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Contract OI history

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Oct 30, 2026 EXPIRATION

OKLO $31.50 Call

OKLO261030C00031500

Latest saved OI267Oct 23, 2026
Last change+16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $31.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2671330 2026-10-09: 0 OI2026-10-13: 68 OI2026-10-14: 68 OI2026-10-15: 155 OI2026-10-16: 164 OI2026-10-21: 251 OI2026-10-23: 267 OI Oct 09, 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, 2026Viewing267+16
Oct 21, 2026251+87
Oct 16, 2026164+9
Oct 15, 2026155+87
Oct 14, 2026680
Oct 13, 202668+68
Oct 09, 20260No prior observation