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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $670.00 Call

TSM261218C00670000

Latest saved OI430Oct 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 $670.00 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. 5132560 2026-10-02: 484 OI2026-10-05: 484 OI2026-10-06: 501 OI2026-10-07: 501 OI2026-10-08: 501 OI2026-10-09: 501 OI2026-10-14: 513 OI2026-10-15: 512 OI2026-10-16: 428 OI2026-10-21: 432 OI2026-10-23: 430 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, 2026Viewing430-2
Oct 21, 2026432+4
Oct 16, 2026428-84
Oct 15, 2026512-1
Oct 14, 2026513+12
Oct 09, 20265010
Oct 08, 20265010
Oct 07, 20265010
Oct 06, 2026501+17
Oct 05, 20264840
Oct 02, 2026484No prior observation