OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

TAL $10.00 Put

TAL270115P00010000

Latest saved OI409Oct 23, 2026
Last change+1vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
TAL $10.00 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. 4252120 2026-10-02: 425 OI2026-10-05: 425 OI2026-10-06: 425 OI2026-10-07: 425 OI2026-10-08: 425 OI2026-10-09: 408 OI2026-10-13: 408 OI2026-10-14: 408 OI2026-10-16: 408 OI2026-10-20: 408 OI2026-10-23: 409 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

TAL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing409+1
Oct 20, 20264080
Oct 16, 20264080
Oct 14, 20264080
Oct 13, 20264080
Oct 09, 2026408-17
Oct 08, 20264250
Oct 07, 20264250
Oct 06, 20264250
Oct 05, 20264250
Oct 02, 2026425No prior observation