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Contract OI history

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Jan 15, 2027 EXPIRATION

OLN $12.50 Put

OLN270115P00012500

Latest saved OI808Oct 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 $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. 8084040 2026-10-02: 398 OI2026-10-05: 398 OI2026-10-06: 388 OI2026-10-07: 499 OI2026-10-08: 499 OI2026-10-09: 499 OI2026-10-13: 771 OI2026-10-14: 771 OI2026-10-15: 774 OI2026-10-16: 807 OI2026-10-21: 808 OI2026-10-23: 808 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, 2026Viewing8080
Oct 21, 2026808+1
Oct 16, 2026807+33
Oct 15, 2026774+3
Oct 14, 20267710
Oct 13, 2026771+272
Oct 09, 20264990
Oct 08, 20264990
Oct 07, 2026499+111
Oct 06, 2026388-10
Oct 05, 20263980
Oct 02, 2026398No prior observation