OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

TSM $280.00 Put

TSM270115P00280000

Latest saved OI2,555Oct 23, 2026
Last change+10vs 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. 2,5551,2770 2026-10-02: 2,411 OI2026-10-05: 2,411 OI2026-10-06: 2,411 OI2026-10-07: 2,416 OI2026-10-08: 2,416 OI2026-10-09: 2,407 OI2026-10-14: 2,403 OI2026-10-15: 2,531 OI2026-10-16: 2,545 OI2026-10-21: 2,545 OI2026-10-23: 2,555 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, 2026Viewing2,555+10
Oct 21, 20262,5450
Oct 16, 20262,545+14
Oct 15, 20262,531+128
Oct 14, 20262,403-4
Oct 09, 20262,407-9
Oct 08, 20262,4160
Oct 07, 20262,416+5
Oct 06, 20262,4110
Oct 05, 20262,4110
Oct 02, 20262,411No prior observation