What changed · written from our data
As of Sep 28, 2026First Trust NYSE Arca Biotechnology Index Fund closed at $273.36 on Sep 28, up 0.18%, 0.2% below its 52-week closing high. Volume of 99.8K shares was 1.42× its 20-day average (above normal).
Split-adjusted performance: -0.2% over one month, +43.7% over six months, +57.0% over one year.
Short interest was 45.1K shares at the Sep 15 settlement, up 81.5% from the prior report (1.6 days to cover).