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Contract OI history

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Jan 19, 2029 EXPIRATION

OKLO $40.00 Call

OKLO290119C00040000

Latest saved OI239Oct 23, 2026
Last change+14vs 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. 2391190 2026-10-02: 125 OI2026-10-05: 139 OI2026-10-06: 167 OI2026-10-07: 175 OI2026-10-08: 175 OI2026-10-09: 181 OI2026-10-13: 177 OI2026-10-14: 177 OI2026-10-15: 183 OI2026-10-16: 184 OI2026-10-21: 225 OI2026-10-23: 239 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, 2026239+14
Oct 21, 2026Viewing225+41
Oct 16, 2026184+1
Oct 15, 2026183+6
Oct 14, 20261770
Oct 13, 2026177-4
Oct 09, 2026181+6
Oct 08, 20261750
Oct 07, 2026175+8
Oct 06, 2026167+28
Oct 05, 2026139+14
Oct 02, 2026125No prior observation