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Contract OI history

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Dec 18, 2026 EXPIRATION

PUMP $17.50 Call

PUMP261218C00017500

Latest saved OI2,977Oct 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 $17.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,9771,4880 2026-10-02: 2,976 OI2026-10-05: 2,976 OI2026-10-07: 2,977 OI2026-10-08: 2,977 OI2026-10-09: 2,977 OI2026-10-13: 2,977 OI2026-10-14: 2,977 OI2026-10-16: 2,977 OI2026-10-20: 2,977 OI2026-10-23: 2,977 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, 20262,9770
Oct 20, 2026Viewing2,9770
Oct 16, 20262,9770
Oct 14, 20262,9770
Oct 13, 20262,9770
Oct 09, 20262,9770
Oct 08, 20262,9770
Oct 07, 20262,977+1
Oct 05, 20262,9760
Oct 02, 20262,976No prior observation