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Contract OI history

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Jan 15, 2027 EXPIRATION

SIGA $3.80 Call

SIGA270115C00003800

Latest saved OI938Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
SIGA $3.80 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. 9384690 2026-10-08: 537 OI2026-10-09: 803 OI2026-10-13: 804 OI2026-10-14: 804 OI2026-10-16: 814 OI2026-10-20: 938 OI2026-10-23: 938 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, 20269380
Oct 20, 2026Viewing938+124
Oct 16, 2026814+10
Oct 14, 20268040
Oct 13, 2026804+1
Oct 09, 2026803+266
Oct 08, 2026537No prior observation