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Contract OI history

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Dec 18, 2026 EXPIRATION

ERO $30.00 Put

ERO261218P00030000

Latest saved OI520Oct 23, 2026
Last change+31vs 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. 5202600 2026-10-02: 157 OI2026-10-05: 157 OI2026-10-06: 156 OI2026-10-07: 156 OI2026-10-08: 156 OI2026-10-09: 156 OI2026-10-13: 156 OI2026-10-14: 191 OI2026-10-16: 448 OI2026-10-20: 489 OI2026-10-23: 520 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, 2026Viewing520+31
Oct 20, 2026489+41
Oct 16, 2026448+257
Oct 14, 2026191+35
Oct 13, 20261560
Oct 09, 20261560
Oct 08, 20261560
Oct 07, 20261560
Oct 06, 2026156-1
Oct 05, 20261570
Oct 02, 2026157No prior observation