OITracker Cboe delayed data

Contract OI history

Back to ORA

Dec 18, 2026 EXPIRATION

ORA $140.00 Call

ORA261218C00140000

Latest saved OI1,705Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ORA $140.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,7088540 2026-10-02: 1,708 OI2026-10-05: 1,708 OI2026-10-06: 1,708 OI2026-10-07: 1,708 OI2026-10-08: 1,708 OI2026-10-09: 1,708 OI2026-10-13: 1,708 OI2026-10-14: 1,708 OI2026-10-15: 1,708 OI2026-10-16: 1,708 OI2026-10-21: 1,708 OI2026-10-23: 1,705 OI Oct 02, 2026Oct 23, 2026

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

ORA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,705-3
Oct 21, 20261,7080
Oct 16, 20261,7080
Oct 15, 20261,7080
Oct 14, 20261,7080
Oct 13, 20261,7080
Oct 09, 20261,7080
Oct 08, 20261,7080
Oct 07, 20261,7080
Oct 06, 20261,7080
Oct 05, 20261,7080
Oct 02, 20261,708No prior observation