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Contract OI history

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Nov 20, 2026 EXPIRATION

IRDM $55.00 Call

IRDM261120C00055000

Latest saved OI196Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
IRDM $55.00 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. 2351170 2026-10-09: 235 OI2026-10-13: 186 OI2026-10-14: 186 OI2026-10-15: 185 OI2026-10-16: 172 OI2026-10-21: 196 OI2026-10-23: 196 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

IRDM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1960
Oct 21, 2026196+24
Oct 16, 2026172-13
Oct 15, 2026185-1
Oct 14, 20261860
Oct 13, 2026186-49
Oct 09, 2026235No prior observation