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Contract OI history

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Dec 18, 2026 EXPIRATION

SIRI $28.00 Call

SIRI261218C00028000

Latest saved OI242Oct 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 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. 2561280 2026-10-09: 137 OI2026-10-13: 251 OI2026-10-14: 251 OI2026-10-15: 256 OI2026-10-16: 256 OI2026-10-21: 242 OI2026-10-23: 242 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, 20262420
Oct 21, 2026Viewing242-14
Oct 16, 20262560
Oct 15, 2026256+5
Oct 14, 20262510
Oct 13, 2026251+114
Oct 09, 2026137No prior observation