OITracker Cboe delayed data

Contract OI history

Back to OKLO

Dec 18, 2026 EXPIRATION

OKLO $20.00 Put

OKLO261218P00020000

Latest saved OI671Oct 23, 2026
Last change+40vs 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. 6713350 2026-10-02: 130 OI2026-10-05: 130 OI2026-10-06: 131 OI2026-10-07: 130 OI2026-10-08: 130 OI2026-10-09: 567 OI2026-10-13: 567 OI2026-10-14: 567 OI2026-10-15: 569 OI2026-10-16: 578 OI2026-10-21: 631 OI2026-10-23: 671 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, 2026671+40
Oct 21, 2026Viewing631+53
Oct 16, 2026578+9
Oct 15, 2026569+2
Oct 14, 20265670
Oct 13, 20265670
Oct 09, 2026567+437
Oct 08, 20261300
Oct 07, 2026130-1
Oct 06, 2026131+1
Oct 05, 20261300
Oct 02, 2026130No prior observation