OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

U $39.00 Put

U270115P00039000

Latest saved OI353Oct 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
U $39.00 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. 3531760 2026-10-02: 270 OI2026-10-05: 273 OI2026-10-06: 328 OI2026-10-07: 328 OI2026-10-08: 328 OI2026-10-09: 336 OI2026-10-14: 348 OI2026-10-15: 353 OI2026-10-16: 353 OI2026-10-21: 352 OI2026-10-23: 353 OI Oct 02, 2026Oct 23, 2026

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

U contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026353+1
Oct 21, 2026Viewing352-1
Oct 16, 20263530
Oct 15, 2026353+5
Oct 14, 2026348+12
Oct 09, 2026336+8
Oct 08, 20263280
Oct 07, 20263280
Oct 06, 2026328+55
Oct 05, 2026273+3
Oct 02, 2026270No prior observation