FTDS vs. SIZE

Last updated Jun 4, 2026

FTDS (First Trust Dividend Strength ETF) and SIZE (iShares MSCI USA Size Factor ETF) are both Mid Cap Blend Equities funds - FTDS tracks the Dividend Strength Index while SIZE tracks the MSCI USA Low Size Index. Both are passively managed. Over the past 10 years, FTDS returned 10.75%/yr vs 11.76%/yr for SIZE. A 0.70 correlation means they provide meaningful diversification when combined. FTDS charges 0.70%/yr vs 0.15%/yr for SIZE.

Performance

FTDS vs. SIZE - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in First Trust Dividend Strength ETF (FTDS) and iShares MSCI USA Size Factor ETF (SIZE). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FTDS achieves a 6.54% return, which is significantly lower than SIZE's 9.07% return. Over the past 10 years, FTDS has underperformed SIZE with an annualized return of 10.75%, while SIZE has yielded a comparatively higher 11.76% annualized return.

FTDS

• 1D: -0.21%
• 1M: -2.16%
• YTD: 6.54%
• 6M: 6.72%
• 1Y: 18.40%
• 3Y*: 16.04%
• 5Y*: 6.32%
• 10Y*: 10.75%

SIZE

• 1D: -0.68%
• 1M: 3.62%
• YTD: 9.07%
• 6M: 8.29%
• 1Y: 18.11%
• 3Y*: 15.94%
• 5Y*: 8.07%
• 10Y*: 11.76%

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

FTDS vs. SIZE - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
FTDS First Trust Dividend Strength ETF	6.54%	13.64%	11.12%	11.75%	-13.54%	24.79%	14.16%	24.29%	-10.35%	20.07%
SIZE iShares MSCI USA Size Factor ETF	9.07%	10.51%	14.37%	17.78%	-15.86%	25.05%	16.26%	28.97%	-6.59%	18.76%

Correlation

The correlation between FTDS and SIZE 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	0.82
Correlation (5Y) Calculated over the trailing 5-year period	0.84
Correlation (10Y) Calculated over the trailing 10-year period	0.75
Correlation (All Time) Calculated using the full available price history since Apr 19, 2013	0.70

The correlation between FTDS and SIZE shifts across timeframes, from 0.70 (all time) to 0.84 (5 years), reflecting how their relationship changes across market environments.

FTDS vs. SIZE - Sectors Allocation Comparison

Sectors	FTDS	SIZE
Financial Services	27.9%	13.5%
Energy	20.2%	5.2%
Industrials	19.8%	16.1%
Healthcare	9.4%	9.6%
Technology	9.4%	19.9%
Basic Materials	8.0%	4.8%
Consumer Cyclical	3.4%	9.8%
Consumer Defensive	1.9%	5.7%
Communication Services	-	4.1%
Real Estate	-	5.7%
Utilities	-	5.5%

Return for Risk

FTDS vs. SIZE — Risk / Return Rank

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

FTDS

FTDS Risk / Return Rank: 45
FTDS Sharpe Ratio Rank: 40
FTDS Sortino Ratio Rank: 43
FTDS Omega Ratio Rank: 39
FTDS Calmar Ratio Rank: 57
FTDS Martin Ratio Rank: 46

SIZE

SIZE Risk / Return Rank: 44
SIZE Sharpe Ratio Rank: 40
SIZE Sortino Ratio Rank: 42
SIZE Omega Ratio Rank: 38
SIZE Calmar Ratio Rank: 46
SIZE Martin Ratio Rank: 52

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.

FTDS vs. SIZE - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for First Trust Dividend Strength ETF (FTDS) and iShares MSCI USA Size Factor ETF (SIZE). 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.

	FTDS	SIZE	Difference
Sharpe ratio: Return per unit of total volatility	1.44	1.43	0.00
Sortino ratio: Return per unit of downside risk	2.19	2.12	+0.06
Omega ratio: Gain probability vs. loss probability	1.25	1.25	0.00
Calmar ratio: Return relative to maximum drawdown	2.81	2.28	+0.53
Martin ratio: Return relative to average drawdown	7.56	8.88	-1.31
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FTDS vs. SIZE - Sharpe Ratio Comparison

The current FTDS Sharpe Ratio is 1.44, which is comparable to the SIZE Sharpe Ratio of 1.43. The chart below compares the historical Sharpe Ratios of FTDS and SIZE, 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

	FTDS	SIZE	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.44	1.43	0.00
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.36	0.47	-0.11
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.54	0.63	-0.10
Sharpe Ratio (All Time) Calculated using the full available price history	0.32	0.68	-0.37

Drawdowns

FTDS vs. SIZE - Drawdown Comparison

The maximum FTDS drawdown since its inception was -56.53%, which is greater than SIZE's maximum drawdown of -39.15%. Use the drawdown chart below to compare losses from any high point for FTDS and SIZE.

Drawdown Indicators

	FTDS	SIZE	Difference
Max Drawdown Largest peak-to-trough decline	-56.53%	-39.15%	-17.38%
Max Drawdown (1Y) Largest decline over 1 year	-6.57%	-7.97%	+1.40%
Max Drawdown (3Y) Largest decline over 3 years	-18.04%	-18.71%	+0.67%
Max Drawdown (5Y) Largest decline over 5 years	-23.35%	-24.03%	+0.68%
Max Drawdown (10Y) Largest decline over 10 years	-42.47%	-39.15%	-3.32%
Current Drawdown Current decline from peak	-4.46%	-0.68%	-3.78%
Average Drawdown Average peak-to-trough decline	-9.87%	-4.18%	-5.69%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.44%	2.04%	+0.40%

Volatility

FTDS vs. SIZE - Volatility Comparison

First Trust Dividend Strength ETF (FTDS) has a higher volatility of 3.48% compared to iShares MSCI USA Size Factor ETF (SIZE) at 3.17%. This indicates that FTDS's price experiences larger fluctuations and is considered to be riskier than SIZE based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FTDS	SIZE	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.48%	3.17%	+0.31%
Volatility (6M) Calculated over the trailing 6-month period	8.87%	9.54%	-0.67%
Volatility (1Y) Calculated over the trailing 1-year period	12.92%	12.73%	+0.19%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	17.65%	17.39%	+0.26%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.14%	18.69%	+1.45%

FTDS vs. SIZE - Expense Ratio Comparison

FTDS has a 0.70% expense ratio, which is higher than SIZE's 0.15% expense ratio.

Dividends

FTDS vs. SIZE - Dividend Comparison

FTDS's dividend yield for the trailing twelve months is around 1.66%, more than SIZE's 1.42% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FTDS First Trust Dividend Strength ETF	1.66%	1.59%	2.05%	2.15%	2.31%	0.72%	0.99%	1.13%	1.14%	0.79%	1.24%	0.95%
SIZE iShares MSCI USA Size Factor ETF	1.42%	1.50%	1.53%	1.42%	1.59%	1.19%	1.43%	1.35%	2.43%	1.58%	1.88%	1.95%

Frequently Asked Questions

Can I hold both FTDS and SIZE in my portfolio?

FTDS and SIZE 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, FTDS or SIZE?

FTDS has higher volatility (3.48%) compared to SIZE (3.17%). In terms of maximum drawdown, FTDS dropped -56.53% vs SIZE's -39.15%.

Which ETF is better, FTDS or SIZE?

On 10-year performance, SIZE leads with 11.76% vs 10.75% for FTDS. On fees, SIZE is cheaper at 0.15% per year. On volatility, SIZE has been the lower-risk option at 3.17%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, FTDS or SIZE?

Over the 10-year period, SIZE has performed better with a 11.76% return vs 10.75%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, FTDS or SIZE?

SIZE is cheaper with a 0.15% expense ratio, compared with 0.70% for FTDS.

Which ETF pays a higher dividend yield, FTDS or SIZE?

FTDS has the higher dividend yield at 1.66%, compared with 1.42% for SIZE.

What is the main difference between FTDS and SIZE?

FTDS tracks Dividend Strength Index, while SIZE tracks MSCI USA Low Size Index. They also come from different issuers: First Trust and iShares. Their fees differ too: 0.70% for FTDS and 0.15% for SIZE.

Which has better risk-adjusted returns?

FTDS currently has the higher Sharpe Ratio (1.44 vs 1.43), 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.