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Contract OI history

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Nov 20, 2026 EXPIRATION

PUMP $10.00 Put

PUMP261120P00010000

Latest saved OI436Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PUMP $10.00 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. 4362180 2026-10-02: 232 OI2026-10-05: 232 OI2026-10-07: 302 OI2026-10-08: 302 OI2026-10-09: 401 OI2026-10-13: 401 OI2026-10-14: 431 OI2026-10-16: 436 OI2026-10-20: 436 OI2026-10-23: 436 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, 20264360
Oct 20, 2026Viewing4360
Oct 16, 2026436+5
Oct 14, 2026431+30
Oct 13, 20264010
Oct 09, 2026401+99
Oct 08, 20263020
Oct 07, 2026302+70
Oct 05, 20262320
Oct 02, 2026232No prior observation