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Contract OI history

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Feb 19, 2027 EXPIRATION

EROC $20.00 Call

EROC270219C00020000

Latest saved OI1,201Oct 23, 2026
Last change+9vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EROC $20.00 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. 1,2016000 2026-10-02: 1,034 OI2026-10-05: 1,034 OI2026-10-06: 1,069 OI2026-10-07: 1,034 OI2026-10-09: 1,104 OI2026-10-13: 1,085 OI2026-10-14: 1,085 OI2026-10-16: 1,191 OI2026-10-20: 1,192 OI2026-10-23: 1,201 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, 2026Viewing1,201+9
Oct 20, 20261,192+1
Oct 16, 20261,191+106
Oct 14, 20261,0850
Oct 13, 20261,085-19
Oct 09, 20261,104+70
Oct 07, 20261,034-35
Oct 06, 20261,069+35
Oct 05, 20261,0340
Oct 02, 20261,034No prior observation