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DNN vs. IBB
Performance
Return for Risk
Drawdowns
Volatility
Dividends

DNN vs. IBB

Last updated Jun 24, 2026

DNN (Denison Mines Corp) is a stock, while IBB (iShares Nasdaq Biotechnology ETF) is Health & Biotech Equities fund tracking the NASDAQ Biotechnology Index. Over the past 10 years, DNN returned 19.73%/yr vs 8.21%/yr for IBB. At a 0.27 correlation, their price movements are largely independent.

Performance

DNN vs. IBB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Denison Mines Corp (DNN) and iShares Nasdaq Biotechnology ETF (IBB). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, DNN achieves a 22.93% return, which is significantly higher than IBB's 5.61% return. Over the past 10 years, DNN has outperformed IBB with an annualized return of 19.73%, while IBB has yielded a comparatively lower 8.21% annualized return.

DNN

1D
0.00%
1M
1.24%
YTD
22.93%
6M
17.63%
1Y
86.86%
3Y*
40.46%
5Y*
19.36%
10Y*
19.73%

IBB

1D
0.62%
1M
5.52%
YTD
5.61%
6M
3.57%
1Y
42.90%
3Y*
11.80%
5Y*
2.21%
10Y*
8.21%
*Multi-year figures are annualized to reflect compound growth (CAGR)

DNN vs. IBB - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
DNN
Denison Mines Corp		22.93%47.78%1.69%53.91%-16.06%111.75%54.05%-9.48%-15.64%6.86%
IBB
iShares Nasdaq Biotechnology ETF		5.61%27.98%-2.41%3.76%-13.69%0.95%26.01%25.42%-9.53%21.08%

Correlation

The correlation between DNN and IBB is 0.23, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.23

Correlation (3Y)
Calculated over the trailing 3-year period

0.20

Correlation (5Y)
Calculated over the trailing 5-year period

0.31

Correlation (10Y)
Calculated over the trailing 10-year period

0.29

Correlation (All Time)
Calculated using the full available price history since Feb 9, 2005

0.27

The correlation between DNN and IBB shifts across timeframes, from 0.20 (3 years) to 0.31 (5 years), reflecting how their relationship changes across market environments.

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Denison Mines Corp

iShares Nasdaq Biotechnology ETF

Often compared with DNN:
DNN vs. UECDNN vs. CCJDNN vs. NXEDNN vs. UUUUDNN vs. UROYDNN vs. URGDNN vs. LEU
Often compared with IBB:
IBB vs. XBIIBB vs. ARKGIBB vs. XLVIBB vs. IBBQIBB vs. BBHIBB vs. SPYIBB vs. FBIOX

Return for Risk

DNN vs. IBB — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
DNN
DNN Risk / Return Rank: 7878
Overall Rank
DNN Sharpe Ratio Rank: 8181
Sharpe Ratio Rank
DNN Sortino Ratio Rank: 7777
Sortino Ratio Rank
DNN Omega Ratio Rank: 7474
Omega Ratio Rank
DNN Calmar Ratio Rank: 8080
Calmar Ratio Rank
DNN Martin Ratio Rank: 8080
Martin Ratio Rank
IBB
IBB Risk / Return Rank: 7171
Overall Rank
IBB Sharpe Ratio Rank: 6868
Sharpe Ratio Rank
IBB Sortino Ratio Rank: 6868
Sortino Ratio Rank
IBB Omega Ratio Rank: 6060
Omega Ratio Rank
IBB Calmar Ratio Rank: 8585
Calmar Ratio Rank
IBB Martin Ratio Rank: 7575
Martin Ratio Rank
The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

DNN vs. IBB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Denison Mines Corp (DNN) and iShares Nasdaq Biotechnology ETF (IBB). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

DNNIBBDifference
Sharpe ratioReturn per unit of total volatility
1.45
2.12

-0.67

Sortino ratioReturn per unit of downside risk
2.06
2.96

-0.90

Omega ratioGain probability vs. loss probability

1.24

1.35

-0.11

Calmar ratioReturn relative to maximum drawdown

2.48

4.47

-2.00

Martin ratioReturn relative to average drawdown

6.13

13.77

-7.64

DNN vs. IBB - Sharpe Ratio Comparison

The current DNN Sharpe Ratio is 1.45, which is lower than the IBB Sharpe Ratio of 2.12. The chart below compares the historical Sharpe Ratios of DNN and IBB, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

DNN vs. IBB - Drawdown Comparison

The maximum DNN drawdown since its inception was -98.96%, which is greater than IBB's maximum drawdown of -62.85%. Use the drawdown chart below to compare losses from any high point for DNN and IBB.

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Drawdown Indicators

DNNIBBDifference

Max Drawdown

Largest peak-to-trough decline

-98.96%

-62.85%

-36.11%

Max Drawdown (1Y)

Largest decline over 1 year

-35.24%

-9.63%

-25.61%

Max Drawdown (3Y)

Largest decline over 3 years

-52.48%

-24.85%

-27.63%

Max Drawdown (5Y)

Largest decline over 5 years

-55.66%

-39.82%

-15.84%

Max Drawdown (10Y)

Largest decline over 10 years

-75.90%

-39.82%

-36.08%

Current Drawdown

Current decline from peak

-83.04%

0.00%

-83.04%

Average Drawdown

Average peak-to-trough decline

-85.05%

-21.14%

-63.91%

Ulcer Index

Depth and duration of drawdowns from previous peaks

14.22%

3.12%

+11.10%

Volatility

DNN vs. IBB - Volatility Comparison

Denison Mines Corp (DNN) has a higher volatility of 20.48% compared to iShares Nasdaq Biotechnology ETF (IBB) at 6.95%. This indicates that DNN's price experiences larger fluctuations and is considered to be riskier than IBB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

DNNIBBDifference

Volatility (1M)

Calculated over the trailing 1-month period

20.48%

6.95%

+13.53%

Volatility (6M)

Calculated over the trailing 6-month period

46.54%

15.98%

+30.56%

Volatility (1Y)

Calculated over the trailing 1-year period

60.27%

20.34%

+39.93%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

63.45%

22.03%

+41.42%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

64.32%

23.17%

+41.15%

Dividends

DNN vs. IBB - Dividend Comparison

DNN has not paid dividends to shareholders, while IBB's dividend yield for the trailing twelve months is around 0.23%.

PositionTTM20252024202320222021202020192018201720162015
DNN
Denison Mines Corp		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
IBB
iShares Nasdaq Biotechnology ETF		0.23%0.23%0.29%0.26%0.31%0.21%0.21%0.33%0.20%0.30%0.19%0.03%

Frequently Asked Questions

DNN and IBB have a correlation of 0.23, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

DNN has higher volatility (20.48%) compared to IBB (6.95%). In terms of maximum drawdown, DNN dropped -98.96% vs IBB's -62.85%.

IBB currently has the higher Sharpe Ratio (2.12 vs 1.45), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.

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