OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

SU $55.00 Put

SU270319P00055000

Latest saved OI480Oct 23, 2026
Last change+13vs 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. 4802400 2026-10-02: 457 OI2026-10-05: 458 OI2026-10-07: 465 OI2026-10-08: 465 OI2026-10-09: 465 OI2026-10-13: 467 OI2026-10-14: 467 OI2026-10-16: 467 OI2026-10-20: 467 OI2026-10-23: 480 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, 2026Viewing480+13
Oct 20, 20264670
Oct 16, 20264670
Oct 14, 20264670
Oct 13, 2026467+2
Oct 09, 20264650
Oct 08, 20264650
Oct 07, 2026465+7
Oct 05, 2026458+1
Oct 02, 2026457No prior observation