OITracker Cboe delayed data

Contract OI history

Back to SU

Dec 18, 2026 EXPIRATION

SU $50.00 Put

SU261218P00050000

Latest saved OI376Oct 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 $50.00 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. 3861930 2026-10-02: 386 OI2026-10-05: 386 OI2026-10-07: 386 OI2026-10-08: 386 OI2026-10-09: 386 OI2026-10-13: 385 OI2026-10-14: 376 OI2026-10-16: 376 OI2026-10-20: 376 OI2026-10-23: 376 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, 2026Viewing3760
Oct 20, 20263760
Oct 16, 20263760
Oct 14, 2026376-9
Oct 13, 2026385-1
Oct 09, 20263860
Oct 08, 20263860
Oct 07, 20263860
Oct 05, 20263860
Oct 02, 2026386No prior observation