OITracker Cboe delayed data

Contract OI history

Back to OKLO

Dec 18, 2026 EXPIRATION

OKLO $22.50 Put

OKLO261218P00022500

Latest saved OI587Oct 23, 2026
Last change+76vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OKLO $22.50 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. 5872930 2026-10-02: 259 OI2026-10-05: 259 OI2026-10-06: 255 OI2026-10-07: 258 OI2026-10-08: 258 OI2026-10-09: 260 OI2026-10-13: 349 OI2026-10-14: 349 OI2026-10-15: 375 OI2026-10-16: 376 OI2026-10-21: 511 OI2026-10-23: 587 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, 2026587+76
Oct 21, 2026Viewing511+135
Oct 16, 2026376+1
Oct 15, 2026375+26
Oct 14, 20263490
Oct 13, 2026349+89
Oct 09, 2026260+2
Oct 08, 20262580
Oct 07, 2026258+3
Oct 06, 2026255-4
Oct 05, 20262590
Oct 02, 2026259No prior observation