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Contract OI history

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Nov 20, 2026 EXPIRATION

EROC $12.50 Put

EROC261120P00012500

Latest saved OI659Oct 23, 2026
Last change-1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EROC $12.50 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. 7293640 2026-10-02: 553 OI2026-10-05: 553 OI2026-10-06: 558 OI2026-10-07: 530 OI2026-10-09: 660 OI2026-10-13: 713 OI2026-10-14: 729 OI2026-10-16: 680 OI2026-10-20: 660 OI2026-10-23: 659 OI Oct 02, 2026Oct 23, 2026

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

EROC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing659-1
Oct 20, 2026660-20
Oct 16, 2026680-49
Oct 14, 2026729+16
Oct 13, 2026713+53
Oct 09, 2026660+130
Oct 07, 2026530-28
Oct 06, 2026558+5
Oct 05, 20265530
Oct 02, 2026553No prior observation