OITracker Cboe delayed data

Contract OI history

Back to OLN

Nov 20, 2026 EXPIRATION

OLN $12.50 Put

OLN261120P00012500

Latest saved OI769Oct 23, 2026
Last change+2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OLN $12.50 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. 7693840 2026-10-02: 160 OI2026-10-05: 160 OI2026-10-06: 160 OI2026-10-07: 159 OI2026-10-08: 159 OI2026-10-09: 159 OI2026-10-13: 190 OI2026-10-14: 212 OI2026-10-15: 212 OI2026-10-16: 212 OI2026-10-21: 767 OI2026-10-23: 769 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

OLN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing769+2
Oct 21, 2026767+555
Oct 16, 20262120
Oct 15, 20262120
Oct 14, 2026212+22
Oct 13, 2026190+31
Oct 09, 20261590
Oct 08, 20261590
Oct 07, 2026159-1
Oct 06, 20261600
Oct 05, 20261600
Oct 02, 2026160No prior observation