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Contract OI history

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Nov 20, 2026 EXPIRATION

SIRI $28.00 Put

SIRI261120P00028000

Latest saved OI466Oct 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 $28.00 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. 4662330 2026-10-09: 461 OI2026-10-13: 463 OI2026-10-14: 463 OI2026-10-15: 464 OI2026-10-16: 464 OI2026-10-21: 466 OI2026-10-23: 466 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, 2026Viewing4660
Oct 21, 2026466+2
Oct 16, 20264640
Oct 15, 2026464+1
Oct 14, 20264630
Oct 13, 2026463+2
Oct 09, 2026461No prior observation