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Contract OI history

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Dec 18, 2026 EXPIRATION

PUMP $10.00 Put

PUMP261218P00010000

Latest saved OI137Oct 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. 137680 2026-10-02: 137 OI2026-10-05: 137 OI2026-10-07: 137 OI2026-10-08: 137 OI2026-10-09: 137 OI2026-10-13: 137 OI2026-10-14: 137 OI2026-10-16: 137 OI2026-10-20: 137 OI2026-10-23: 137 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, 2026Viewing1370
Oct 20, 20261370
Oct 16, 20261370
Oct 14, 20261370
Oct 13, 20261370
Oct 09, 20261370
Oct 08, 20261370
Oct 07, 20261370
Oct 05, 20261370
Oct 02, 2026137No prior observation