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Contract OI history

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Dec 17, 2027 EXPIRATION

TSM $370.00 Put

TSM271217P00370000

Latest saved OI334Oct 23, 2026
Last change+41vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $370.00 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. 3341670 2026-10-02: 280 OI2026-10-05: 279 OI2026-10-06: 279 OI2026-10-07: 279 OI2026-10-08: 279 OI2026-10-09: 279 OI2026-10-14: 279 OI2026-10-15: 279 OI2026-10-16: 293 OI2026-10-21: 293 OI2026-10-23: 334 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, 2026Viewing334+41
Oct 21, 20262930
Oct 16, 2026293+14
Oct 15, 20262790
Oct 14, 20262790
Oct 09, 20262790
Oct 08, 20262790
Oct 07, 20262790
Oct 06, 20262790
Oct 05, 2026279-1
Oct 02, 2026280No prior observation