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Contract OI history

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Jan 15, 2027 EXPIRATION

ASPN $7.50 Call

ASPN270115C00007500

Latest saved OI2,101Oct 20, 2026
Last change-4vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ASPN $7.50 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 2,1191,0590 2026-10-02: 2,119 OI2026-10-05: 2,119 OI2026-10-06: 2,119 OI2026-10-07: 2,119 OI2026-10-08: 2,111 OI2026-10-09: 2,111 OI2026-10-13: 2,111 OI2026-10-14: 2,105 OI2026-10-16: 2,105 OI2026-10-20: 2,101 OI Oct 02, 2026Oct 20, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ASPN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing2,101-4
Oct 16, 20262,1050
Oct 14, 20262,105-6
Oct 13, 20262,1110
Oct 09, 20262,1110
Oct 08, 20262,111-8
Oct 07, 20262,1190
Oct 06, 20262,1190
Oct 05, 20262,1190
Oct 02, 20262,119No prior observation