OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

SU $55.00 Put

SU280121P00055000

Latest saved OI684Oct 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. 6843420 2026-10-02: 678 OI2026-10-05: 678 OI2026-10-07: 678 OI2026-10-08: 678 OI2026-10-09: 678 OI2026-10-13: 678 OI2026-10-14: 678 OI2026-10-16: 678 OI2026-10-20: 684 OI2026-10-23: 684 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, 2026Viewing6840
Oct 20, 2026684+6
Oct 16, 20266780
Oct 14, 20266780
Oct 13, 20266780
Oct 09, 20266780
Oct 08, 20266780
Oct 07, 20266780
Oct 05, 20266780
Oct 02, 2026678No prior observation