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Contract OI history

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Nov 20, 2026 EXPIRATION

FIBK $35.00 Call

FIBK261120C00035000

Latest saved OI14Oct 23, 2026
Last change0vs previous saved observation
Saved market days6Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
FIBK $35.00 call open interest history 6 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1470 2026-10-09: 11 OI2026-10-13: 11 OI2026-10-14: 11 OI2026-10-16: 11 OI2026-10-20: 14 OI2026-10-23: 14 OI Oct 09, 2026Oct 23, 2026

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

FIBK contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing140
Oct 20, 202614+3
Oct 16, 2026110
Oct 14, 2026110
Oct 13, 2026110
Oct 09, 202611No prior observation