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Contract OI history

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Jan 15, 2027 EXPIRATION

TSM $155.00 Put

TSM270115P00155000

Latest saved OI1,389Oct 23, 2026
Last change+35vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $155.00 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. 1,3896940 2026-10-02: 1,360 OI2026-10-05: 1,359 OI2026-10-06: 1,361 OI2026-10-07: 1,361 OI2026-10-08: 1,361 OI2026-10-09: 1,360 OI2026-10-14: 1,360 OI2026-10-15: 1,360 OI2026-10-16: 1,360 OI2026-10-21: 1,354 OI2026-10-23: 1,389 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, 2026Viewing1,389+35
Oct 21, 20261,354-6
Oct 16, 20261,3600
Oct 15, 20261,3600
Oct 14, 20261,3600
Oct 09, 20261,360-1
Oct 08, 20261,3610
Oct 07, 20261,3610
Oct 06, 20261,361+2
Oct 05, 20261,359-1
Oct 02, 20261,360No prior observation