OITracker Cboe delayed data

Contract OI history

Back to D

Nov 20, 2026 EXPIRATION

D $57.50 Put

D261120P00057500

Latest saved OI52Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
D $57.50 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. 55270 2026-10-02: 11 OI2026-10-05: 11 OI2026-10-06: 37 OI2026-10-07: 37 OI2026-10-08: 37 OI2026-10-09: 39 OI2026-10-13: 40 OI2026-10-14: 40 OI2026-10-15: 39 OI2026-10-16: 39 OI2026-10-21: 55 OI2026-10-23: 52 OI Oct 02, 2026Oct 23, 2026

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

D contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing52-3
Oct 21, 202655+16
Oct 16, 2026390
Oct 15, 202639-1
Oct 14, 2026400
Oct 13, 202640+1
Oct 09, 202639+2
Oct 08, 2026370
Oct 07, 2026370
Oct 06, 202637+26
Oct 05, 2026110
Oct 02, 202611No prior observation