oct 05, 20261,650-9
Oct 02, 20261,659No prior observation