OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

DE $540.00 Put

DE280121P00540000

Latest saved OI18Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DE $540.00 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. 1890 2026-10-02: 17 OI2026-10-05: 17 OI2026-10-06: 17 OI2026-10-07: 18 OI2026-10-08: 18 OI2026-10-09: 18 OI2026-10-13: 18 OI2026-10-14: 18 OI2026-10-15: 18 OI2026-10-16: 18 OI2026-10-21: 18 OI2026-10-23: 18 OI Oct 02, 2026Oct 23, 2026

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

DE contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing180
Oct 21, 2026180
Oct 16, 2026180
Oct 15, 2026180
Oct 14, 2026180
Oct 13, 2026180
Oct 09, 2026180
Oct 08, 2026180
Oct 07, 202618+1
Oct 06, 2026170
Oct 05, 2026170
Oct 02, 202617No prior observation