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Contract OI history

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Nov 20, 2026 EXPIRATION

EROC $12.50 Call

EROC261120C00012500

Latest saved OI1,216Oct 23, 2026
Last change+84vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
EROC $12.50 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. 1,2166080 2026-10-02: 307 OI2026-10-05: 313 OI2026-10-06: 345 OI2026-10-07: 316 OI2026-10-09: 335 OI2026-10-13: 370 OI2026-10-14: 384 OI2026-10-16: 655 OI2026-10-20: 1,132 OI2026-10-23: 1,216 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, 2026Viewing1,216+84
Oct 20, 20261,132+477
Oct 16, 2026655+271
Oct 14, 2026384+14
Oct 13, 2026370+35
Oct 09, 2026335+19
Oct 07, 2026316-29
Oct 06, 2026345+32
Oct 05, 2026313+6
Oct 02, 2026307No prior observation