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Contract OI history

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Jan 21, 2028 EXPIRATION

SIRI $18.00 Call

SIRI280121C00018000

Latest saved OI398Oct 23, 2026
Last change-2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SIRI $18.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 4012000 2026-10-09: 401 OI2026-10-13: 400 OI2026-10-14: 400 OI2026-10-15: 400 OI2026-10-16: 400 OI2026-10-21: 400 OI2026-10-23: 398 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, 2026398-2
Oct 21, 2026Viewing4000
Oct 16, 20264000
Oct 15, 20264000
Oct 14, 20264000
Oct 13, 2026400-1
Oct 09, 2026401No prior observation