OITracker Cboe delayed data

Contract OI history

Back to TSM

Sep 17, 2027 EXPIRATION

TSM $260.00 Put

TSM270917P00260000

Latest saved OI1,193Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TSM $260.00 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. 1,1935960 2026-10-02: 1,019 OI2026-10-05: 1,019 OI2026-10-06: 1,019 OI2026-10-07: 1,019 OI2026-10-08: 1,019 OI2026-10-09: 1,019 OI2026-10-14: 1,019 OI2026-10-15: 1,019 OI2026-10-16: 1,038 OI2026-10-21: 1,193 OI2026-10-23: 1,193 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, 2026Viewing1,1930
Oct 21, 20261,193+155
Oct 16, 20261,038+19
Oct 15, 20261,0190
Oct 14, 20261,0190
Oct 09, 20261,0190
Oct 08, 20261,0190
Oct 07, 20261,0190
Oct 06, 20261,0190
Oct 05, 20261,0190
Oct 02, 20261,019No prior observation