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Contract OI history

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Nov 20, 2026 EXPIRATION

PUMP $15.00 Put

PUMP261120P00015000

Latest saved OI11Oct 23, 2026
Last change+3vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PUMP $15.00 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. 1150 2026-10-02: 8 OI2026-10-05: 8 OI2026-10-07: 8 OI2026-10-08: 8 OI2026-10-09: 8 OI2026-10-13: 8 OI2026-10-14: 8 OI2026-10-16: 8 OI2026-10-20: 8 OI2026-10-23: 11 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, 202611+3
Oct 20, 2026Viewing80
Oct 16, 202680
Oct 14, 202680
Oct 13, 202680
Oct 09, 202680
Oct 08, 202680
Oct 07, 202680
Oct 05, 202680
Oct 02, 20268No prior observation