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Contract OI history

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Feb 19, 2027 EXPIRATION

TSM $380.00 Put

TSM270219P00380000

Latest saved OI2,252Oct 23, 2026
Last change+7vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $380.00 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. 2,2521,1260 2026-10-02: 584 OI2026-10-05: 595 OI2026-10-06: 627 OI2026-10-07: 630 OI2026-10-08: 630 OI2026-10-09: 635 OI2026-10-14: 670 OI2026-10-15: 1,078 OI2026-10-16: 2,085 OI2026-10-21: 2,245 OI2026-10-23: 2,252 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, 2026Viewing2,252+7
Oct 21, 20262,245+160
Oct 16, 20262,085+1,007
Oct 15, 20261,078+408
Oct 14, 2026670+35
Oct 09, 2026635+5
Oct 08, 20266300
Oct 07, 2026630+3
Oct 06, 2026627+32
Oct 05, 2026595+11
Oct 02, 2026584No prior observation