OITracker Cboe delayed data

Contract OI history

Back to TSM

Feb 19, 2027 EXPIRATION

TSM $370.00 Put

TSM270219P00370000

Latest saved OI1,841Oct 23, 2026
Last change+134vs 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. 1,8419200 2026-10-02: 1,626 OI2026-10-05: 1,631 OI2026-10-06: 1,631 OI2026-10-07: 1,634 OI2026-10-08: 1,634 OI2026-10-09: 1,633 OI2026-10-14: 1,652 OI2026-10-15: 1,658 OI2026-10-16: 1,679 OI2026-10-21: 1,707 OI2026-10-23: 1,841 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, 2026Viewing1,841+134
Oct 21, 20261,707+28
Oct 16, 20261,679+21
Oct 15, 20261,658+6
Oct 14, 20261,652+19
Oct 09, 20261,633-1
Oct 08, 20261,6340
Oct 07, 20261,634+3
Oct 06, 20261,6310
Oct 05, 20261,631+5
Oct 02, 20261,626No prior observation