PEN Short Interest
Penumbra, Inc.
1W: -0.1%
1M: +1.6%
3M: +1.2%
YTD: +4.8%
1Y: +28.1%
3Y: +57.7%
5Y: +19.0%
$324.04
-1.18 (-0.36%)
Weekly Expected Move ±0.7%
$320
$322
$325
$327
$329
Credit Risk of going bust: lower than 94% of companies Debt: 1.6% of company value Bonds: none of note held by US 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 $0.33 (down 99.9%), Penumbra, Inc. would be worth roughly what it owes.
Total debt $212.7M against a stock market value of $12.76B.
Distance to default 18.42 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $106.4M (short-term plus half of long-term), stock volatility 26.3%; Altman Z 19.25. 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 $0.33 (down 99.9%), Penumbra, Inc. would be worth roughly what it owes.
Total debt $212.7M against a stock market value of $12.76B.
Distance to default 18.42 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $106.4M (short-term plus half of long-term), stock volatility 26.3%; Altman Z 19.25. 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
2026-10-2635.4%
Short Ratio
of total volume
53.4%
20-Day Avg
54.1%
50-Day Avg
▼ Falling
5-Day Trend
0.1M
Short Volume
0.2M
Total Volume
Daily Short Volume Ratio
Short Volume vs Total Volume
Exchange Breakdown
2026-10-26| Exchange | Short Volume | Total Volume | Short % |
|---|---|---|---|
| NASDAQ | 55,611 | 150,594 | 36.9% |
| NYSE | 2,271 | 11,990 | 18.9% |
| BATS | 8 | 947 | 0.8% |