OITracker Cboe delayed data

Contract OI history

Back to TSM

Sep 17, 2027 EXPIRATION

TSM $280.00 Put

TSM270917P00280000

Latest saved OI1,691Oct 23, 2026
Last change-159vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $280.00 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. 1,9569780 2026-10-02: 1,956 OI2026-10-05: 1,953 OI2026-10-06: 1,952 OI2026-10-07: 1,951 OI2026-10-08: 1,951 OI2026-10-09: 1,940 OI2026-10-14: 1,940 OI2026-10-15: 1,892 OI2026-10-16: 1,893 OI2026-10-21: 1,850 OI2026-10-23: 1,691 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, 2026Viewing1,691-159
Oct 21, 20261,850-43
Oct 16, 20261,893+1
Oct 15, 20261,892-48
Oct 14, 20261,9400
Oct 09, 20261,940-11
Oct 08, 20261,9510
Oct 07, 20261,951-1
Oct 06, 20261,952-1
Oct 05, 20261,953-3
Oct 02, 20261,956No prior observation