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Contract OI history

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Dec 18, 2026 EXPIRATION

A $170.00 Put

A261218P00170000

Latest saved OI116Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
A $170.00 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. 118590 2026-10-02: 2 OI2026-10-05: 97 OI2026-10-06: 108 OI2026-10-07: 108 OI2026-10-08: 108 OI2026-10-09: 108 OI2026-10-13: 118 OI2026-10-14: 118 OI2026-10-15: 118 OI2026-10-16: 118 OI2026-10-21: 118 OI2026-10-23: 116 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, 2026Viewing116-2
Oct 21, 20261180
Oct 16, 20261180
Oct 15, 20261180
Oct 14, 20261180
Oct 13, 2026118+10
Oct 09, 20261080
Oct 08, 20261080
Oct 07, 20261080
Oct 06, 2026108+11
Oct 05, 202697+95
Oct 02, 20262No prior observation