TADAX vs. IALAX

Last updated Jun 24, 2026

TADAX (Transamerica US Growth) and IALAX (Transamerica Capital Growth Fund) are both Large Cap Growth Equities funds from Transamerica. Over the past 10 years, TADAX returned 16.81%/yr vs 14.47%/yr for IALAX. Their correlation of 0.82 suggests significant overlap in exposure. TADAX charges 1.02%/yr vs 1.01%/yr for IALAX.

Performance

TADAX vs. IALAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Transamerica US Growth (TADAX) and Transamerica Capital Growth Fund (IALAX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TADAX achieves a 5.83% return, which is significantly higher than IALAX's -6.69% return. Over the past 10 years, TADAX has outperformed IALAX with an annualized return of 16.81%, while IALAX has yielded a comparatively lower 14.47% annualized return.

TADAX

• 1D: -1.37%
• 1M: 0.03%
• YTD: 5.83%
• 6M: 4.48%
• 1Y: 22.15%
• 3Y*: 21.32%
• 5Y*: 11.22%
• 10Y*: 16.81%

IALAX

• 1D: -2.00%
• 1M: -2.26%
• YTD: -6.69%
• 6M: -10.66%
• 1Y: -2.35%
• 3Y*: 23.00%
• 5Y*: -2.92%
• 10Y*: 14.47%

*Multi-year figures are annualized to reflect compound growth (CAGR)

TADAX vs. IALAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TADAX Transamerica US Growth	5.83%	17.09%	28.81%	41.45%	-31.60%	20.65%	35.85%	39.41%	-0.52%	28.71%
IALAX Transamerica Capital Growth Fund	-6.69%	20.54%	43.92%	47.30%	-60.39%	0.10%	111.63%	21.63%	6.59%	43.81%

Correlation

The correlation between TADAX and IALAX is 0.76, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.76
Correlation (3Y) Calculated over the trailing 3-year period	0.76
Correlation (5Y) Calculated over the trailing 5-year period	0.79
Correlation (10Y) Calculated over the trailing 10-year period	0.79
Correlation (All Time) Calculated using the full available price history since Jan 4, 2010	0.82

The correlation between TADAX and IALAX has been stable across timeframes, ranging from 0.76 to 0.82 - a consistent structural relationship.

Return for Risk

TADAX vs. IALAX — Risk / Return Rank

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

TADAX

TADAX Risk / Return Rank: 22
TADAX Sharpe Ratio Rank: 25
TADAX Sortino Ratio Rank: 23
TADAX Omega Ratio Rank: 24
TADAX Calmar Ratio Rank: 18
TADAX Martin Ratio Rank: 21

IALAX

IALAX Risk / Return Rank: 3
IALAX Sharpe Ratio Rank: 3
IALAX Sortino Ratio Rank: 3
IALAX Omega Ratio Rank: 3
IALAX Calmar Ratio Rank: 3
IALAX Martin Ratio Rank: 3

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.

TADAX vs. IALAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Transamerica US Growth (TADAX) and Transamerica Capital Growth Fund (IALAX). 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.

	TADAX	IALAX	Difference
Sharpe ratio: Return per unit of total volatility	1.33	-0.01	+1.34
Sortino ratio: Return per unit of downside risk	1.85	0.20	+1.65
Omega ratio: Gain probability vs. loss probability	1.24	1.02	+0.21
Calmar ratio: Return relative to maximum drawdown	1.44	-0.01	+1.45
Martin ratio: Return relative to average drawdown	4.83	-0.02	+4.85

TADAX vs. IALAX - Sharpe Ratio Comparison

The current TADAX Sharpe Ratio is 1.33, which is higher than the IALAX Sharpe Ratio of -0.01. The chart below compares the historical Sharpe Ratios of TADAX and IALAX, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

TADAX vs. IALAX - Drawdown Comparison

The maximum TADAX drawdown since its inception was -39.29%, smaller than the maximum IALAX drawdown of -69.30%. Use the drawdown chart below to compare losses from any high point for TADAX and IALAX.

Drawdown Indicators

	TADAX	IALAX	Difference
Max Drawdown Largest peak-to-trough decline	-39.29%	-69.30%	+30.01%
Max Drawdown (1Y) Largest decline over 1 year	-16.48%	-29.07%	+12.59%
Max Drawdown (3Y) Largest decline over 3 years	-24.04%	-32.33%	+8.29%
Max Drawdown (5Y) Largest decline over 5 years	-39.29%	-69.30%	+30.01%
Max Drawdown (10Y) Largest decline over 10 years	-39.29%	-69.30%	+30.01%
Current Drawdown Current decline from peak	-4.14%	-23.76%	+19.62%
Average Drawdown Average peak-to-trough decline	-6.39%	-14.85%	+8.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.90%	14.28%	-9.38%

Volatility

TADAX vs. IALAX - Volatility Comparison

The current volatility for Transamerica US Growth (TADAX) is 7.37%, while Transamerica Capital Growth Fund (IALAX) has a volatility of 10.94%. This indicates that TADAX experiences smaller price fluctuations and is considered to be less risky than IALAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TADAX	IALAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.37%	10.94%	-3.57%
Volatility (6M) Calculated over the trailing 6-month period	14.05%	23.71%	-9.66%
Volatility (1Y) Calculated over the trailing 1-year period	17.92%	30.05%	-12.13%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	23.32%	41.89%	-18.57%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.05%	34.84%	-12.79%

TADAX vs. IALAX - Expense Ratio Comparison

TADAX has a 1.02% expense ratio, which is higher than IALAX's 1.01% expense ratio.

Dividends

TADAX vs. IALAX - Dividend Comparison

TADAX's dividend yield for the trailing twelve months is around 4.34%, while IALAX has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IALAX Transamerica Capital Growth Fund	0.00%	0.00%	0.00%	0.00%	0.00%	20.49%	5.37%	10.49%	4.92%	23.22%	22.63%	3.34%
TADAX Transamerica US Growth	4.34%	4.59%	16.73%	3.66%	4.60%	13.56%	9.73%	8.29%	12.42%	10.92%	2.29%	2.47%

Frequently Asked Questions

Can I hold both TADAX and IALAX in my portfolio?

TADAX and IALAX have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TADAX or IALAX?

IALAX has higher volatility (10.94%) compared to TADAX (7.37%). In terms of maximum drawdown, TADAX dropped -39.29% vs IALAX's -69.30%.

Which has better risk-adjusted returns?

TADAX currently has the higher Sharpe Ratio (1.33 vs -0.01), 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.