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Contract OI history

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Oct 30, 2026 EXPIRATION

ONON $28.00 Put

ONON261030P00028000

Latest saved OI86Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $28.00 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. 117580 2026-10-02: 109 OI2026-10-05: 117 OI2026-10-06: 97 OI2026-10-07: 97 OI2026-10-08: 97 OI2026-10-09: 98 OI2026-10-13: 98 OI2026-10-14: 98 OI2026-10-15: 89 OI2026-10-16: 87 OI2026-10-21: 87 OI2026-10-23: 86 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, 2026Viewing86-1
Oct 21, 2026870
Oct 16, 202687-2
Oct 15, 202689-9
Oct 14, 2026980
Oct 13, 2026980
Oct 09, 202698+1
Oct 08, 2026970
Oct 07, 2026970
Oct 06, 202697-20
Oct 05, 2026117+8
Oct 02, 2026109No prior observation