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Contract OI history

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Jan 15, 2027 EXPIRATION

OLN $20.00 Call

OLN270115C00020000

Latest saved OI427Oct 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 $20.00 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. 4272130 2026-10-02: 344 OI2026-10-05: 344 OI2026-10-06: 356 OI2026-10-07: 356 OI2026-10-08: 418 OI2026-10-09: 418 OI2026-10-13: 421 OI2026-10-14: 421 OI2026-10-15: 424 OI2026-10-16: 426 OI2026-10-21: 427 OI2026-10-23: 427 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, 2026Viewing4270
Oct 21, 2026427+1
Oct 16, 2026426+2
Oct 15, 2026424+3
Oct 14, 20264210
Oct 13, 2026421+3
Oct 09, 20264180
Oct 08, 2026418+62
Oct 07, 20263560
Oct 06, 2026356+12
Oct 05, 20263440
Oct 02, 2026344No prior observation