TRFM vs. AOTG

Last updated Aug 2, 2026

TRFM (AAM Transformers ETF) and AOTG (AOT Growth and Innovation ETF) are both Technology Equities funds. TRFM is passively managed, while AOTG is actively managed. Over the past 3 years, TRFM returned 23.92%/yr vs 23.03%/yr for AOTG. Their correlation of 0.91 means they have usually moved in the same direction. TRFM charges 0.49%/yr vs 0.75%/yr for AOTG.

Performance

TRFM vs. AOTG - Performance Comparison

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

Returns By Period

In the year-to-date period, TRFM achieves a 21.27% return, which is significantly higher than AOTG's 8.87% return.

TRFM

• 1D: 0.52%
• 1M: -5.31%
• 6M: 17.60%
• YTD: 21.27%
• 1Y: 34.05%
• 3Y*: 23.92%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 23.93%

AOTG

• 1D: 0.47%
• 1M: -3.36%
• 6M: 12.58%
• YTD: 8.87%
• 1Y: 20.85%
• 3Y*: 23.03%
• 5Y*: —
• 10Y*: —
• ALL TIME*: 24.84%

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

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
AOTG AOT Growth and Innovation ETF	$288.05K	$245.53K	$342.43K
TRFM AAM Transformers ETF	$2.71M	$2.26M	$1.99M

TRFM vs. AOTG - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
TRFM AAM Transformers ETF	21.27%	25.76%	19.96%	44.71%	-9.92%
AOTG AOT Growth and Innovation ETF	8.87%	25.26%	32.20%	54.58%	-12.28%

Correlation

The correlation between TRFM and AOTG is 0.87, meaning they have usually moved in the same direction, including during past declines.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	0.87
Correlation (3Y) Balances recent behavior with more history.	0.88
Correlation (All Time) Calculated using the full available price history since Jul 12, 2022	0.91

The correlation between TRFM and AOTG has been stable across timeframes, ranging from 0.87 to 0.91 - a consistent structural relationship.

TRFM vs. AOTG - Sectors Allocation Comparison

Sectors	TRFM	AOTG
Technology	54.7%	69.1%
Industrials	20.7%	0.6%
Utilities	10.8%	-
Consumer Cyclical	5.2%	6.6%
Communication Services	4.7%	13.4%
Energy	3.5%	-
Financial Services	1.8%	10.1%
Basic Materials	0.5%	-
Healthcare	0.2%	0.2%
Consumer Defensive	0.2%	-
Real Estate	-	-

Return for Risk

TRFM vs. AOTG — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

TRFM

TRFM Risk / Return Rank: 54
TRFM Sharpe Ratio Rank: 50
TRFM Sortino Ratio Rank: 48
TRFM Omega Ratio Rank: 46
TRFM Calmar Ratio Rank: 70
TRFM Martin Ratio Rank: 58

AOTG

AOTG Risk / Return Rank: 26
AOTG Sharpe Ratio Rank: 27
AOTG Sortino Ratio Rank: 27
AOTG Omega Ratio Rank: 27
AOTG Calmar Ratio Rank: 25
AOTG Martin Ratio Rank: 26

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

TRFM vs. AOTG - Risk-Adjusted Trends Comparison

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

	TRFM	AOTG	Difference
Sharpe ratio: Return per unit of total volatility	1.24	0.64	+0.60
Sortino ratio: Return per unit of downside risk	1.73	1.03	+0.70
Omega ratio: Gain probability vs. loss probability	1.21	1.13	+0.08
Calmar ratio: Return relative to maximum drawdown	2.43	0.77	+1.66
Martin ratio: Return relative to average drawdown	6.98	2.10	+4.88

TRFM vs. AOTG - Sharpe Ratio Comparison

The current TRFM Sharpe Ratio is 1.24, which is higher than the AOTG Sharpe Ratio of 0.64. The chart below compares the historical Sharpe Ratios of TRFM and AOTG, 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

TRFM vs. AOTG - Drawdown Comparison

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

Drawdown Indicators

	TRFM	AOTG	Difference
Max Drawdown Largest peak-to-trough decline	-28.40%	-31.63%	+3.23%
Max Drawdown (1Y) Largest decline over 1 year	-12.99%	-22.85%	+9.86%
Max Drawdown (3Y) Largest decline over 3 years	-28.40%	-27.41%	-0.99%
Current Drawdown Current decline from peak	-8.52%	-8.90%	+0.38%
Average Drawdown Average peak-to-trough decline	-6.56%	-7.83%	+1.27%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.52%	8.39%	-3.87%

Volatility

TRFM vs. AOTG - Volatility Comparison

The current volatility for AAM Transformers ETF (TRFM) is 7.74%, while AOT Growth and Innovation ETF (AOTG) has a volatility of 10.41%. This indicates that TRFM experiences smaller price fluctuations and is considered to be less risky than AOTG based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TRFM	AOTG	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.74%	10.41%	-2.67%
Volatility (6M) Calculated over the trailing 6-month period	20.87%	23.39%	-2.52%
Volatility (1Y) Calculated over the trailing 1-year period	25.57%	27.67%	-2.10%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.26%	29.67%	-2.41%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.26%	29.67%	-2.41%

TRFM vs. AOTG - Expense Ratio Comparison

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

Dividends

TRFM vs. AOTG - Dividend Comparison

TRFM's dividend yield for the trailing twelve months is around 0.14%, while AOTG has not paid dividends to shareholders.

Position	TTM	2025
AOTG AOT Growth and Innovation ETF	0.00%	0.00%
TRFM AAM Transformers ETF	0.14%	0.17%

Frequently Asked Questions

Can I hold both TRFM and AOTG in my portfolio?

TRFM and AOTG have a correlation of 0.87, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TRFM or AOTG?

AOTG has higher volatility (10.41%) compared to TRFM (7.74%). In terms of maximum drawdown, TRFM dropped -28.40% vs AOTG's -31.63%.

Which ETF is better, TRFM or AOTG?

On 3-year performance, TRFM leads with 23.92% vs 23.03% for AOTG. On fees, TRFM is cheaper at 0.49% per year. On volatility, TRFM has been the lower-risk option at 7.74%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TRFM or AOTG?

Over the 3-year period, TRFM has performed better with a 23.92% return vs 23.03%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TRFM or AOTG?

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

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

TRFM has the higher dividend yield at 0.14%, compared with 0.00% for AOTG.

What is the main difference between TRFM and AOTG?

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

Which has better risk-adjusted returns?

TRFM currently has the higher Sharpe Ratio (1.24 vs 0.64), 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.