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Contract OI history

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Mar 19, 2027 EXPIRATION

OKLO $20.00 Put

OKLO270319P00020000

Latest saved OI428Oct 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 $20.00 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. 4282140 2026-10-02: 272 OI2026-10-05: 272 OI2026-10-06: 293 OI2026-10-07: 293 OI2026-10-08: 293 OI2026-10-09: 297 OI2026-10-13: 320 OI2026-10-14: 320 OI2026-10-15: 305 OI2026-10-16: 369 OI2026-10-21: 402 OI2026-10-23: 428 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, 2026428+26
Oct 21, 2026Viewing402+33
Oct 16, 2026369+64
Oct 15, 2026305-15
Oct 14, 20263200
Oct 13, 2026320+23
Oct 09, 2026297+4
Oct 08, 20262930
Oct 07, 20262930
Oct 06, 2026293+21
Oct 05, 20262720
Oct 02, 2026272No prior observation