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Contract OI history

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Mar 19, 2027 EXPIRATION

ONL $2.50 Call

ONL270319C00002500

Latest saved OI133Oct 23, 2026
Last change+20vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONL $2.50 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 133660 2026-10-02: 113 OI2026-10-05: 113 OI2026-10-06: 113 OI2026-10-07: 113 OI2026-10-08: 113 OI2026-10-09: 113 OI2026-10-13: 113 OI2026-10-14: 113 OI2026-10-16: 113 OI2026-10-20: 113 OI2026-10-23: 133 OI Oct 02, 2026Oct 23, 2026

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

ONL contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026133+20
Oct 20, 2026Viewing1130
Oct 16, 20261130
Oct 14, 20261130
Oct 13, 20261130
Oct 09, 20261130
Oct 08, 20261130
Oct 07, 20261130
Oct 06, 20261130
Oct 05, 20261130
Oct 02, 2026113No prior observation