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Contract OI history

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Feb 19, 2027 EXPIRATION

OLN $15.00 Put

OLN270219P00015000

Latest saved OI555Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
OLN $15.00 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. 5552770 2026-10-02: 407 OI2026-10-05: 407 OI2026-10-06: 407 OI2026-10-07: 417 OI2026-10-08: 417 OI2026-10-09: 517 OI2026-10-13: 548 OI2026-10-14: 549 OI2026-10-15: 549 OI2026-10-16: 549 OI2026-10-21: 550 OI2026-10-23: 555 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, 2026Viewing555+5
Oct 21, 2026550+1
Oct 16, 20265490
Oct 15, 20265490
Oct 14, 2026549+1
Oct 13, 2026548+31
Oct 09, 2026517+100
Oct 08, 20264170
Oct 07, 2026417+10
Oct 06, 20264070
Oct 05, 20264070
Oct 02, 2026407No prior observation