OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

NET $220.00 Put

NET270115P00220000

Latest saved OI548Oct 23, 2026
Last change+4vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
NET $220.00 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. 5482740 2026-10-02: 479 OI2026-10-05: 480 OI2026-10-06: 480 OI2026-10-07: 479 OI2026-10-08: 479 OI2026-10-09: 479 OI2026-10-13: 480 OI2026-10-14: 480 OI2026-10-15: 485 OI2026-10-16: 485 OI2026-10-21: 544 OI2026-10-23: 548 OI Oct 02, 2026Oct 23, 2026

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

NET contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing548+4
Oct 21, 2026544+59
Oct 16, 20264850
Oct 15, 2026485+5
Oct 14, 20264800
Oct 13, 2026480+1
Oct 09, 20264790
Oct 08, 20264790
Oct 07, 2026479-1
Oct 06, 20264800
Oct 05, 2026480+1
Oct 02, 2026479No prior observation