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Contract OI history

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Jan 21, 2028 EXPIRATION

ONON $35.00 Put

ONON280121P00035000

Latest saved OI1,150Oct 23, 2026
Last change+353vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $35.00 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. 1,1505750 2026-10-02: 657 OI2026-10-05: 662 OI2026-10-06: 662 OI2026-10-07: 801 OI2026-10-08: 801 OI2026-10-09: 799 OI2026-10-13: 796 OI2026-10-14: 796 OI2026-10-15: 797 OI2026-10-16: 797 OI2026-10-21: 797 OI2026-10-23: 1,150 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, 2026Viewing1,150+353
Oct 21, 20267970
Oct 16, 20267970
Oct 15, 2026797+1
Oct 14, 20267960
Oct 13, 2026796-3
Oct 09, 2026799-2
Oct 08, 20268010
Oct 07, 2026801+139
Oct 06, 20266620
Oct 05, 2026662+5
Oct 02, 2026657No prior observation