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Contract OI history

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Oct 23, 2026 EXPIRATION

OKLO $40.00 Put

OKLO261023P00040000

Latest saved OI2Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $40.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0835410 2026-10-02: 971 OI2026-10-05: 975 OI2026-10-06: 989 OI2026-10-07: 990 OI2026-10-08: 990 OI2026-10-09: 1,083 OI2026-10-13: 997 OI2026-10-14: 997 OI2026-10-15: 979 OI2026-10-16: 56 OI2026-10-21: 4 OI2026-10-23: 2 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, 20262-2
Oct 21, 2026Viewing4-52
Oct 16, 202656-923
Oct 15, 2026979-18
Oct 14, 20269970
Oct 13, 2026997-86
Oct 09, 20261,083+93
Oct 08, 20269900
Oct 07, 2026990+1
Oct 06, 2026989+14
Oct 05, 2026975+4
Oct 02, 2026971No prior observation