OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

UL $55.00 Put

UL1270115P00055000

Latest saved OI461Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
UL $55.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 4622310 2026-10-02: 462 OI2026-10-05: 462 OI2026-10-06: 462 OI2026-10-07: 462 OI2026-10-08: 462 OI2026-10-09: 462 OI2026-10-13: 462 OI2026-10-14: 462 OI2026-10-16: 462 OI2026-10-21: 461 OI2026-10-23: 461 OI Oct 02, 2026Oct 23, 2026

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

UL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20264610
Oct 21, 2026Viewing461-1
Oct 16, 20264620
Oct 14, 20264620
Oct 13, 20264620
Oct 09, 20264620
Oct 08, 20264620
Oct 07, 20264620
Oct 06, 20264620
Oct 05, 20264620
Oct 02, 2026462No prior observation