OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ERO $45.00 Put

ERO270115P00045000

Latest saved OI290Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ERO $45.00 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. 2901450 2026-10-02: 280 OI2026-10-05: 280 OI2026-10-06: 280 OI2026-10-07: 280 OI2026-10-08: 280 OI2026-10-09: 280 OI2026-10-13: 280 OI2026-10-14: 290 OI2026-10-16: 290 OI2026-10-20: 290 OI2026-10-23: 290 OI Oct 02, 2026Oct 23, 2026

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

ERO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing2900
Oct 20, 20262900
Oct 16, 20262900
Oct 14, 2026290+10
Oct 13, 20262800
Oct 09, 20262800
Oct 08, 20262800
Oct 07, 20262800
Oct 06, 20262800
Oct 05, 20262800
Oct 02, 2026280No prior observation