TRFM vs. LODI

Last updated Jun 4, 2026

TRFM (AAM Transformers ETF) and LODI (AAM SLC Low Duration Income ETF) are both exchange-traded funds - TRFM is a Technology Equities fund tracking the Pence Transformers Index - Benchmark TR Gross, while LODI is a Short-Term Bond fund actively managed by AAM. TRFM is passively managed, while LODI is actively managed. Over the past year, TRFM returned 53.69% vs 6.02% for LODI. At a 0.04 correlation, their price movements are largely independent. TRFM charges 0.49%/yr vs 0.15%/yr for LODI.

Performance

TRFM vs. LODI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AAM Transformers ETF (TRFM) and AAM SLC Low Duration Income ETF (LODI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TRFM achieves a 30.30% return, which is significantly higher than LODI's 1.88% return.

TRFM

• 1D: -1.23%
• 1M: 12.40%
• YTD: 30.30%
• 6M: 29.25%
• 1Y: 53.69%
• 3Y*: 31.63%
• 5Y*: —
• 10Y*: —

LODI

• 1D: -0.04%
• 1M: 0.50%
• YTD: 1.88%
• 6M: 2.26%
• 1Y: 6.02%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

TRFM vs. LODI - Yearly Performance Comparison

	2026 (YTD)	2025	2024
TRFM AAM Transformers ETF	30.30%	25.76%	-6.46%
LODI AAM SLC Low Duration Income ETF	1.88%	6.04%	0.26%

Correlation

The correlation between TRFM and LODI is 0.08, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.08
Correlation (All Time) Calculated using the full available price history since Dec 5, 2024	0.04

Return for Risk

TRFM vs. LODI — Risk / Return Rank

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

TRFM

TRFM Risk / Return Rank: 71
TRFM Sharpe Ratio Rank: 74
TRFM Sortino Ratio Rank: 65
TRFM Omega Ratio Rank: 64
TRFM Calmar Ratio Rank: 80
TRFM Martin Ratio Rank: 74

LODI

LODI Risk / Return Rank: 88
LODI Sharpe Ratio Rank: 78
LODI Sortino Ratio Rank: 85
LODI Omega Ratio Rank: 93
LODI Calmar Ratio Rank: 95
LODI Martin Ratio Rank: 90

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.

TRFM vs. LODI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AAM Transformers ETF (TRFM) and AAM SLC Low Duration Income ETF (LODI). 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.

	TRFM	LODI	Difference
Sharpe ratio: Return per unit of total volatility	2.41	2.52	-0.11
Sortino ratio: Return per unit of downside risk	3.04	3.80	-0.77
Omega ratio: Gain probability vs. loss probability	1.39	1.63	-0.24
Calmar ratio: Return relative to maximum drawdown	4.15	8.08	-3.93
Martin ratio: Return relative to average drawdown	14.09	20.98	-6.89
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TRFM vs. LODI - Sharpe Ratio Comparison

The current TRFM Sharpe Ratio is 2.41, which is comparable to the LODI Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of TRFM and LODI, 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

	TRFM	LODI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.41	2.52	-0.11
Sharpe Ratio (All Time) Calculated using the full available price history	1.05	2.37	-1.32

Drawdowns

TRFM vs. LODI - Drawdown Comparison

The maximum TRFM drawdown since its inception was -28.40%, which is greater than LODI's maximum drawdown of -1.01%. Use the drawdown chart below to compare losses from any high point for TRFM and LODI.

Drawdown Indicators

	TRFM	LODI	Difference
Max Drawdown Largest peak-to-trough decline	-28.40%	-1.01%	-27.39%
Max Drawdown (1Y) Largest decline over 1 year	-12.99%	-0.75%	-12.24%
Max Drawdown (3Y) Largest decline over 3 years	-28.40%	—	—
Current Drawdown Current decline from peak	-1.23%	-0.04%	-1.19%
Average Drawdown Average peak-to-trough decline	-6.61%	-0.21%	-6.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.82%	0.29%	+3.53%

Volatility

TRFM vs. LODI - Volatility Comparison

AAM Transformers ETF (TRFM) has a higher volatility of 7.34% compared to AAM SLC Low Duration Income ETF (LODI) at 0.31%. This indicates that TRFM's price experiences larger fluctuations and is considered to be riskier than LODI based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TRFM	LODI	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.34%	0.31%	+7.03%
Volatility (6M) Calculated over the trailing 6-month period	17.46%	1.17%	+16.29%
Volatility (1Y) Calculated over the trailing 1-year period	22.47%	2.43%	+20.04%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	26.94%	2.34%	+24.60%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	26.94%	2.34%	+24.60%

TRFM vs. LODI - Expense Ratio Comparison

TRFM has a 0.49% expense ratio, which is higher than LODI's 0.15% expense ratio.

Dividends

TRFM vs. LODI - Dividend Comparison

TRFM's dividend yield for the trailing twelve months is around 0.13%, less than LODI's 4.96% yield.

Position	TTM	2025	2024
LODI AAM SLC Low Duration Income ETF	4.96%	5.11%	0.38%
TRFM AAM Transformers ETF	0.13%	0.17%	0.00%

Frequently Asked Questions

Can I hold both TRFM and LODI in my portfolio?

TRFM and LODI have a correlation of 0.08, 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 LODI?

TRFM has higher volatility (7.34%) compared to LODI (0.31%). In terms of maximum drawdown, TRFM dropped -28.40% vs LODI's -1.01%.

Which ETF is better, TRFM or LODI?

On 1-year performance, TRFM leads with 53.69% vs 6.02% for LODI. On fees, LODI is cheaper at 0.15% per year. On volatility, LODI has been the lower-risk option at 0.31%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TRFM or LODI?

Over the 1-year period, TRFM has performed better with a 53.69% return vs 6.02%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TRFM or LODI?

LODI is cheaper with a 0.15% expense ratio, compared with 0.49% for TRFM.

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

LODI has the higher dividend yield at 4.96%, compared with 0.13% for TRFM.

What is the main difference between TRFM and LODI?

TRFM is categorized as Technology Equities, while LODI is Short-Term Bond. Their fees differ too: 0.49% for TRFM and 0.15% for LODI.

Which has better risk-adjusted returns?

LODI currently has the higher Sharpe Ratio (2.52 vs 2.41), 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.