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Contract OI history

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Jan 21, 2028 EXPIRATION

OKLO $140.00 Call

OKLO280121C00140000

Latest saved OI563Oct 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 $140.00 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. 5632810 2026-10-02: 543 OI2026-10-05: 551 OI2026-10-06: 552 OI2026-10-07: 552 OI2026-10-08: 552 OI2026-10-09: 552 OI2026-10-13: 556 OI2026-10-14: 556 OI2026-10-15: 560 OI2026-10-16: 561 OI2026-10-21: 562 OI2026-10-23: 563 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, 2026563+1
Oct 21, 2026Viewing562+1
Oct 16, 2026561+1
Oct 15, 2026560+4
Oct 14, 20265560
Oct 13, 2026556+4
Oct 09, 20265520
Oct 08, 20265520
Oct 07, 20265520
Oct 06, 2026552+1
Oct 05, 2026551+8
Oct 02, 2026543No prior observation