RTYS.L vs. FSSNX

Last updated Jun 26, 2026

RTYS.L (Invesco Russell 2000 UCITS ETF) and FSSNX (Fidelity Small Cap Index Fund) are both Small Cap Blend Equities funds - RTYS.L tracks the Russell 2000 TR USD while FSSNX tracks the Russell 2000 Index. Both are passively managed. Over the past 10 years, RTYS.L returned 11.71%/yr vs 11.78%/yr for FSSNX. A 0.62 correlation means they provide meaningful diversification when combined. RTYS.L charges 0.25%/yr vs 0.03%/yr for FSSNX.

Performance

RTYS.L vs. FSSNX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Invesco Russell 2000 UCITS ETF (RTYS.L) and Fidelity Small Cap Index Fund (FSSNX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with RTYS.L having a 20.93% return and FSSNX slightly higher at 21.05%. Both investments have delivered pretty close results over the past 10 years, with RTYS.L having a 11.71% annualized return and FSSNX not far ahead at 11.78%.

RTYS.L

• 1D: -0.19%
• 1M: 3.54%
• YTD: 20.93%
• 6M: 18.86%
• 1Y: 41.75%
• 3Y*: 19.32%
• 5Y*: 6.17%
• 10Y*: 11.71%

FSSNX

• 1D: 0.38%
• 1M: 2.38%
• YTD: 21.05%
• 6M: 17.96%
• 1Y: 41.73%
• 3Y*: 19.69%
• 5Y*: 6.61%
• 10Y*: 11.78%

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

RTYS.L vs. FSSNX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
RTYS.L Invesco Russell 2000 UCITS ETF	20.93%	12.51%	10.09%	18.90%	-21.01%	13.97%	19.89%	24.60%	-12.53%	14.83%
FSSNX Fidelity Small Cap Index Fund	21.05%	12.94%	11.71%	17.11%	-20.28%	14.70%	19.99%	25.70%	-11.24%	14.54%

Correlation

The correlation between RTYS.L and FSSNX is 0.68, 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	0.68
Correlation (3Y) Calculated over the trailing 3-year period	0.66
Correlation (5Y) Calculated over the trailing 5-year period	0.64
Correlation (10Y) Calculated over the trailing 10-year period	0.63
Correlation (All Time) Calculated using the full available price history since Sep 9, 2011	0.62

The correlation between RTYS.L and FSSNX has been stable across timeframes, ranging from 0.62 to 0.68 - a consistent structural relationship.

Return for Risk

RTYS.L vs. FSSNX — Risk / Return Rank

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

RTYS.L

RTYS.L Risk / Return Rank: 79
RTYS.L Sharpe Ratio Rank: 80
RTYS.L Sortino Ratio Rank: 82
RTYS.L Omega Ratio Rank: 72
RTYS.L Calmar Ratio Rank: 83
RTYS.L Martin Ratio Rank: 77

FSSNX

FSSNX Risk / Return Rank: 72
FSSNX Sharpe Ratio Rank: 70
FSSNX Sortino Ratio Rank: 67
FSSNX Omega Ratio Rank: 54
FSSNX Calmar Ratio Rank: 86
FSSNX Martin Ratio Rank: 82

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.

RTYS.L vs. FSSNX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Invesco Russell 2000 UCITS ETF (RTYS.L) and Fidelity Small Cap Index Fund (FSSNX). 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.

	RTYS.L	FSSNX	Difference
Sharpe ratio: Return per unit of total volatility	2.22	2.05	+0.18
Sortino ratio: Return per unit of downside risk	3.17	2.83	+0.35
Omega ratio: Gain probability vs. loss probability	1.37	1.34	+0.04
Calmar ratio: Return relative to maximum drawdown	3.93	3.66	+0.27
Martin ratio: Return relative to average drawdown	12.88	12.96	-0.08

RTYS.L vs. FSSNX - Sharpe Ratio Comparison

The current RTYS.L Sharpe Ratio is 2.22, which is comparable to the FSSNX Sharpe Ratio of 2.05. The chart below compares the historical Sharpe Ratios of RTYS.L and FSSNX, 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

RTYS.L vs. FSSNX - Drawdown Comparison

The maximum RTYS.L drawdown since its inception was -42.15%, roughly equal to the maximum FSSNX drawdown of -41.72%. Use the drawdown chart below to compare losses from any high point for RTYS.L and FSSNX.

Drawdown Indicators

	RTYS.L	FSSNX	Difference
Max Drawdown Largest peak-to-trough decline	-42.15%	-41.72%	-0.43%
Max Drawdown (1Y) Largest decline over 1 year	-10.57%	-11.00%	+0.43%
Max Drawdown (3Y) Largest decline over 3 years	-28.71%	-27.45%	-1.26%
Max Drawdown (5Y) Largest decline over 5 years	-31.97%	-31.87%	-0.10%
Max Drawdown (10Y) Largest decline over 10 years	-42.15%	-41.72%	-0.43%
Current Drawdown Current decline from peak	-0.19%	-0.58%	+0.39%
Average Drawdown Average peak-to-trough decline	-8.45%	-8.26%	-0.19%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.23%	3.10%	+0.13%

Volatility

RTYS.L vs. FSSNX - Volatility Comparison

The current volatility for Invesco Russell 2000 UCITS ETF (RTYS.L) is 4.93%, while Fidelity Small Cap Index Fund (FSSNX) has a volatility of 6.48%. This indicates that RTYS.L experiences smaller price fluctuations and is considered to be less risky than FSSNX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RTYS.L	FSSNX	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.93%	6.48%	-1.55%
Volatility (6M) Calculated over the trailing 6-month period	13.85%	14.35%	-0.50%
Volatility (1Y) Calculated over the trailing 1-year period	18.71%	19.72%	-1.01%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	22.28%	22.67%	-0.39%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	22.10%	23.47%	-1.37%

RTYS.L vs. FSSNX - Expense Ratio Comparison

RTYS.L has a 0.25% expense ratio, which is higher than FSSNX's 0.03% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

RTYS.L vs. FSSNX - Dividend Comparison

RTYS.L has not paid dividends to shareholders, while FSSNX's dividend yield for the trailing twelve months is around 0.89%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSSNX Fidelity Small Cap Index Fund	0.89%	1.08%	1.04%	1.43%	1.26%	3.92%	0.94%	2.96%	4.94%	3.37%	2.27%	2.66%
RTYS.L Invesco Russell 2000 UCITS ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both RTYS.L and FSSNX in my portfolio?

RTYS.L and FSSNX have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.