OITracker Cboe delayed data

Contract OI history

Back to SIRI

Jan 21, 2028 EXPIRATION

SIRI $22.00 Put

SIRI280121P00022000

Latest saved OI123Oct 23, 2026
Last change-10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SIRI $22.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 134670 2026-10-09: 134 OI2026-10-13: 133 OI2026-10-14: 133 OI2026-10-15: 133 OI2026-10-16: 133 OI2026-10-21: 133 OI2026-10-23: 123 OI Oct 09, 2026Oct 23, 2026

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

SIRI contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026123-10
Oct 21, 2026Viewing1330
Oct 16, 20261330
Oct 15, 20261330
Oct 14, 20261330
Oct 13, 2026133-1
Oct 09, 2026134No prior observation