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Contract OI history

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Oct 23, 2026 EXPIRATION

OKLO $28.50 Put

OKLO261023P00028500

Latest saved OI472Oct 23, 2026
Last change+35vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $28.50 put open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 4722360 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 12 OI2026-10-16: 380 OI2026-10-21: 437 OI2026-10-23: 472 OI Oct 13, 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, 2026Viewing472+35
Oct 21, 2026437+57
Oct 16, 2026380+368
Oct 15, 202612+12
Oct 14, 202600
Oct 13, 20260No prior observation