OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

SAN $10.00 Put

SAN280121P00010000

Latest saved OI1,647Oct 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 $10.00 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. 1,6488240 2026-10-02: 1,645 OI2026-10-05: 1,645 OI2026-10-06: 1,645 OI2026-10-07: 1,645 OI2026-10-08: 1,645 OI2026-10-09: 1,648 OI2026-10-13: 1,648 OI2026-10-14: 1,648 OI2026-10-15: 1,648 OI2026-10-16: 1,648 OI2026-10-21: 1,647 OI2026-10-23: 1,647 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, 20261,6470
Oct 21, 2026Viewing1,647-1
Oct 16, 20261,6480
Oct 15, 20261,6480
Oct 14, 20261,6480
Oct 13, 20261,6480
Oct 09, 20261,648+3
Oct 08, 20261,6450
Oct 07, 20261,6450
Oct 06, 20261,6450
Oct 05, 20261,6450
Oct 02, 20261,645No prior observation