OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

PR $22.00 Put

PR280121P00022000

Latest saved OI232Oct 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 $22.00 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. 2321160 2026-10-02: 32 OI2026-10-05: 32 OI2026-10-06: 32 OI2026-10-07: 32 OI2026-10-08: 32 OI2026-10-09: 32 OI2026-10-13: 232 OI2026-10-14: 232 OI2026-10-15: 232 OI2026-10-16: 232 OI2026-10-21: 232 OI2026-10-23: 232 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, 2026Viewing2320
Oct 21, 20262320
Oct 16, 20262320
Oct 15, 20262320
Oct 14, 20262320
Oct 13, 2026232+200
Oct 09, 2026320
Oct 08, 2026320
Oct 07, 2026320
Oct 06, 2026320
Oct 05, 2026320
Oct 02, 202632No prior observation