OITracker Cboe delayed data

Contract OI history

Back to DOW

Sep 17, 2027 EXPIRATION

DOW $30.00 Put

DOW270917P00030000

Latest saved OI509Oct 23, 2026
Last change+40vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DOW $30.00 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. 5092540 2026-10-02: 412 OI2026-10-05: 412 OI2026-10-06: 412 OI2026-10-07: 415 OI2026-10-08: 415 OI2026-10-09: 415 OI2026-10-13: 420 OI2026-10-14: 420 OI2026-10-15: 420 OI2026-10-16: 420 OI2026-10-21: 469 OI2026-10-23: 509 OI Oct 02, 2026Oct 23, 2026

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

DOW contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing509+40
Oct 21, 2026469+49
Oct 16, 20264200
Oct 15, 20264200
Oct 14, 20264200
Oct 13, 2026420+5
Oct 09, 20264150
Oct 08, 20264150
Oct 07, 2026415+3
Oct 06, 20264120
Oct 05, 20264120
Oct 02, 2026412No prior observation