OITracker Cboe delayed data

Contract OI history

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May 21, 2027 EXPIRATION

SAR $30.00 Put

SAR270521P00030000

Latest saved OI1,023Oct 23, 2026
Last change+20vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SAR $30.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,0235110 2026-10-02: 1,003 OI2026-10-05: 1,003 OI2026-10-07: 1,003 OI2026-10-08: 1,003 OI2026-10-09: 1,003 OI2026-10-13: 1,003 OI2026-10-14: 1,003 OI2026-10-16: 1,003 OI2026-10-20: 1,003 OI2026-10-23: 1,023 OI Oct 02, 2026Oct 23, 2026

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

SAR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,023+20
Oct 20, 20261,0030
Oct 16, 20261,0030
Oct 14, 20261,0030
Oct 13, 20261,0030
Oct 09, 20261,0030
Oct 08, 20261,0030
Oct 07, 20261,0030
Oct 05, 20261,0030
Oct 02, 20261,003No prior observation