OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

PR $20.00 Put

PR270115P00020000

Latest saved OI1,372Oct 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 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. 1,3816900 2026-10-02: 1,371 OI2026-10-05: 1,371 OI2026-10-06: 1,371 OI2026-10-07: 1,381 OI2026-10-08: 1,381 OI2026-10-09: 1,381 OI2026-10-13: 1,369 OI2026-10-14: 1,369 OI2026-10-15: 1,368 OI2026-10-16: 1,371 OI2026-10-21: 1,372 OI2026-10-23: 1,372 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, 2026Viewing1,3720
Oct 21, 20261,372+1
Oct 16, 20261,371+3
Oct 15, 20261,368-1
Oct 14, 20261,3690
Oct 13, 20261,369-12
Oct 09, 20261,3810
Oct 08, 20261,3810
Oct 07, 20261,381+10
Oct 06, 20261,3710
Oct 05, 20261,3710
Oct 02, 20261,371No prior observation