OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

PR $20.00 Call

PR280121C00020000

Latest saved OI607Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
PR $20.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 6273130 2026-10-02: 617 OI2026-10-05: 617 OI2026-10-06: 617 OI2026-10-07: 627 OI2026-10-08: 627 OI2026-10-09: 627 OI2026-10-13: 627 OI2026-10-14: 627 OI2026-10-15: 627 OI2026-10-16: 617 OI2026-10-21: 607 OI2026-10-23: 607 OI Oct 02, 2026Oct 23, 2026

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

PR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing6070
Oct 21, 2026607-10
Oct 16, 2026617-10
Oct 15, 20266270
Oct 14, 20266270
Oct 13, 20266270
Oct 09, 20266270
Oct 08, 20266270
Oct 07, 2026627+10
Oct 06, 20266170
Oct 05, 20266170
Oct 02, 2026617No prior observation