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Contract OI history

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Dec 18, 2026 EXPIRATION

OKLO $55.00 Call

OKLO261218C00055000

Latest saved OI1,261Oct 23, 2026
Last change-26vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $55.00 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. 1,4447220 2026-10-02: 1,337 OI2026-10-05: 1,374 OI2026-10-06: 1,394 OI2026-10-07: 1,399 OI2026-10-08: 1,399 OI2026-10-09: 1,400 OI2026-10-13: 1,444 OI2026-10-14: 1,444 OI2026-10-15: 1,310 OI2026-10-16: 1,283 OI2026-10-21: 1,287 OI2026-10-23: 1,261 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, 20261,261-26
Oct 21, 2026Viewing1,287+4
Oct 16, 20261,283-27
Oct 15, 20261,310-134
Oct 14, 20261,4440
Oct 13, 20261,444+44
Oct 09, 20261,400+1
Oct 08, 20261,3990
Oct 07, 20261,399+5
Oct 06, 20261,394+20
Oct 05, 20261,374+37
Oct 02, 20261,337No prior observation