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Contract OI history

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Jan 15, 2027 EXPIRATION

OKLO $40.00 Put

OKLO270115P00040000

Latest saved OI5,342Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $40.00 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. 5,6712,8350 2026-10-02: 5,549 OI2026-10-05: 5,671 OI2026-10-06: 5,523 OI2026-10-07: 5,524 OI2026-10-08: 5,524 OI2026-10-09: 5,539 OI2026-10-13: 5,551 OI2026-10-14: 5,551 OI2026-10-15: 5,349 OI2026-10-16: 5,404 OI2026-10-21: 5,341 OI2026-10-23: 5,342 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, 20265,342+1
Oct 21, 2026Viewing5,341-63
Oct 16, 20265,404+55
Oct 15, 20265,349-202
Oct 14, 20265,5510
Oct 13, 20265,551+12
Oct 09, 20265,539+15
Oct 08, 20265,5240
Oct 07, 20265,524+1
Oct 06, 20265,523-148
Oct 05, 20265,671+122
Oct 02, 20265,549No prior observation