OITracker Cboe delayed data

Contract OI history

Back to ET

Jan 21, 2028 EXPIRATION

ET $13.00 Put

ET280121P00013000

Latest saved OI10,215Oct 08, 2026
Last change0vs previous saved observation
Saved market days5Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ET $13.00 put open interest history 5 saved observations from 2026-10-02 to 2026-10-08. Exact values and changes are listed in the table below. 10,2155,1070 2026-10-02: 10,215 OI2026-10-05: 10,215 OI2026-10-06: 10,215 OI2026-10-07: 10,215 OI2026-10-08: 10,215 OI Oct 02, 2026Oct 08, 2026

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

ET contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 08, 2026Viewing10,2150
Oct 07, 202610,2150
Oct 06, 202610,2150
Oct 05, 202610,2150
Oct 02, 202610,215No prior observation