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Contract OI history

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Dec 18, 2026 EXPIRATION

SIRI $27.00 Call

SIRI261218C00027000

Latest saved OI407Oct 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 $27.00 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. 4072030 2026-10-09: 391 OI2026-10-13: 392 OI2026-10-14: 392 OI2026-10-15: 393 OI2026-10-16: 394 OI2026-10-21: 406 OI2026-10-23: 407 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, 2026407+1
Oct 21, 2026Viewing406+12
Oct 16, 2026394+1
Oct 15, 2026393+1
Oct 14, 20263920
Oct 13, 2026392+1
Oct 09, 2026391No prior observation