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Contract OI history

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Jan 21, 2028 EXPIRATION

PUMP $10.00 Put

PUMP280121P00010000

Latest saved OI620Oct 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. 6203100 2026-10-02: 520 OI2026-10-05: 520 OI2026-10-07: 620 OI2026-10-08: 620 OI2026-10-09: 620 OI2026-10-13: 620 OI2026-10-14: 620 OI2026-10-16: 620 OI2026-10-20: 620 OI2026-10-23: 620 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, 20266200
Oct 20, 2026Viewing6200
Oct 16, 20266200
Oct 14, 20266200
Oct 13, 20266200
Oct 09, 20266200
Oct 08, 20266200
Oct 07, 2026620+100
Oct 05, 20265200
Oct 02, 2026520No prior observation