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Contract OI history

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Dec 17, 2027 EXPIRATION

OKLO $42.00 Put

OKLO271217P00042000

Latest saved OI290Oct 23, 2026
Last change+27vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $42.00 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. 2901450 2026-10-02: 260 OI2026-10-05: 260 OI2026-10-06: 260 OI2026-10-07: 260 OI2026-10-08: 260 OI2026-10-09: 260 OI2026-10-13: 260 OI2026-10-14: 260 OI2026-10-15: 260 OI2026-10-16: 263 OI2026-10-21: 263 OI2026-10-23: 290 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, 2026290+27
Oct 21, 2026Viewing2630
Oct 16, 2026263+3
Oct 15, 20262600
Oct 14, 20262600
Oct 13, 20262600
Oct 09, 20262600
Oct 08, 20262600
Oct 07, 20262600
Oct 06, 20262600
Oct 05, 20262600
Oct 02, 2026260No prior observation