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Contract OI history

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Jan 21, 2028 EXPIRATION

ONON $20.00 Put

ONON280121P00020000

Latest saved OI677Oct 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 $20.00 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. 6863430 2026-10-02: 686 OI2026-10-05: 686 OI2026-10-06: 686 OI2026-10-07: 686 OI2026-10-08: 686 OI2026-10-09: 686 OI2026-10-13: 680 OI2026-10-14: 680 OI2026-10-15: 680 OI2026-10-16: 680 OI2026-10-21: 677 OI2026-10-23: 677 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, 2026Viewing6770
Oct 21, 2026677-3
Oct 16, 20266800
Oct 15, 20266800
Oct 14, 20266800
Oct 13, 2026680-6
Oct 09, 20266860
Oct 08, 20266860
Oct 07, 20266860
Oct 06, 20266860
Oct 05, 20266860
Oct 02, 2026686No prior observation