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Contract OI history

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Jun 17, 2027 EXPIRATION

ONON $20.00 Put

ONON270617P00020000

Latest saved OI1,526Oct 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. 1,5267630 2026-10-02: 1,507 OI2026-10-05: 1,507 OI2026-10-06: 1,507 OI2026-10-07: 1,506 OI2026-10-08: 1,506 OI2026-10-09: 1,526 OI2026-10-13: 1,526 OI2026-10-14: 1,526 OI2026-10-15: 1,526 OI2026-10-16: 1,526 OI2026-10-21: 1,526 OI2026-10-23: 1,526 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, 2026Viewing1,5260
Oct 21, 20261,5260
Oct 16, 20261,5260
Oct 15, 20261,5260
Oct 14, 20261,5260
Oct 13, 20261,5260
Oct 09, 20261,526+20
Oct 08, 20261,5060
Oct 07, 20261,506-1
Oct 06, 20261,5070
Oct 05, 20261,5070
Oct 02, 20261,507No prior observation