OITracker Cboe delayed data

Contract OI history

Back to OLN

Jan 15, 2027 EXPIRATION

OLN $17.50 Call

OLN270115C00017500

Latest saved OI728Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OLN $17.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 7283640 2026-10-02: 185 OI2026-10-05: 185 OI2026-10-06: 186 OI2026-10-07: 314 OI2026-10-08: 518 OI2026-10-09: 525 OI2026-10-13: 524 OI2026-10-14: 539 OI2026-10-15: 726 OI2026-10-16: 728 OI2026-10-21: 728 OI2026-10-23: 728 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, 2026Viewing7280
Oct 21, 20267280
Oct 16, 2026728+2
Oct 15, 2026726+187
Oct 14, 2026539+15
Oct 13, 2026524-1
Oct 09, 2026525+7
Oct 08, 2026518+204
Oct 07, 2026314+128
Oct 06, 2026186+1
Oct 05, 20261850
Oct 02, 2026185No prior observation