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Contract OI history

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Dec 18, 2026 EXPIRATION

AS $27.50 Put

AS261218P00027500

Latest saved OI1,182Oct 23, 2026
Last change-26vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AS $27.50 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,2086040 2026-10-02: 747 OI2026-10-05: 865 OI2026-10-06: 881 OI2026-10-07: 894 OI2026-10-08: 894 OI2026-10-09: 893 OI2026-10-13: 1,037 OI2026-10-14: 1,037 OI2026-10-15: 1,038 OI2026-10-16: 1,030 OI2026-10-21: 1,208 OI2026-10-23: 1,182 OI Oct 02, 2026Oct 23, 2026

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

AS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,182-26
Oct 21, 20261,208+178
Oct 16, 20261,030-8
Oct 15, 20261,038+1
Oct 14, 20261,0370
Oct 13, 20261,037+144
Oct 09, 2026893-1
Oct 08, 20268940
Oct 07, 2026894+13
Oct 06, 2026881+16
Oct 05, 2026865+118
Oct 02, 2026747No prior observation