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Contract OI history

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Dec 18, 2026 EXPIRATION

ONON $22.50 Put

ONON261218P00022500

Latest saved OI632Oct 23, 2026
Last change-10vs 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. 7123560 2026-10-02: 712 OI2026-10-05: 712 OI2026-10-06: 696 OI2026-10-07: 688 OI2026-10-08: 688 OI2026-10-09: 685 OI2026-10-13: 656 OI2026-10-14: 656 OI2026-10-15: 655 OI2026-10-16: 653 OI2026-10-21: 642 OI2026-10-23: 632 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, 2026Viewing632-10
Oct 21, 2026642-11
Oct 16, 2026653-2
Oct 15, 2026655-1
Oct 14, 20266560
Oct 13, 2026656-29
Oct 09, 2026685-3
Oct 08, 20266880
Oct 07, 2026688-8
Oct 06, 2026696-16
Oct 05, 20267120
Oct 02, 2026712No prior observation