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Contract OI history

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Jan 15, 2027 EXPIRATION

PUBM $17.50 Put

PUBM270115P00017500

Latest saved OI1,928Oct 23, 2026
Last change0vs 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. 1,9289640 2026-10-09: 3 OI2026-10-13: 3 OI2026-10-14: 3 OI2026-10-16: 1,928 OI2026-10-20: 1,928 OI2026-10-23: 1,928 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, 20261,9280
Oct 20, 2026Viewing1,9280
Oct 16, 20261,928+1,925
Oct 14, 202630
Oct 13, 202630
Oct 09, 20263No prior observation