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Contract OI history

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Jan 15, 2027 EXPIRATION

ONON $35.00 Put

ONON270115P00035000

Latest saved OI3,901Oct 23, 2026
Last change-17vs 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. 4,7502,3750 2026-10-02: 4,743 OI2026-10-05: 4,744 OI2026-10-06: 4,750 OI2026-10-07: 3,750 OI2026-10-08: 3,750 OI2026-10-09: 3,898 OI2026-10-13: 3,903 OI2026-10-14: 3,903 OI2026-10-15: 3,903 OI2026-10-16: 3,903 OI2026-10-21: 3,918 OI2026-10-23: 3,901 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, 2026Viewing3,901-17
Oct 21, 20263,918+15
Oct 16, 20263,9030
Oct 15, 20263,9030
Oct 14, 20263,9030
Oct 13, 20263,903+5
Oct 09, 20263,898+148
Oct 08, 20263,7500
Oct 07, 20263,750-1,000
Oct 06, 20264,750+6
Oct 05, 20264,744+1
Oct 02, 20264,743No prior observation