AOTG vs. TRFM

Last updated Jun 5, 2026

AOTG (AOT Growth and Innovation ETF) and TRFM (AAM Transformers ETF) are both Technology Equities funds. AOTG is actively managed, while TRFM is passively managed. Over the past 3 years, AOTG returned 28.98%/yr vs 31.42%/yr for TRFM. Their correlation of 0.90 suggests significant overlap in exposure. AOTG charges 0.75%/yr vs 0.49%/yr for TRFM.

Performance

AOTG vs. TRFM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AOT Growth and Innovation ETF (AOTG) and AAM Transformers ETF (TRFM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, AOTG achieves a 16.15% return, which is significantly lower than TRFM's 29.81% return.

AOTG

• 1D: -0.51%
• 1M: 12.54%
• YTD: 16.15%
• 6M: 14.95%
• 1Y: 39.35%
• 3Y*: 28.98%
• 5Y*: —
• 10Y*: —

TRFM

• 1D: -0.38%
• 1M: 10.30%
• YTD: 29.81%
• 6M: 27.54%
• 1Y: 52.18%
• 3Y*: 31.42%
• 5Y*: —
• 10Y*: —

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

AOTG vs. TRFM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
AOTG AOT Growth and Innovation ETF	16.15%	25.26%	32.20%	54.58%	-11.55%
TRFM AAM Transformers ETF	29.81%	25.76%	19.96%	44.71%	-7.38%

Correlation

The correlation between AOTG and TRFM 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	0.88
Correlation (All Time) Calculated using the full available price history since Jul 13, 2022	0.90

The correlation between AOTG and TRFM has been stable across timeframes, ranging from 0.84 to 0.90 - a consistent structural relationship.

AOTG vs. TRFM - Sectors Allocation Comparison

Sectors	AOTG	TRFM
Technology	62.8%	53.3%
Communication Services	16.3%	12.3%
Financial Services	11.9%	2.8%
Consumer Cyclical	8.1%	17.7%
Industrials	0.7%	7.2%
Healthcare	0.3%	0.2%
Basic Materials	-	1.2%
Consumer Defensive	-	-
Energy	-	3.5%
Real Estate	-	-
Utilities	-	1.7%

Return for Risk

AOTG vs. TRFM — Risk / Return Rank

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

AOTG

AOTG Risk / Return Rank: 42
AOTG Sharpe Ratio Rank: 49
AOTG Sortino Ratio Rank: 45
AOTG Omega Ratio Rank: 46
AOTG Calmar Ratio Rank: 36
AOTG Martin Ratio Rank: 34

TRFM

TRFM Risk / Return Rank: 71
TRFM Sharpe Ratio Rank: 73
TRFM Sortino Ratio Rank: 66
TRFM Omega Ratio Rank: 63
TRFM Calmar Ratio Rank: 79
TRFM Martin Ratio Rank: 73

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.

AOTG vs. TRFM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AOT Growth and Innovation ETF (AOTG) and AAM Transformers ETF (TRFM). 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.

	AOTG	TRFM	Difference
Sharpe ratio: Return per unit of total volatility	1.65	2.34	-0.68
Sortino ratio: Return per unit of downside risk	2.20	2.97	-0.77
Omega ratio: Gain probability vs. loss probability	1.29	1.38	-0.09
Calmar ratio: Return relative to maximum drawdown	1.73	4.04	-2.31
Martin ratio: Return relative to average drawdown	4.98	13.69	-8.71
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AOTG vs. TRFM - Sharpe Ratio Comparison

The current AOTG Sharpe Ratio is 1.65, which is comparable to the TRFM Sharpe Ratio of 2.34. The chart below compares the historical Sharpe Ratios of AOTG and TRFM, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	AOTG	TRFM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.65	2.34	-0.68
Sharpe Ratio (All Time) Calculated using the full available price history	0.96	1.05	-0.09

Drawdowns

AOTG vs. TRFM - Drawdown Comparison

The maximum AOTG drawdown since its inception was -31.63%, which is greater than TRFM's maximum drawdown of -28.40%. Use the drawdown chart below to compare losses from any high point for AOTG and TRFM.

Drawdown Indicators

	AOTG	TRFM	Difference
Max Drawdown Largest peak-to-trough decline	-31.63%	-28.40%	-3.23%
Max Drawdown (1Y) Largest decline over 1 year	-22.85%	-12.99%	-9.86%
Max Drawdown (3Y) Largest decline over 3 years	-27.41%	-28.40%	+0.99%
Current Drawdown Current decline from peak	-2.81%	-1.60%	-1.21%
Average Drawdown Average peak-to-trough decline	-7.89%	-6.61%	-1.28%
Ulcer Index Depth and duration of drawdowns from previous peaks	7.93%	3.82%	+4.11%

Volatility

AOTG vs. TRFM - Volatility Comparison

AOT Growth and Innovation ETF (AOTG) and AAM Transformers ETF (TRFM) have volatilities of 7.56% and 7.33%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AOTG	TRFM	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.56%	7.33%	+0.23%
Volatility (6M) Calculated over the trailing 6-month period	18.77%	17.46%	+1.31%
Volatility (1Y) Calculated over the trailing 1-year period	23.89%	22.44%	+1.45%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.26%	26.92%	+2.34%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.26%	26.92%	+2.34%

AOTG vs. TRFM - Expense Ratio Comparison

AOTG has a 0.75% expense ratio, which is higher than TRFM's 0.49% expense ratio.

Dividends

AOTG vs. TRFM - Dividend Comparison

AOTG has not paid dividends to shareholders, while TRFM's dividend yield for the trailing twelve months is around 0.13%.

Position	TTM	2025
AOTG AOT Growth and Innovation ETF	0.00%	0.00%
TRFM AAM Transformers ETF	0.13%	0.17%

Frequently Asked Questions

Can I hold both AOTG and TRFM in my portfolio?

AOTG and TRFM 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.

Which is riskier, AOTG or TRFM?

AOTG has higher volatility (7.56%) compared to TRFM (7.33%). In terms of maximum drawdown, AOTG dropped -31.63% vs TRFM's -28.40%.

Which ETF is better, AOTG or TRFM?

On 3-year performance, TRFM leads with 31.42% vs 28.98% for AOTG. On fees, TRFM is cheaper at 0.49% per year. On volatility, TRFM has been the lower-risk option at 7.33%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, AOTG or TRFM?

Over the 3-year period, TRFM has performed better with a 31.42% return vs 28.98%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, AOTG or TRFM?

TRFM is cheaper with a 0.49% expense ratio, compared with 0.75% for AOTG.

Which ETF pays a higher dividend yield, AOTG or TRFM?

TRFM has the higher dividend yield at 0.13%, compared with 0.00% for AOTG.

What is the main difference between AOTG and TRFM?

They also come from different issuers: AOT and AAM. Their fees differ too: 0.75% for AOTG and 0.49% for TRFM.

Which has better risk-adjusted returns?

TRFM currently has the higher Sharpe Ratio (2.34 vs 1.65), 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.