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Contract OI history

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Dec 18, 2026 EXPIRATION

PUMP $15.00 Put

PUMP261218P00015000

Latest saved OI111Oct 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 $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. 124620 2026-10-02: 124 OI2026-10-05: 124 OI2026-10-07: 123 OI2026-10-08: 123 OI2026-10-09: 123 OI2026-10-13: 123 OI2026-10-14: 123 OI2026-10-16: 111 OI2026-10-20: 111 OI2026-10-23: 111 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, 20261110
Oct 20, 2026Viewing1110
Oct 16, 2026111-12
Oct 14, 20261230
Oct 13, 20261230
Oct 09, 20261230
Oct 08, 20261230
Oct 07, 2026123-1
Oct 05, 20261240
Oct 02, 2026124No prior observation