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Contract OI history

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Jan 21, 2028 EXPIRATION

ASAN $7.50 Put

ASAN280121P00007500

Latest saved OI501Oct 21, 2026
Last change-6vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ASAN $7.50 put open interest history 11 saved observations from 2026-10-02 to 2026-10-21. Exact values and changes are listed in the table below. 5102550 2026-10-02: 509 OI2026-10-05: 509 OI2026-10-06: 509 OI2026-10-07: 509 OI2026-10-08: 509 OI2026-10-09: 510 OI2026-10-13: 506 OI2026-10-14: 506 OI2026-10-15: 506 OI2026-10-16: 507 OI2026-10-21: 501 OI Oct 02, 2026Oct 21, 2026

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

ASAN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing501-6
Oct 16, 2026507+1
Oct 15, 20265060
Oct 14, 20265060
Oct 13, 2026506-4
Oct 09, 2026510+1
Oct 08, 20265090
Oct 07, 20265090
Oct 06, 20265090
Oct 05, 20265090
Oct 02, 2026509No prior observation