OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

SU $55.00 Put

SU270115P00055000

Latest saved OI645Oct 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. 6613300 2026-10-02: 660 OI2026-10-05: 660 OI2026-10-07: 661 OI2026-10-08: 661 OI2026-10-09: 646 OI2026-10-13: 647 OI2026-10-14: 647 OI2026-10-16: 647 OI2026-10-20: 645 OI2026-10-23: 645 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, 2026Viewing6450
Oct 20, 2026645-2
Oct 16, 20266470
Oct 14, 20266470
Oct 13, 2026647+1
Oct 09, 2026646-15
Oct 08, 20266610
Oct 07, 2026661+1
Oct 05, 20266600
Oct 02, 2026660No prior observation