OITracker Cboe delayed data

Contract OI history

Back to SAN

Jan 21, 2028 EXPIRATION

SAN $20.00 Call

SAN280121C00020000

Latest saved OI2,499Oct 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 $20.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2,5381,2690 2026-10-02: 2,538 OI2026-10-05: 2,538 OI2026-10-06: 2,538 OI2026-10-07: 2,538 OI2026-10-08: 2,538 OI2026-10-09: 2,538 OI2026-10-13: 2,499 OI2026-10-14: 2,499 OI2026-10-15: 2,499 OI2026-10-16: 2,499 OI2026-10-21: 2,499 OI2026-10-23: 2,499 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, 2026Viewing2,4990
Oct 21, 20262,4990
Oct 16, 20262,4990
Oct 15, 20262,4990
Oct 14, 20262,4990
Oct 13, 20262,499-39
Oct 09, 20262,5380
Oct 08, 20262,5380
Oct 07, 20262,5380
Oct 06, 20262,5380
Oct 05, 20262,5380
Oct 02, 20262,538No prior observation