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Contract OI history

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May 21, 2027 EXPIRATION

EROC $15.00 Call

EROC270521C00015000

Latest saved OI118Oct 23, 2026
Last change+10vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EROC $15.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 118590 2026-10-02: 41 OI2026-10-05: 92 OI2026-10-06: 92 OI2026-10-07: 102 OI2026-10-09: 103 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-16: 108 OI2026-10-20: 108 OI2026-10-23: 118 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, 2026Viewing118+10
Oct 20, 20261080
Oct 16, 2026108+5
Oct 14, 20261030
Oct 13, 20261030
Oct 09, 2026103+1
Oct 07, 2026102+10
Oct 06, 2026920
Oct 05, 202692+51
Oct 02, 202641No prior observation