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Contract OI history

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Jan 21, 2028 EXPIRATION

SIRI $25.00 Put

SIRI280121P00025000

Latest saved OI423Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SIRI $25.00 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. 4232110 2026-10-09: 414 OI2026-10-13: 415 OI2026-10-14: 415 OI2026-10-15: 415 OI2026-10-16: 422 OI2026-10-21: 422 OI2026-10-23: 423 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, 2026423+1
Oct 21, 2026Viewing4220
Oct 16, 2026422+7
Oct 15, 20264150
Oct 14, 20264150
Oct 13, 2026415+1
Oct 09, 2026414No prior observation