OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ERO $30.00 Put

ERO270115P00030000

Latest saved OI1,085Oct 23, 2026
Last change+2vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ERO $30.00 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. 1,0855420 2026-10-02: 1,064 OI2026-10-05: 1,065 OI2026-10-06: 1,069 OI2026-10-07: 1,069 OI2026-10-08: 1,074 OI2026-10-09: 1,074 OI2026-10-13: 1,074 OI2026-10-14: 1,084 OI2026-10-16: 1,082 OI2026-10-20: 1,083 OI2026-10-23: 1,085 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, 2026Viewing1,085+2
Oct 20, 20261,083+1
Oct 16, 20261,082-2
Oct 14, 20261,084+10
Oct 13, 20261,0740
Oct 09, 20261,0740
Oct 08, 20261,074+5
Oct 07, 20261,0690
Oct 06, 20261,069+4
Oct 05, 20261,065+1
Oct 02, 20261,064No prior observation