OITracker Cboe delayed data

Contract OI history

Back to A

Jan 15, 2027 EXPIRATION

A $170.00 Put

A270115P00170000

Latest saved OI23Oct 23, 2026
Last change0vs 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. 24120 2026-10-02: 20 OI2026-10-05: 24 OI2026-10-06: 24 OI2026-10-07: 24 OI2026-10-08: 24 OI2026-10-09: 24 OI2026-10-13: 24 OI2026-10-14: 24 OI2026-10-15: 24 OI2026-10-16: 24 OI2026-10-21: 23 OI2026-10-23: 23 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, 2026Viewing230
Oct 21, 202623-1
Oct 16, 2026240
Oct 15, 2026240
Oct 14, 2026240
Oct 13, 2026240
Oct 09, 2026240
Oct 08, 2026240
Oct 07, 2026240
Oct 06, 2026240
Oct 05, 202624+4
Oct 02, 202620No prior observation