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Contract OI history

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Jan 15, 2027 EXPIRATION

ONON $22.50 Put

ONON270115P00022500

Latest saved OI861Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $22.50 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. 9504750 2026-10-02: 950 OI2026-10-05: 950 OI2026-10-06: 926 OI2026-10-07: 926 OI2026-10-08: 926 OI2026-10-09: 921 OI2026-10-13: 913 OI2026-10-14: 913 OI2026-10-15: 909 OI2026-10-16: 861 OI2026-10-21: 861 OI2026-10-23: 861 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ONON contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing8610
Oct 21, 20268610
Oct 16, 2026861-48
Oct 15, 2026909-4
Oct 14, 20269130
Oct 13, 2026913-8
Oct 09, 2026921-5
Oct 08, 20269260
Oct 07, 20269260
Oct 06, 2026926-24
Oct 05, 20269500
Oct 02, 2026950No prior observation