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Contract OI history

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Mar 19, 2027 EXPIRATION

OKLO $40.00 Call

OKLO270319C00040000

Latest saved OI2,470Oct 23, 2026
Last change+71vs 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. 2,4701,2350 2026-10-02: 1,378 OI2026-10-05: 1,407 OI2026-10-06: 1,859 OI2026-10-07: 1,932 OI2026-10-08: 1,932 OI2026-10-09: 1,976 OI2026-10-13: 2,330 OI2026-10-14: 2,330 OI2026-10-15: 2,351 OI2026-10-16: 2,350 OI2026-10-21: 2,399 OI2026-10-23: 2,470 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, 20262,470+71
Oct 21, 2026Viewing2,399+49
Oct 16, 20262,350-1
Oct 15, 20262,351+21
Oct 14, 20262,3300
Oct 13, 20262,330+354
Oct 09, 20261,976+44
Oct 08, 20261,9320
Oct 07, 20261,932+73
Oct 06, 20261,859+452
Oct 05, 20261,407+29
Oct 02, 20261,378No prior observation