OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

SAR $17.50 Put

SAR261120P00017500

Latest saved OI1,268Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SAR $17.50 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. 1,2866430 2026-10-02: 1,265 OI2026-10-05: 1,265 OI2026-10-07: 1,286 OI2026-10-08: 1,267 OI2026-10-09: 1,266 OI2026-10-13: 1,266 OI2026-10-14: 1,268 OI2026-10-16: 1,268 OI2026-10-20: 1,268 OI2026-10-23: 1,268 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, 2026Viewing1,2680
Oct 20, 20261,2680
Oct 16, 20261,2680
Oct 14, 20261,268+2
Oct 13, 20261,2660
Oct 09, 20261,266-1
Oct 08, 20261,267-19
Oct 07, 20261,286+21
Oct 05, 20261,2650
Oct 02, 20261,265No prior observation