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Contract OI history

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Mar 19, 2027 EXPIRATION

PUMP $7.50 Put

PUMP270319P00007500

Latest saved OI151Oct 23, 2026
Last change+5vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PUMP $7.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 151750 2026-10-02: 46 OI2026-10-05: 46 OI2026-10-07: 46 OI2026-10-08: 146 OI2026-10-09: 146 OI2026-10-13: 146 OI2026-10-14: 146 OI2026-10-16: 146 OI2026-10-20: 146 OI2026-10-23: 151 OI Oct 02, 2026Oct 23, 2026

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

PUMP contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026151+5
Oct 20, 2026Viewing1460
Oct 16, 20261460
Oct 14, 20261460
Oct 13, 20261460
Oct 09, 20261460
Oct 08, 2026146+100
Oct 07, 2026460
Oct 05, 2026460
Oct 02, 202646No prior observation