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Contract OI history

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Jan 15, 2027 EXPIRATION

OKLO $55.00 Put

OKLO270115P00055000

Latest saved OI1,639Oct 23, 2026
Last change+2vs 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. 1,8239110 2026-10-02: 1,823 OI2026-10-05: 1,823 OI2026-10-06: 1,822 OI2026-10-07: 1,822 OI2026-10-08: 1,822 OI2026-10-09: 1,822 OI2026-10-13: 1,822 OI2026-10-14: 1,822 OI2026-10-15: 1,729 OI2026-10-16: 1,648 OI2026-10-21: 1,637 OI2026-10-23: 1,639 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, 20261,639+2
Oct 21, 2026Viewing1,637-11
Oct 16, 20261,648-81
Oct 15, 20261,729-93
Oct 14, 20261,8220
Oct 13, 20261,8220
Oct 09, 20261,8220
Oct 08, 20261,8220
Oct 07, 20261,8220
Oct 06, 20261,822-1
Oct 05, 20261,8230
Oct 02, 20261,823No prior observation