Also trades as: 0HIY.L (LSE) · $vol 0M
ATRA Short Interest
Atara Biotherapeutics, Inc.
1W: -9.4%
1M: -0.8%
3M: +3.0%
YTD: -53.3%
1Y: -42.7%
3Y: -75.8%
5Y: -97.8%
$8.30
-0.05 (-0.60%)
Pre-Market: $8.67 (+0.37, +4.46%)
Weekly Expected Move ±10.1%
$7
$8
$9
$9
$10
Credit Risk of going bust: higher than 91% of companies Debt: 10.6% of company value Bonds: none of note held by US funds details ▾
Of US companies ranked in the riskiest tenth, about 1 in 20 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $0.25 (down 97%), Atara Biotherapeutics, Inc. would be worth roughly what it owes.
Total debt $9.9M against a stock market value of $83.3M.
Distance to default 1.49 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $4.9M (short-term plus half of long-term), stock volatility 142.0%; Altman Z'' -317.91. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
If the stock fell to about $0.25 (down 97%), Atara Biotherapeutics, Inc. would be worth roughly what it owes.
Total debt $9.9M against a stock market value of $83.3M.
Distance to default 1.49 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $4.9M (short-term plus half of long-term), stock volatility 142.0%; Altman Z'' -317.91. A ranking and a back-test, not a forecast.
US fund filings (SEC N-PORT) show under $25M of this company's bonds, so there is no bond page. Its debt may be bank loans or privately placed. How these are computed.
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Short Volume Summary
2026-10-2782.1%
Short Ratio
of total volume
45.6%
20-Day Avg
46.0%
50-Day Avg
▲ Rising
5-Day Trend
0.0M
Short Volume
0.0M
Total Volume
Daily Short Volume Ratio
Short Volume vs Total Volume
Exchange Breakdown
2026-10-27| Exchange | Short Volume | Total Volume | Short % |
|---|---|---|---|
| NASDAQ | 1,560 | 1,906 | 81.8% |
| NYSE | 154 | 182 | 84.6% |