JATTX vs. FSPSX

Last updated Jun 23, 2026

JATTX (Janus Henderson Triton Fund Class T) and FSPSX (Fidelity International Index Fund) are both mutual funds - JATTX is a Small Cap Growth Equities fund managed by Janus Henderson, while FSPSX is a Foreign Large Cap Equities fund tracking the MSCI EAFE Index. Over the past 10 years, JATTX returned 10.45%/yr vs 9.67%/yr for FSPSX. A 0.70 correlation means they provide meaningful diversification when combined. JATTX charges 0.91%/yr vs 0.04%/yr for FSPSX.

Performance

JATTX vs. FSPSX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Janus Henderson Triton Fund Class T (JATTX) and Fidelity International Index Fund (FSPSX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, JATTX achieves a 13.70% return, which is significantly higher than FSPSX's 10.54% return. Over the past 10 years, JATTX has outperformed FSPSX with an annualized return of 10.45%, while FSPSX has yielded a comparatively lower 9.67% annualized return.

JATTX

• 1D: 1.78%
• 1M: 2.56%
• YTD: 13.70%
• 6M: 11.11%
• 1Y: 26.63%
• 3Y*: 12.92%
• 5Y*: 4.42%
• 10Y*: 10.45%

FSPSX

• 1D: 0.76%
• 1M: 1.93%
• YTD: 10.54%
• 6M: 11.05%
• 1Y: 25.44%
• 3Y*: 16.37%
• 5Y*: 9.50%
• 10Y*: 9.67%

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

JATTX vs. FSPSX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
JATTX Janus Henderson Triton Fund Class T	13.70%	9.54%	10.30%	14.52%	-23.75%	6.63%	28.41%	28.30%	-5.25%	26.90%
FSPSX Fidelity International Index Fund	10.54%	31.98%	3.70%	18.31%	-14.23%	11.45%	8.16%	22.03%	-13.55%	25.37%

Correlation

The correlation between JATTX and FSPSX is 0.70, 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	0.70
Correlation (3Y) Calculated over the trailing 3-year period	0.68
Correlation (5Y) Calculated over the trailing 5-year period	0.71
Correlation (10Y) Calculated over the trailing 10-year period	0.69
Correlation (All Time) Calculated using the full available price history since Sep 8, 2011	0.70

The correlation between JATTX and FSPSX has been stable across timeframes, ranging from 0.68 to 0.71 - a consistent structural relationship.

Return for Risk

JATTX vs. FSPSX — Risk / Return Rank

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

JATTX

JATTX Risk / Return Rank: 40
JATTX Sharpe Ratio Rank: 35
JATTX Sortino Ratio Rank: 37
JATTX Omega Ratio Rank: 31
JATTX Calmar Ratio Rank: 44
JATTX Martin Ratio Rank: 51

FSPSX

FSPSX Risk / Return Rank: 36
FSPSX Sharpe Ratio Rank: 36
FSPSX Sortino Ratio Rank: 35
FSPSX Omega Ratio Rank: 35
FSPSX Calmar Ratio Rank: 36
FSPSX Martin Ratio Rank: 39

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.

JATTX vs. FSPSX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Janus Henderson Triton Fund Class T (JATTX) and Fidelity International Index Fund (FSPSX). 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.

	JATTX	FSPSX	Difference
Sharpe ratio: Return per unit of total volatility	1.60	1.61	-0.01
Sortino ratio: Return per unit of downside risk	2.35	2.28	+0.06
Omega ratio: Gain probability vs. loss probability	1.27	1.29	-0.02
Calmar ratio: Return relative to maximum drawdown	2.40	2.15	+0.25
Martin ratio: Return relative to average drawdown	9.82	8.05	+1.77

JATTX vs. FSPSX - Sharpe Ratio Comparison

The current JATTX Sharpe Ratio is 1.60, which is comparable to the FSPSX Sharpe Ratio of 1.61. The chart below compares the historical Sharpe Ratios of JATTX and FSPSX, 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

JATTX vs. FSPSX - Drawdown Comparison

The maximum JATTX drawdown since its inception was -57.77%, which is greater than FSPSX's maximum drawdown of -33.69%. Use the drawdown chart below to compare losses from any high point for JATTX and FSPSX.

Drawdown Indicators

	JATTX	FSPSX	Difference
Max Drawdown Largest peak-to-trough decline	-57.77%	-33.69%	-24.08%
Max Drawdown (1Y) Largest decline over 1 year	-11.09%	-11.39%	+0.30%
Max Drawdown (3Y) Largest decline over 3 years	-23.90%	-13.58%	-10.32%
Max Drawdown (5Y) Largest decline over 5 years	-31.90%	-29.41%	-2.49%
Max Drawdown (10Y) Largest decline over 10 years	-39.71%	-33.69%	-6.02%
Current Drawdown Current decline from peak	-0.07%	0.00%	-0.07%
Average Drawdown Average peak-to-trough decline	-8.75%	-6.53%	-2.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.71%	3.04%	-0.33%

Volatility

JATTX vs. FSPSX - Volatility Comparison

Janus Henderson Triton Fund Class T (JATTX) has a higher volatility of 5.98% compared to Fidelity International Index Fund (FSPSX) at 4.93%. This indicates that JATTX's price experiences larger fluctuations and is considered to be riskier than FSPSX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	JATTX	FSPSX	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.98%	4.93%	+1.05%
Volatility (6M) Calculated over the trailing 6-month period	13.21%	12.71%	+0.50%
Volatility (1Y) Calculated over the trailing 1-year period	16.69%	15.26%	+1.43%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.72%	16.07%	+3.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	20.63%	16.56%	+4.07%

JATTX vs. FSPSX - Expense Ratio Comparison

JATTX has a 0.91% expense ratio, which is higher than FSPSX's 0.04% expense ratio.

Dividends

JATTX vs. FSPSX - Dividend Comparison

JATTX's dividend yield for the trailing twelve months is around 10.15%, more than FSPSX's 2.85% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSPSX Fidelity International Index Fund	2.85%	3.15%	3.27%	2.79%	2.66%	3.07%	1.84%	3.18%	2.79%	2.50%	3.08%	2.79%
JATTX Janus Henderson Triton Fund Class T	10.15%	11.54%	7.74%	7.29%	6.35%	20.71%	4.17%	4.30%	7.56%	5.11%	2.83%	7.89%

Frequently Asked Questions

Can I hold both JATTX and FSPSX in my portfolio?

JATTX and FSPSX have a correlation of 0.70, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, JATTX or FSPSX?

JATTX has higher volatility (5.98%) compared to FSPSX (4.93%). In terms of maximum drawdown, JATTX dropped -57.77% vs FSPSX's -33.69%.

Which has better risk-adjusted returns?

FSPSX currently has the higher Sharpe Ratio (1.61 vs 1.60), 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.