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Contract OI history

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Jan 21, 2028 EXPIRATION

OKLO $20.00 Put

OKLO280121P00020000

Latest saved OI1,903Oct 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 $20.00 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. 1,9039510 2026-10-02: 1,766 OI2026-10-05: 1,766 OI2026-10-06: 1,776 OI2026-10-07: 1,776 OI2026-10-08: 1,776 OI2026-10-09: 1,781 OI2026-10-13: 1,783 OI2026-10-14: 1,783 OI2026-10-15: 1,784 OI2026-10-16: 1,784 OI2026-10-21: 1,902 OI2026-10-23: 1,903 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, 20261,903+1
Oct 21, 2026Viewing1,902+118
Oct 16, 20261,7840
Oct 15, 20261,784+1
Oct 14, 20261,7830
Oct 13, 20261,783+2
Oct 09, 20261,781+5
Oct 08, 20261,7760
Oct 07, 20261,7760
Oct 06, 20261,776+10
Oct 05, 20261,7660
Oct 02, 20261,766No prior observation