OITracker Cboe delayed data

Contract OI history

Back to TSM

Sep 17, 2027 EXPIRATION

TSM $270.00 Put

TSM270917P00270000

Latest saved OI130Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $270.00 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. 130650 2026-10-02: 96 OI2026-10-05: 96 OI2026-10-06: 95 OI2026-10-07: 97 OI2026-10-08: 97 OI2026-10-09: 107 OI2026-10-14: 107 OI2026-10-15: 107 OI2026-10-16: 128 OI2026-10-21: 128 OI2026-10-23: 130 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, 2026Viewing130+2
Oct 21, 20261280
Oct 16, 2026128+21
Oct 15, 20261070
Oct 14, 20261070
Oct 09, 2026107+10
Oct 08, 2026970
Oct 07, 202697+2
Oct 06, 202695-1
Oct 05, 2026960
Oct 02, 202696No prior observation