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Contract OI history

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Dec 17, 2027 EXPIRATION

OKLO $42.00 Call

OKLO271217C00042000

Latest saved OI277Oct 23, 2026
Last change+69vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $42.00 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. 2771380 2026-10-02: 170 OI2026-10-05: 170 OI2026-10-06: 172 OI2026-10-07: 172 OI2026-10-08: 172 OI2026-10-09: 172 OI2026-10-13: 171 OI2026-10-14: 171 OI2026-10-15: 172 OI2026-10-16: 172 OI2026-10-21: 208 OI2026-10-23: 277 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, 2026277+69
Oct 21, 2026Viewing208+36
Oct 16, 20261720
Oct 15, 2026172+1
Oct 14, 20261710
Oct 13, 2026171-1
Oct 09, 20261720
Oct 08, 20261720
Oct 07, 20261720
Oct 06, 2026172+2
Oct 05, 20261700
Oct 02, 2026170No prior observation