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Contract OI history

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Nov 20, 2026 EXPIRATION

OKLO $40.00 Call

OKLO261120C00040000

Latest saved OI8,617Oct 23, 2026
Last change+127vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $40.00 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. 8,6174,3080 2026-10-02: 4,537 OI2026-10-05: 4,743 OI2026-10-06: 5,188 OI2026-10-07: 5,933 OI2026-10-08: 5,933 OI2026-10-09: 5,530 OI2026-10-13: 5,593 OI2026-10-14: 5,593 OI2026-10-15: 5,560 OI2026-10-16: 5,743 OI2026-10-21: 8,490 OI2026-10-23: 8,617 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, 2026Viewing8,617+127
Oct 21, 20268,490+2,747
Oct 16, 20265,743+183
Oct 15, 20265,560-33
Oct 14, 20265,5930
Oct 13, 20265,593+63
Oct 09, 20265,530-403
Oct 08, 20265,9330
Oct 07, 20265,933+745
Oct 06, 20265,188+445
Oct 05, 20264,743+206
Oct 02, 20264,537No prior observation