OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

D $57.50 Put

D280121P00057500

Latest saved OI69Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
D $57.50 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. 71350 2026-10-02: 71 OI2026-10-05: 71 OI2026-10-06: 69 OI2026-10-07: 69 OI2026-10-08: 69 OI2026-10-09: 69 OI2026-10-13: 69 OI2026-10-14: 69 OI2026-10-15: 69 OI2026-10-16: 69 OI2026-10-21: 69 OI2026-10-23: 69 OI Oct 02, 2026Oct 23, 2026

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

D contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing690
Oct 21, 2026690
Oct 16, 2026690
Oct 15, 2026690
Oct 14, 2026690
Oct 13, 2026690
Oct 09, 2026690
Oct 08, 2026690
Oct 07, 2026690
Oct 06, 202669-2
Oct 05, 2026710
Oct 02, 202671No prior observation