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Contract OI history

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Nov 20, 2026 EXPIRATION

SIRI $27.00 Put

SIRI261120P00027000

Latest saved OI501Oct 23, 2026
Last change0vs 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. 5012500 2026-10-09: 408 OI2026-10-13: 469 OI2026-10-14: 469 OI2026-10-15: 469 OI2026-10-16: 470 OI2026-10-21: 501 OI2026-10-23: 501 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, 20265010
Oct 21, 2026Viewing501+31
Oct 16, 2026470+1
Oct 15, 20264690
Oct 14, 20264690
Oct 13, 2026469+61
Oct 09, 2026408No prior observation