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Contract OI history

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Nov 20, 2026 EXPIRATION

ASPN $10.00 Call

ASPN261120C00010000

Latest saved OI324Oct 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. 3321660 2026-10-02: 332 OI2026-10-05: 332 OI2026-10-06: 332 OI2026-10-07: 332 OI2026-10-08: 332 OI2026-10-09: 332 OI2026-10-13: 330 OI2026-10-14: 327 OI2026-10-16: 324 OI2026-10-20: 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, 2026Viewing3240
Oct 16, 2026324-3
Oct 14, 2026327-3
Oct 13, 2026330-2
Oct 09, 20263320
Oct 08, 20263320
Oct 07, 20263320
Oct 06, 20263320
Oct 05, 20263320
Oct 02, 2026332No prior observation