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Contract OI history

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Oct 30, 2026 EXPIRATION

OKLO $40.00 Call

OKLO261030C00040000

Latest saved OI1,543Oct 23, 2026
Last change-75vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $40.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,6878430 2026-10-02: 665 OI2026-10-05: 656 OI2026-10-06: 724 OI2026-10-07: 1,141 OI2026-10-08: 1,141 OI2026-10-09: 1,687 OI2026-10-13: 1,590 OI2026-10-14: 1,590 OI2026-10-15: 1,638 OI2026-10-16: 1,642 OI2026-10-21: 1,618 OI2026-10-23: 1,543 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, 20261,543-75
Oct 21, 2026Viewing1,618-24
Oct 16, 20261,642+4
Oct 15, 20261,638+48
Oct 14, 20261,5900
Oct 13, 20261,590-97
Oct 09, 20261,687+546
Oct 08, 20261,1410
Oct 07, 20261,141+417
Oct 06, 2026724+68
Oct 05, 2026656-9
Oct 02, 2026665No prior observation