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Contract OI history

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Nov 20, 2026 EXPIRATION

PUBM $17.50 Put

PUBM261120P00017500

Latest saved OI16Oct 23, 2026
Last change+5vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
PUBM $17.50 put open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1680 2026-10-09: 3 OI2026-10-13: 3 OI2026-10-14: 3 OI2026-10-16: 5 OI2026-10-20: 11 OI2026-10-23: 16 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

PUBM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 202616+5
Oct 20, 2026Viewing11+6
Oct 16, 20265+2
Oct 14, 202630
Oct 13, 202630
Oct 09, 20263No prior observation