ALNY Short Interest
Alnylam Pharmaceuticals, Inc.
1W: -2.4%
1M: -11.1%
3M: -21.1%
YTD: -43.1%
1Y: -50.9%
3Y: +41.8%
5Y: +11.7%
$226.79
-0.87 (-0.38%)
After Hours: $226.09 (-0.70, -0.31%)
Weekly Expected Move ±5.6%
$199
$211
$224
$237
$249
Credit Risk of going bust: lower than 72% of companies Debt: 4.0% of company value Bonds: $81.8M held by 45 funds → details ▾
Of US companies ranked in the safest four tenths, about 1 in 3,500 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $0.82 (down 99.6%), Alnylam Pharmaceuticals, Inc. would be worth roughly what it owes.
Total debt $1.27B against a stock market value of $30.46B.
Distance to default 7.98 (Merton model): prices to 2026-10-26, balance sheet 2026-06-30, debt counted $505.5M (short-term plus half of long-term), stock volatility 51.3%; Altman Z'' 1.62. A ranking and a back-test, not a forecast.
Bond figures are fund-reported marks (SEC N-PORT) as of Jul 2026. How these are computed.
If the stock fell to about $0.82 (down 99.6%), Alnylam Pharmaceuticals, Inc. would be worth roughly what it owes.
Total debt $1.27B against a stock market value of $30.46B.
Distance to default 7.98 (Merton model): prices to 2026-10-26, balance sheet 2026-06-30, debt counted $505.5M (short-term plus half of long-term), stock volatility 51.3%; Altman Z'' 1.62. A ranking and a back-test, not a forecast.
Bond figures are fund-reported marks (SEC N-PORT) as of Jul 2026. How these are computed.
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Short Volume Summary
2026-10-2628.7%
Short Ratio
of total volume
44.2%
20-Day Avg
58.0%
50-Day Avg
▲ Rising
5-Day Trend
0.2M
Short Volume
0.6M
Total Volume
Daily Short Volume Ratio
Short Volume vs Total Volume
Exchange Breakdown
2026-10-26| Exchange | Short Volume | Total Volume | Short % |
|---|---|---|---|
| NASDAQ | 165,016 | 583,549 | 28.3% |
| NYSE | 10,339 | 26,727 | 38.7% |
| BATS | 365 | 1,313 | 27.8% |