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Contract OI history

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Jan 15, 2027 EXPIRATION

SIGA $5.80 Call

SIGA270115C00005800

Latest saved OI1,159Oct 23, 2026
Last change-1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
SIGA $5.80 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 1,1605800 2026-10-08: 946 OI2026-10-09: 947 OI2026-10-13: 1,152 OI2026-10-14: 1,152 OI2026-10-16: 1,160 OI2026-10-20: 1,160 OI2026-10-23: 1,159 OI Oct 08, 2026Oct 23, 2026

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

SIGA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,159-1
Oct 20, 20261,1600
Oct 16, 20261,160+8
Oct 14, 20261,1520
Oct 13, 20261,152+205
Oct 09, 2026947+1
Oct 08, 2026946No prior observation