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CPGAX vs. PGTIX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

CPGAX vs. PGTIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in American Funds Global Growth Portfolio (CPGAX) and T. Rowe Price Global Technology Fund I Class (PGTIX). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, CPGAX achieves a 12.00% return, which is significantly lower than PGTIX's 35.11% return.


CPGAX

1D
0.00%
1M
1.31%
6M
7.70%
YTD
12.00%
1Y
22.95%
3Y*
19.29%
5Y*
8.37%
10Y*
12.26%

PGTIX

1D
0.28%
1M
-0.08%
6M
31.05%
YTD
35.11%
1Y
54.90%
3Y*
36.38%
5Y*
8.37%
10Y*
*Multi-year figures are annualized to reflect compound growth (CAGR)

CPGAX vs. PGTIX - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
CPGAX
American Funds Global Growth Portfolio
12.00%22.99%14.81%24.05%-25.77%12.89%27.36%27.87%-8.99%28.56%
PGTIX
T. Rowe Price Global Technology Fund I Class
35.11%27.48%33.33%56.25%-55.48%8.92%75.98%34.28%-9.95%45.22%

Correlation

The correlation between CPGAX and PGTIX is 0.84, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.


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

0.84

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

0.84

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

0.85

Correlation (All Time)
Calculated using the full available price history since Jan 3, 2017

0.84

The correlation between CPGAX and PGTIX has been stable across timeframes, ranging from 0.84 to 0.85 - a consistent structural relationship.

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Return for Risk

CPGAX vs. PGTIX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

CPGAX
CPGAX Risk / Return Rank: 4343
Overall Rank
CPGAX Sharpe Ratio Rank: 4242
Sharpe Ratio Rank
CPGAX Sortino Ratio Rank: 4040
Sortino Ratio Rank
CPGAX Omega Ratio Rank: 4242
Omega Ratio Rank
CPGAX Calmar Ratio Rank: 4242
Calmar Ratio Rank
CPGAX Martin Ratio Rank: 5252
Martin Ratio Rank

PGTIX
PGTIX Risk / Return Rank: 7878
Overall Rank
PGTIX Sharpe Ratio Rank: 7878
Sharpe Ratio Rank
PGTIX Sortino Ratio Rank: 6363
Sortino Ratio Rank
PGTIX Omega Ratio Rank: 7171
Omega Ratio Rank
PGTIX Calmar Ratio Rank: 9494
Calmar Ratio Rank
PGTIX Martin Ratio Rank: 8484
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.

CPGAX vs. PGTIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for American Funds Global Growth Portfolio (CPGAX) and T. Rowe Price Global Technology Fund I Class (PGTIX). 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.


CPGAXPGTIXDifference
Sharpe ratioReturn per unit of total volatility

-0.57

Sortino ratioReturn per unit of downside risk

-0.46

Omega ratioGain probability vs. loss probability

1.26

1.35

-0.08

Calmar ratioReturn relative to maximum drawdown

1.97

4.21

-2.24

Martin ratioReturn relative to average drawdown

8.46

11.80

-3.34

CPGAX vs. PGTIX - Sharpe Ratio Comparison

The current CPGAX Sharpe Ratio is 1.43, which is comparable to the PGTIX Sharpe Ratio of 2.00. The chart below compares the historical Sharpe Ratios of CPGAX and PGTIX, 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

CPGAX vs. PGTIX - Drawdown Comparison

The maximum CPGAX drawdown since its inception was -34.42%, smaller than the maximum PGTIX drawdown of -65.26%. Use the drawdown chart below to compare losses from any high point for CPGAX and PGTIX.


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Drawdown Indicators


CPGAXPGTIXDifference

Max Drawdown

Largest peak-to-trough decline

-34.42%

-65.26%

+30.84%

Max Drawdown (1Y)

Largest decline over 1 year

-11.33%

-12.99%

+1.66%

Max Drawdown (3Y)

Largest decline over 3 years

-17.99%

-26.71%

+8.72%

Max Drawdown (5Y)

Largest decline over 5 years

-34.42%

-65.26%

+30.84%

Max Drawdown (10Y)

Largest decline over 10 years

-34.42%

Current Drawdown

Current decline from peak

-1.34%

-6.32%

+4.98%

Average Drawdown

Average peak-to-trough decline

-5.90%

-18.86%

+12.96%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.63%

4.62%

-1.99%

Volatility

CPGAX vs. PGTIX - Volatility Comparison

The current volatility for American Funds Global Growth Portfolio (CPGAX) is 6.13%, while T. Rowe Price Global Technology Fund I Class (PGTIX) has a volatility of 12.99%. This indicates that CPGAX experiences smaller price fluctuations and is considered to be less risky than PGTIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


CPGAXPGTIXDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.13%

12.99%

-6.86%

Volatility (6M)

Calculated over the trailing 6-month period

13.24%

23.72%

-10.48%

Volatility (1Y)

Calculated over the trailing 1-year period

15.63%

27.32%

-11.69%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

17.32%

32.41%

-15.09%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

17.27%

29.22%

-11.95%

CPGAX vs. PGTIX - Expense Ratio Comparison

CPGAX has a 0.40% expense ratio, which is lower than PGTIX's 0.78% expense ratio.


Dividends

CPGAX vs. PGTIX - Dividend Comparison

CPGAX's dividend yield for the trailing twelve months is around 4.99%, while PGTIX has not paid dividends to shareholders.


PositionTTM20252024202320222021202020192018201720162015
CPGAX
American Funds Global Growth Portfolio
4.99%5.59%4.29%0.92%7.95%3.33%0.77%4.89%5.69%6.21%3.66%3.92%
PGTIX
T. Rowe Price Global Technology Fund I Class
0.00%0.00%0.00%0.00%3.27%27.92%5.04%0.07%24.92%15.91%0.00%0.00%

Frequently Asked Questions


CPGAX and PGTIX have a correlation of 0.84, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

PGTIX has higher volatility (12.99%) compared to CPGAX (6.13%). In terms of maximum drawdown, CPGAX dropped -34.42% vs PGTIX's -65.26%.

PGTIX currently has the higher Sharpe Ratio (2.00 vs 1.43), 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.

Portfolio Optimizer

Find the right allocation for CPGAX and PGTIX

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