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Contract OI history

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Nov 20, 2026 EXPIRATION

AROC $40.00 Call

AROC261120C00040000

Latest saved OI1,333Oct 21, 2026
Last change+1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AROC $40.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 1,3336660 2026-10-02: 1,333 OI2026-10-05: 1,332 OI2026-10-06: 1,332 OI2026-10-07: 1,332 OI2026-10-08: 1,332 OI2026-10-09: 1,332 OI2026-10-13: 1,332 OI2026-10-14: 1,332 OI2026-10-16: 1,332 OI2026-10-21: 1,333 OI Oct 02, 2026Oct 21, 2026

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

AROC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing1,333+1
Oct 16, 20261,3320
Oct 14, 20261,3320
Oct 13, 20261,3320
Oct 09, 20261,3320
Oct 08, 20261,3320
Oct 07, 20261,3320
Oct 06, 20261,3320
Oct 05, 20261,332-1
Oct 02, 20261,333No prior observation