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Contract OI history

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Dec 18, 2026 EXPIRATION

OKLO $40.00 Call

OKLO261218C00040000

Latest saved OI5,715Oct 23, 2026
Last change+124vs 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. 5,7152,8570 2026-10-02: 4,398 OI2026-10-05: 4,462 OI2026-10-06: 4,954 OI2026-10-07: 5,106 OI2026-10-08: 5,106 OI2026-10-09: 5,056 OI2026-10-13: 5,055 OI2026-10-14: 5,055 OI2026-10-15: 5,190 OI2026-10-16: 5,420 OI2026-10-21: 5,591 OI2026-10-23: 5,715 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, 20265,715+124
Oct 21, 2026Viewing5,591+171
Oct 16, 20265,420+230
Oct 15, 20265,190+135
Oct 14, 20265,0550
Oct 13, 20265,055-1
Oct 09, 20265,056-50
Oct 08, 20265,1060
Oct 07, 20265,106+152
Oct 06, 20264,954+492
Oct 05, 20264,462+64
Oct 02, 20264,398No prior observation