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Contract OI history

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Jan 21, 2028 EXPIRATION

OKLO $40.00 Call

OKLO280121C00040000

Latest saved OI1,885Oct 23, 2026
Last change0vs 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. 1,9009500 2026-10-02: 1,792 OI2026-10-05: 1,792 OI2026-10-06: 1,832 OI2026-10-07: 1,834 OI2026-10-08: 1,834 OI2026-10-09: 1,864 OI2026-10-13: 1,857 OI2026-10-14: 1,857 OI2026-10-15: 1,888 OI2026-10-16: 1,900 OI2026-10-21: 1,885 OI2026-10-23: 1,885 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, 20261,8850
Oct 21, 2026Viewing1,885-15
Oct 16, 20261,900+12
Oct 15, 20261,888+31
Oct 14, 20261,8570
Oct 13, 20261,857-7
Oct 09, 20261,864+30
Oct 08, 20261,8340
Oct 07, 20261,834+2
Oct 06, 20261,832+40
Oct 05, 20261,7920
Oct 02, 20261,792No prior observation