OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

E $42.50 Put

E270115P00042500

Latest saved OI968Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
E $42.50 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. 9684840 2026-10-02: 968 OI2026-10-05: 968 OI2026-10-06: 968 OI2026-10-07: 968 OI2026-10-08: 968 OI2026-10-09: 968 OI2026-10-13: 968 OI2026-10-14: 968 OI2026-10-16: 968 OI2026-10-21: 968 OI2026-10-23: 968 OI Oct 02, 2026Oct 23, 2026

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

E contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing9680
Oct 21, 20269680
Oct 16, 20269680
Oct 14, 20269680
Oct 13, 20269680
Oct 09, 20269680
Oct 08, 20269680
Oct 07, 20269680
Oct 06, 20269680
Oct 05, 20269680
Oct 02, 2026968No prior observation