OITracker Cboe delayed data

Contract OI history

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Dec 17, 2027 EXPIRATION

DE $520.00 Put

DE271217P00520000

Latest saved OI420Oct 23, 2026
Last change+57vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DE $520.00 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. 4202100 2026-10-02: 367 OI2026-10-05: 367 OI2026-10-06: 367 OI2026-10-07: 367 OI2026-10-08: 367 OI2026-10-09: 367 OI2026-10-13: 367 OI2026-10-14: 367 OI2026-10-15: 366 OI2026-10-16: 363 OI2026-10-21: 363 OI2026-10-23: 420 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, 2026Viewing420+57
Oct 21, 20263630
Oct 16, 2026363-3
Oct 15, 2026366-1
Oct 14, 20263670
Oct 13, 20263670
Oct 09, 20263670
Oct 08, 20263670
Oct 07, 20263670
Oct 06, 20263670
Oct 05, 20263670
Oct 02, 2026367No prior observation