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Contract OI history

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Nov 20, 2026 EXPIRATION

TSM $170.00 Put

TSM261120P00170000

Latest saved OI1,582Oct 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 $170.00 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. 1,5827910 2026-10-02: 1,522 OI2026-10-05: 1,523 OI2026-10-06: 1,522 OI2026-10-07: 1,524 OI2026-10-08: 1,524 OI2026-10-09: 1,516 OI2026-10-14: 1,520 OI2026-10-15: 1,536 OI2026-10-16: 1,532 OI2026-10-21: 1,533 OI2026-10-23: 1,582 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, 2026Viewing1,582+49
Oct 21, 20261,533+1
Oct 16, 20261,532-4
Oct 15, 20261,536+16
Oct 14, 20261,520+4
Oct 09, 20261,516-8
Oct 08, 20261,5240
Oct 07, 20261,524+2
Oct 06, 20261,522-1
Oct 05, 20261,523+1
Oct 02, 20261,522No prior observation