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Contract OI history

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Dec 17, 2027 EXPIRATION

OKLO $40.00 Call

OKLO271217C00040000

Latest saved OI1,019Oct 23, 2026
Last change+48vs 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. 1,0195090 2026-10-02: 812 OI2026-10-05: 881 OI2026-10-06: 903 OI2026-10-07: 902 OI2026-10-08: 902 OI2026-10-09: 914 OI2026-10-13: 915 OI2026-10-14: 915 OI2026-10-15: 943 OI2026-10-16: 946 OI2026-10-21: 971 OI2026-10-23: 1,019 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, 20261,019+48
Oct 21, 2026Viewing971+25
Oct 16, 2026946+3
Oct 15, 2026943+28
Oct 14, 20269150
Oct 13, 2026915+1
Oct 09, 2026914+12
Oct 08, 20269020
Oct 07, 2026902-1
Oct 06, 2026903+22
Oct 05, 2026881+69
Oct 02, 2026812No prior observation