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Contract OI history

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Dec 18, 2026 EXPIRATION

A $165.00 Put

A261218P00165000

Latest saved OI53Oct 23, 2026
Last change-1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
A $165.00 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. 54270 2026-10-02: 13 OI2026-10-05: 26 OI2026-10-06: 45 OI2026-10-07: 45 OI2026-10-08: 45 OI2026-10-09: 54 OI2026-10-13: 54 OI2026-10-14: 54 OI2026-10-15: 54 OI2026-10-16: 54 OI2026-10-21: 54 OI2026-10-23: 53 OI Oct 02, 2026Oct 23, 2026

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

A contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing53-1
Oct 21, 2026540
Oct 16, 2026540
Oct 15, 2026540
Oct 14, 2026540
Oct 13, 2026540
Oct 09, 202654+9
Oct 08, 2026450
Oct 07, 2026450
Oct 06, 202645+19
Oct 05, 202626+13
Oct 02, 202613No prior observation