OITracker Cboe delayed data

Contract OI history

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Dec 18, 2026 EXPIRATION

SU $55.00 Put

SU261218P00055000

Latest saved OI362Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SU $55.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3631810 2026-10-02: 278 OI2026-10-05: 328 OI2026-10-07: 326 OI2026-10-08: 326 OI2026-10-09: 363 OI2026-10-13: 362 OI2026-10-14: 362 OI2026-10-16: 362 OI2026-10-20: 362 OI2026-10-23: 362 OI Oct 02, 2026Oct 23, 2026

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

SU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3620
Oct 20, 20263620
Oct 16, 20263620
Oct 14, 20263620
Oct 13, 2026362-1
Oct 09, 2026363+37
Oct 08, 20263260
Oct 07, 2026326-2
Oct 05, 2026328+50
Oct 02, 2026278No prior observation