OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

EDU $55.00 Put

EDU270115P00055000

Latest saved OI319Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EDU $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. 3191590 2026-10-02: 306 OI2026-10-05: 306 OI2026-10-06: 306 OI2026-10-07: 306 OI2026-10-08: 306 OI2026-10-13: 307 OI2026-10-14: 307 OI2026-10-16: 319 OI2026-10-20: 319 OI2026-10-23: 319 OI Oct 02, 2026Oct 23, 2026

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

EDU contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing3190
Oct 20, 20263190
Oct 16, 2026319+12
Oct 14, 20263070
Oct 13, 2026307+1
Oct 08, 20263060
Oct 07, 20263060
Oct 06, 20263060
Oct 05, 20263060
Oct 02, 2026306No prior observation