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Contract OI history

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Jan 15, 2027 EXPIRATION

ASPN $10.00 Call

ASPN270115C00010000

Latest saved OI2,324Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ASPN $10.00 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. 2,3401,1700 2026-10-02: 2,340 OI2026-10-05: 2,340 OI2026-10-06: 2,340 OI2026-10-07: 2,340 OI2026-10-08: 2,340 OI2026-10-09: 2,339 OI2026-10-13: 2,339 OI2026-10-14: 2,329 OI2026-10-16: 2,324 OI2026-10-20: 2,324 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, 2026Viewing2,3240
Oct 16, 20262,324-5
Oct 14, 20262,329-10
Oct 13, 20262,3390
Oct 09, 20262,339-1
Oct 08, 20262,3400
Oct 07, 20262,3400
Oct 06, 20262,3400
Oct 05, 20262,3400
Oct 02, 20262,340No prior observation