OITracker Cboe delayed data

Contract OI history

Back to TSM

Dec 15, 2028 EXPIRATION

TSM $350.00 Put

TSM281215P00350000

Latest saved OI1,185Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $350.00 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. 1,1855920 2026-10-02: 1,169 OI2026-10-05: 1,168 OI2026-10-06: 1,168 OI2026-10-07: 1,168 OI2026-10-08: 1,168 OI2026-10-09: 1,175 OI2026-10-14: 1,178 OI2026-10-15: 1,176 OI2026-10-16: 1,176 OI2026-10-21: 1,182 OI2026-10-23: 1,185 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, 2026Viewing1,185+3
Oct 21, 20261,182+6
Oct 16, 20261,1760
Oct 15, 20261,176-2
Oct 14, 20261,178+3
Oct 09, 20261,175+7
Oct 08, 20261,1680
Oct 07, 20261,1680
Oct 06, 20261,1680
Oct 05, 20261,168-1
Oct 02, 20261,169No prior observation