TRFK vs. IWM

Last updated Jun 9, 2026

TRFK (Pacer Data and Digital Revolution ETF) and IWM (iShares Russell 2000 ETF) are both exchange-traded funds - TRFK is a Technology Equities fund tracking the Pacer Data Transmission and Communication Revolution Index - Benchmark TR Net, while IWM is a Small Cap Blend Equities fund tracking the Russell 2000 Index. Both are passively managed. Over the past 3 years, TRFK returned 49.48%/yr vs 16.64%/yr for IWM. A 0.69 correlation means they provide meaningful diversification when combined. TRFK charges 0.60%/yr vs 0.19%/yr for IWM.

Performance

TRFK vs. IWM - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Pacer Data and Digital Revolution ETF (TRFK) and iShares Russell 2000 ETF (IWM). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, TRFK achieves a 54.84% return, which is significantly higher than IWM's 15.62% return.

TRFK

• 1D: 3.16%
• 1M: 10.52%
• YTD: 54.84%
• 6M: 45.80%
• 1Y: 84.85%
• 3Y*: 49.48%
• 5Y*: —
• 10Y*: —

IWM

• 1D: 0.87%
• 1M: -0.02%
• YTD: 15.62%
• 6M: 13.83%
• 1Y: 35.52%
• 3Y*: 16.64%
• 5Y*: 5.48%
• 10Y*: 10.78%

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

TRFK vs. IWM - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
TRFK Pacer Data and Digital Revolution ETF	54.84%	26.81%	38.30%	66.63%	-10.61%
IWM iShares Russell 2000 ETF	15.62%	12.66%	11.38%	16.83%	-4.09%

Correlation

The correlation between TRFK and IWM is 0.61, 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	0.61
Correlation (3Y) Calculated over the trailing 3-year period	0.64
Correlation (All Time) Calculated using the full available price history since Jun 10, 2022	0.69

The correlation between TRFK and IWM has been stable across timeframes, ranging from 0.61 to 0.69 - a consistent structural relationship.

TRFK vs. IWM - Sectors Allocation Comparison

Sectors	TRFK	IWM
Technology	91.8%	19.5%
Industrials	8.3%	17.2%
Basic Materials	-	4.5%
Communication Services	-	2.1%
Consumer Cyclical	-	7.9%
Consumer Defensive	-	2.1%
Energy	-	5.8%
Financial Services	-	15.6%
Healthcare	-	16.1%
Real Estate	-	5.6%
Utilities	-	3.0%

Return for Risk

TRFK vs. IWM — Risk / Return Rank

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

TRFK

TRFK Risk / Return Rank: 81
TRFK Sharpe Ratio Rank: 92
TRFK Sortino Ratio Rank: 83
TRFK Omega Ratio Rank: 83
TRFK Calmar Ratio Rank: 86
TRFK Martin Ratio Rank: 63

IWM

IWM Risk / Return Rank: 63
IWM Sharpe Ratio Rank: 61
IWM Sortino Ratio Rank: 60
IWM Omega Ratio Rank: 54
IWM Calmar Ratio Rank: 71
IWM Martin Ratio Rank: 68

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.

TRFK vs. IWM - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Pacer Data and Digital Revolution ETF (TRFK) and iShares Russell 2000 ETF (IWM). 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.

	TRFK	IWM	Difference
Sharpe ratio: Return per unit of total volatility	2.89	1.83	+1.06
Sortino ratio: Return per unit of downside risk	3.36	2.54	+0.82
Omega ratio: Gain probability vs. loss probability	1.45	1.30	+0.14
Calmar ratio: Return relative to maximum drawdown	4.36	3.24	+1.13
Martin ratio: Return relative to average drawdown	10.40	11.44	-1.04
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

TRFK vs. IWM - Sharpe Ratio Comparison

The current TRFK Sharpe Ratio is 2.89, which is higher than the IWM Sharpe Ratio of 1.83. The chart below compares the historical Sharpe Ratios of TRFK and IWM, 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

	TRFK	IWM	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.89	1.83	+1.06
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.24	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.47	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.44	0.36	+1.08

Drawdowns

TRFK vs. IWM - Drawdown Comparison

The maximum TRFK drawdown since its inception was -29.06%, smaller than the maximum IWM drawdown of -59.05%. Use the drawdown chart below to compare losses from any high point for TRFK and IWM.

Drawdown Indicators

	TRFK	IWM	Difference
Max Drawdown Largest peak-to-trough decline	-29.06%	-59.05%	+29.99%
Max Drawdown (1Y) Largest decline over 1 year	-19.56%	-11.03%	-8.53%
Max Drawdown (3Y) Largest decline over 3 years	-29.06%	-27.50%	-1.56%
Max Drawdown (5Y) Largest decline over 5 years	—	-31.91%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-41.13%	—
Current Drawdown Current decline from peak	-8.94%	-2.71%	-6.23%
Average Drawdown Average peak-to-trough decline	-6.05%	-10.76%	+4.71%
Ulcer Index Depth and duration of drawdowns from previous peaks	8.19%	3.11%	+5.08%

Volatility

TRFK vs. IWM - Volatility Comparison

Pacer Data and Digital Revolution ETF (TRFK) has a higher volatility of 14.91% compared to iShares Russell 2000 ETF (IWM) at 6.52%. This indicates that TRFK's price experiences larger fluctuations and is considered to be riskier than IWM based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TRFK	IWM	Difference
Volatility (1M) Calculated over the trailing 1-month period	14.91%	6.52%	+8.39%
Volatility (6M) Calculated over the trailing 6-month period	24.23%	14.00%	+10.23%
Volatility (1Y) Calculated over the trailing 1-year period	29.53%	19.53%	+10.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	29.31%	22.58%	+6.73%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	29.31%	23.07%	+6.24%

TRFK vs. IWM - Expense Ratio Comparison

TRFK has a 0.60% expense ratio, which is higher than IWM's 0.19% expense ratio.

Dividends

TRFK vs. IWM - Dividend Comparison

TRFK's dividend yield for the trailing twelve months is around 0.01%, less than IWM's 0.89% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
IWM iShares Russell 2000 ETF	0.89%	1.04%	1.15%	1.35%	1.48%	0.94%	1.04%	1.26%	1.40%	1.26%	1.38%	1.54%
TRFK Pacer Data and Digital Revolution ETF	0.01%	0.01%	0.40%	0.20%	0.56%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both TRFK and IWM in my portfolio?

TRFK and IWM have a correlation of 0.61, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TRFK or IWM?

TRFK has higher volatility (14.91%) compared to IWM (6.52%). In terms of maximum drawdown, TRFK dropped -29.06% vs IWM's -59.05%.

Which ETF is better, TRFK or IWM?

On 3-year performance, TRFK leads with 49.48% vs 16.64% for IWM. On fees, IWM is cheaper at 0.19% per year. On volatility, IWM has been the lower-risk option at 6.52%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, TRFK or IWM?

Over the 3-year period, TRFK has performed better with a 49.48% return vs 16.64%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, TRFK or IWM?

IWM is cheaper with a 0.19% expense ratio, compared with 0.60% for TRFK.

Which ETF pays a higher dividend yield, TRFK or IWM?

IWM has the higher dividend yield at 0.89%, compared with 0.01% for TRFK.

What is the main difference between TRFK and IWM?

TRFK is categorized as Technology Equities, while IWM is Small Cap Blend Equities. TRFK tracks Pacer Data Transmission and Communication Revolution Index - Benchmark TR Net, while IWM tracks Russell 2000 Index. They also come from different issuers: Pacer and iShares. Their fees differ too: 0.60% for TRFK and 0.19% for IWM.

Which has better risk-adjusted returns?

TRFK currently has the higher Sharpe Ratio (2.89 vs 1.83), 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.