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Contract OI history

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Dec 17, 2027 EXPIRATION

OKLO $40.00 Put

OKLO271217P00040000

Latest saved OI494Oct 23, 2026
Last change+143vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $40.00 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. 4942470 2026-10-02: 259 OI2026-10-05: 259 OI2026-10-06: 306 OI2026-10-07: 306 OI2026-10-08: 306 OI2026-10-09: 304 OI2026-10-13: 304 OI2026-10-14: 304 OI2026-10-15: 320 OI2026-10-16: 343 OI2026-10-21: 351 OI2026-10-23: 494 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, 2026494+143
Oct 21, 2026Viewing351+8
Oct 16, 2026343+23
Oct 15, 2026320+16
Oct 14, 20263040
Oct 13, 20263040
Oct 09, 2026304-2
Oct 08, 20263060
Oct 07, 20263060
Oct 06, 2026306+47
Oct 05, 20262590
Oct 02, 2026259No prior observation