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Contract OI history

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Jan 21, 2028 EXPIRATION

OKLO $55.00 Put

OKLO280121P00055000

Latest saved OI572Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $55.00 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. 5732860 2026-10-02: 573 OI2026-10-05: 573 OI2026-10-06: 572 OI2026-10-07: 572 OI2026-10-08: 572 OI2026-10-09: 572 OI2026-10-13: 572 OI2026-10-14: 572 OI2026-10-15: 572 OI2026-10-16: 572 OI2026-10-21: 572 OI2026-10-23: 572 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, 20265720
Oct 21, 2026Viewing5720
Oct 16, 20265720
Oct 15, 20265720
Oct 14, 20265720
Oct 13, 20265720
Oct 09, 20265720
Oct 08, 20265720
Oct 07, 20265720
Oct 06, 2026572-1
Oct 05, 20265730
Oct 02, 2026573No prior observation