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Contract OI history

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Jan 21, 2028 EXPIRATION

ASAN $17.50 Put

ASAN280121P00017500

Latest saved OI453Oct 21, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ASAN $17.50 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. 4532260 2026-10-02: 453 OI2026-10-05: 453 OI2026-10-06: 453 OI2026-10-07: 453 OI2026-10-08: 453 OI2026-10-09: 453 OI2026-10-13: 453 OI2026-10-14: 453 OI2026-10-15: 453 OI2026-10-16: 453 OI2026-10-21: 453 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, 2026Viewing4530
Oct 16, 20264530
Oct 15, 20264530
Oct 14, 20264530
Oct 13, 20264530
Oct 09, 20264530
Oct 08, 20264530
Oct 07, 20264530
Oct 06, 20264530
Oct 05, 20264530
Oct 02, 2026453No prior observation