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Contract OI history

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Nov 20, 2026 EXPIRATION

OLN $17.50 Call

OLN261120C00017500

Latest saved OI1,919Oct 23, 2026
Last change+67vs 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. 1,9199590 2026-10-02: 539 OI2026-10-05: 559 OI2026-10-06: 575 OI2026-10-07: 587 OI2026-10-08: 541 OI2026-10-09: 558 OI2026-10-13: 631 OI2026-10-14: 668 OI2026-10-15: 677 OI2026-10-16: 855 OI2026-10-21: 1,852 OI2026-10-23: 1,919 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, 2026Viewing1,919+67
Oct 21, 20261,852+997
Oct 16, 2026855+178
Oct 15, 2026677+9
Oct 14, 2026668+37
Oct 13, 2026631+73
Oct 09, 2026558+17
Oct 08, 2026541-46
Oct 07, 2026587+12
Oct 06, 2026575+16
Oct 05, 2026559+20
Oct 02, 2026539No prior observation