OITracker Cboe delayed data

Contract OI history

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Mar 19, 2027 EXPIRATION

SAN $13.00 Put

SAN270319P00013000

Latest saved OI1,776Oct 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 $13.00 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. 1,8519250 2026-10-02: 1,843 OI2026-10-05: 1,851 OI2026-10-06: 1,850 OI2026-10-07: 1,850 OI2026-10-08: 1,850 OI2026-10-09: 1,849 OI2026-10-13: 1,849 OI2026-10-14: 1,849 OI2026-10-15: 1,849 OI2026-10-16: 1,849 OI2026-10-21: 1,776 OI2026-10-23: 1,776 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, 20261,7760
Oct 21, 2026Viewing1,776-73
Oct 16, 20261,8490
Oct 15, 20261,8490
Oct 14, 20261,8490
Oct 13, 20261,8490
Oct 09, 20261,849-1
Oct 08, 20261,8500
Oct 07, 20261,8500
Oct 06, 20261,850-1
Oct 05, 20261,851+8
Oct 02, 20261,843No prior observation