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Contract OI history

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Feb 19, 2027 EXPIRATION

EROC $17.50 Call

EROC270219C00017500

Latest saved OI915Oct 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 $17.50 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. 9164580 2026-10-02: 862 OI2026-10-05: 862 OI2026-10-06: 870 OI2026-10-07: 870 OI2026-10-09: 875 OI2026-10-13: 890 OI2026-10-14: 890 OI2026-10-16: 914 OI2026-10-20: 916 OI2026-10-23: 915 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, 2026Viewing915-1
Oct 20, 2026916+2
Oct 16, 2026914+24
Oct 14, 20268900
Oct 13, 2026890+15
Oct 09, 2026875+5
Oct 07, 20268700
Oct 06, 2026870+8
Oct 05, 20268620
Oct 02, 2026862No prior observation