$128.48
+11.49% past month
Notable price movement
Oct 26, 2026
$128.01+1.89%
Comparable listed companies in Biological Products (No Diagnostic Substances) rose 1.60% on average, with all 6 of 6 higher . The company's 1.89% gain came alongside that sector move. Volume was 0.5x its trailing 20-session average, and the session traded in a range of 1.7% of the low .
Oct 23, 2026
$125.63+0.88%
Oct 22, 2026
$124.54-0.23%
Oct 21, 2026
$124.83+0.37%
Oct 20, 2026
$124.37+1.53%
Comparable listed companies in biological products rose 2.35% on average, with all 6 of the 6 gaining . The company's 1.53% rise came alongside that sector-wide advance and was smaller than the cohort average .
Oct 19, 2026
$122.50+0.54%
Comparable listed companies in Biological Products rose 1.29% on average, with five of six rising . HALO's 0.54% gain came alongside that sector advance and was smaller than the cohort average .
Oct 16, 2026
$121.84+0.27%
Comparable listed companies in Biological Products (No Diagnostic Substances) fell 2.64% on average, with 5 of 6 declining . HALO closed up 0.27%, so its move ran against the direction of the comparable companies rather than with them .
Closing prices for HALO. Summaries describe past sessions only and are not advice, a forecast or a recommendation.
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