OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

SAN $12.00 Put

SAN270319P00012000

Latest saved OI1,930Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
SAN $12.00 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. 1,9309650 2026-10-02: 1,860 OI2026-10-05: 1,860 OI2026-10-06: 1,860 OI2026-10-07: 1,860 OI2026-10-08: 1,860 OI2026-10-09: 1,859 OI2026-10-13: 1,859 OI2026-10-14: 1,929 OI2026-10-15: 1,929 OI2026-10-16: 1,929 OI2026-10-21: 1,930 OI2026-10-23: 1,930 OI Oct 02, 2026Oct 23, 2026

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

SAN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,9300
Oct 21, 20261,930+1
Oct 16, 20261,9290
Oct 15, 20261,9290
Oct 14, 20261,929+70
Oct 13, 20261,8590
Oct 09, 20261,859-1
Oct 08, 20261,8600
Oct 07, 20261,8600
Oct 06, 20261,8600
Oct 05, 20261,8600
Oct 02, 20261,860No prior observation