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Contract OI history

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Oct 23, 2026 EXPIRATION

OKLO $31.50 Call

OKLO261023C00031500

Latest saved OI335Oct 23, 2026
Last change-38vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $31.50 call open interest history 11 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 3731860 2026-10-05: 0 OI2026-10-06: 2 OI2026-10-07: 7 OI2026-10-08: 7 OI2026-10-09: 9 OI2026-10-13: 13 OI2026-10-14: 13 OI2026-10-15: 64 OI2026-10-16: 118 OI2026-10-21: 373 OI2026-10-23: 335 OI Oct 05, 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, 2026335-38
Oct 21, 2026Viewing373+255
Oct 16, 2026118+54
Oct 15, 202664+51
Oct 14, 2026130
Oct 13, 202613+4
Oct 09, 20269+2
Oct 08, 202670
Oct 07, 20267+5
Oct 06, 20262+2
Oct 05, 20260No prior observation