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Contract OI history

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Dec 18, 2026 EXPIRATION

TSM $115.00 Put

TSM261218P00115000

Latest saved OI704Oct 23, 2026
Last change+319vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $115.00 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. 7043520 2026-10-02: 281 OI2026-10-05: 270 OI2026-10-06: 271 OI2026-10-07: 272 OI2026-10-08: 272 OI2026-10-09: 316 OI2026-10-14: 336 OI2026-10-15: 316 OI2026-10-16: 305 OI2026-10-21: 385 OI2026-10-23: 704 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, 2026Viewing704+319
Oct 21, 2026385+80
Oct 16, 2026305-11
Oct 15, 2026316-20
Oct 14, 2026336+20
Oct 09, 2026316+44
Oct 08, 20262720
Oct 07, 2026272+1
Oct 06, 2026271+1
Oct 05, 2026270-11
Oct 02, 2026281No prior observation