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Contract OI history

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Dec 18, 2026 EXPIRATION

AROC $35.00 Call

AROC261218C00035000

Latest saved OI344Oct 21, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AROC $35.00 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. 3441720 2026-10-02: 317 OI2026-10-05: 333 OI2026-10-06: 333 OI2026-10-07: 333 OI2026-10-08: 333 OI2026-10-09: 333 OI2026-10-13: 333 OI2026-10-14: 333 OI2026-10-16: 344 OI2026-10-21: 344 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, 2026Viewing3440
Oct 16, 2026344+11
Oct 14, 20263330
Oct 13, 20263330
Oct 09, 20263330
Oct 08, 20263330
Oct 07, 20263330
Oct 06, 20263330
Oct 05, 2026333+16
Oct 02, 2026317No prior observation