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Contract OI history

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Jan 15, 2027 EXPIRATION

SIRI $27.00 Put

SIRI270115P00027000

Latest saved OI480Oct 23, 2026
Last change-16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SIRI $27.00 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. 5002500 2026-10-09: 482 OI2026-10-13: 500 OI2026-10-14: 500 OI2026-10-15: 500 OI2026-10-16: 500 OI2026-10-21: 496 OI2026-10-23: 480 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, 2026480-16
Oct 21, 2026Viewing496-4
Oct 16, 20265000
Oct 15, 20265000
Oct 14, 20265000
Oct 13, 2026500+18
Oct 09, 2026482No prior observation