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Contract OI history

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Oct 30, 2026 EXPIRATION

SIRI $27.50 Call

SIRI261030C00027500

Latest saved OI215Oct 23, 2026
Last change+53vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
SIRI $27.50 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. 2151070 2026-10-09: 0 OI2026-10-13: 130 OI2026-10-14: 130 OI2026-10-15: 130 OI2026-10-16: 132 OI2026-10-21: 162 OI2026-10-23: 215 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, 2026215+53
Oct 21, 2026Viewing162+30
Oct 16, 2026132+2
Oct 15, 20261300
Oct 14, 20261300
Oct 13, 2026130+130
Oct 09, 20260No prior observation