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Contract OI history

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Mar 19, 2027 EXPIRATION

ONON $32.50 Put

ONON270319P00032500

Latest saved OI2,490Oct 23, 2026
Last change+16vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ONON $32.50 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. 2,4901,2450 2026-10-02: 2,436 OI2026-10-05: 2,460 OI2026-10-06: 2,465 OI2026-10-07: 2,465 OI2026-10-08: 2,465 OI2026-10-09: 2,465 OI2026-10-13: 2,469 OI2026-10-14: 2,469 OI2026-10-15: 2,456 OI2026-10-16: 2,456 OI2026-10-21: 2,474 OI2026-10-23: 2,490 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, 2026Viewing2,490+16
Oct 21, 20262,474+18
Oct 16, 20262,4560
Oct 15, 20262,456-13
Oct 14, 20262,4690
Oct 13, 20262,469+4
Oct 09, 20262,4650
Oct 08, 20262,4650
Oct 07, 20262,4650
Oct 06, 20262,465+5
Oct 05, 20262,460+24
Oct 02, 20262,436No prior observation