OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

DE $640.00 Put

DE270115P00640000

Latest saved OI321Oct 23, 2026
Last change+15vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
DE $640.00 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. 3211600 2026-10-02: 158 OI2026-10-05: 301 OI2026-10-06: 307 OI2026-10-07: 307 OI2026-10-08: 303 OI2026-10-09: 297 OI2026-10-13: 300 OI2026-10-14: 301 OI2026-10-15: 301 OI2026-10-16: 301 OI2026-10-21: 306 OI2026-10-23: 321 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, 2026Viewing321+15
Oct 21, 2026306+5
Oct 16, 20263010
Oct 15, 20263010
Oct 14, 2026301+1
Oct 13, 2026300+3
Oct 09, 2026297-6
Oct 08, 2026303-4
Oct 07, 20263070
Oct 06, 2026307+6
Oct 05, 2026301+143
Oct 02, 2026158No prior observation