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Contract OI history

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Nov 20, 2026 EXPIRATION

OKLO $40.00 Put

OKLO261120P00040000

Latest saved OI3,641Oct 23, 2026
Last change-1,107vs 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. 4,7482,3740 2026-10-02: 4,417 OI2026-10-05: 4,432 OI2026-10-06: 4,593 OI2026-10-07: 4,632 OI2026-10-08: 4,632 OI2026-10-09: 4,645 OI2026-10-13: 4,692 OI2026-10-14: 4,692 OI2026-10-15: 4,709 OI2026-10-16: 4,646 OI2026-10-21: 4,748 OI2026-10-23: 3,641 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, 20263,641-1,107
Oct 21, 2026Viewing4,748+102
Oct 16, 20264,646-63
Oct 15, 20264,709+17
Oct 14, 20264,6920
Oct 13, 20264,692+47
Oct 09, 20264,645+13
Oct 08, 20264,6320
Oct 07, 20264,632+39
Oct 06, 20264,593+161
Oct 05, 20264,432+15
Oct 02, 20264,417No prior observation