OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

OKLO $140.00 Call

OKLO270115C00140000

Latest saved OI1,004Oct 23, 2026
Last change-4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $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. 1,0085040 2026-10-02: 1,006 OI2026-10-05: 1,006 OI2026-10-06: 1,006 OI2026-10-07: 1,006 OI2026-10-08: 1,006 OI2026-10-09: 1,006 OI2026-10-13: 1,006 OI2026-10-14: 1,006 OI2026-10-15: 1,006 OI2026-10-16: 1,006 OI2026-10-21: 1,008 OI2026-10-23: 1,004 OI Oct 02, 2026Oct 23, 2026

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

OKLO contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,004-4
Oct 21, 20261,008+2
Oct 16, 20261,0060
Oct 15, 20261,0060
Oct 14, 20261,0060
Oct 13, 20261,0060
Oct 09, 20261,0060
Oct 08, 20261,0060
Oct 07, 20261,0060
Oct 06, 20261,0060
Oct 05, 20261,0060
Oct 02, 20261,006No prior observation