TVAFX vs. FSKAX

Last updated Jun 23, 2026

TVAFX (Thornburg Small/Mid Cap Core Fund) and FSKAX (Fidelity Total Market Index Fund) are both Large Cap Blend Equities funds. Over the past 10 years, TVAFX returned 8.82%/yr vs 15.04%/yr for FSKAX. Their correlation of 0.90 suggests significant overlap in exposure. TVAFX charges 1.31%/yr vs 0.01%/yr for FSKAX.

Performance

TVAFX vs. FSKAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Thornburg Small/Mid Cap Core Fund (TVAFX) and Fidelity Total Market Index Fund (FSKAX). 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 TVAFX having a 10.35% return and FSKAX slightly higher at 10.81%. Over the past 10 years, TVAFX has underperformed FSKAX with an annualized return of 8.82%, while FSKAX has yielded a comparatively higher 15.04% annualized return.

TVAFX

• 1D: -0.03%
• 1M: 0.58%
• YTD: 10.35%
• 6M: 7.78%
• 1Y: 14.74%
• 3Y*: 12.73%
• 5Y*: 4.40%
• 10Y*: 8.82%

FSKAX

• 1D: 1.15%
• 1M: 0.90%
• YTD: 10.81%
• 6M: 10.02%
• 1Y: 27.57%
• 3Y*: 20.73%
• 5Y*: 12.91%
• 10Y*: 15.04%

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

TVAFX vs. FSKAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
TVAFX Thornburg Small/Mid Cap Core Fund	10.35%	-0.93%	19.41%	13.14%	-19.55%	13.45%	11.84%	28.88%	-9.70%	23.33%
FSKAX Fidelity Total Market Index Fund	10.81%	17.06%	23.89%	26.12%	-19.53%	25.66%	20.79%	30.92%	-5.32%	20.85%

Correlation

The correlation between TVAFX and FSKAX is 0.80, 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	0.80
Correlation (3Y) Calculated over the trailing 3-year period	0.83
Correlation (5Y) Calculated over the trailing 5-year period	0.87
Correlation (10Y) Calculated over the trailing 10-year period	0.89
Correlation (All Time) Calculated using the full available price history since Sep 8, 2011	0.90

The correlation between TVAFX and FSKAX shifts across timeframes, from 0.80 (1 year) to 0.90 (all time), reflecting how their relationship changes across market environments.

Return for Risk

TVAFX vs. FSKAX — Risk / Return Rank

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

TVAFX

TVAFX Risk / Return Rank: 16
TVAFX Sharpe Ratio Rank: 13
TVAFX Sortino Ratio Rank: 13
TVAFX Omega Ratio Rank: 13
TVAFX Calmar Ratio Rank: 21
TVAFX Martin Ratio Rank: 21

FSKAX

FSKAX Risk / Return Rank: 65
FSKAX Sharpe Ratio Rank: 62
FSKAX Sortino Ratio Rank: 56
FSKAX Omega Ratio Rank: 57
FSKAX Calmar Ratio Rank: 70
FSKAX Martin Ratio Rank: 79

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.

TVAFX vs. FSKAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Thornburg Small/Mid Cap Core Fund (TVAFX) and Fidelity Total Market Index Fund (FSKAX). 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.

	TVAFX	FSKAX	Difference
Sharpe ratio: Return per unit of total volatility	0.93	2.13	-1.20
Sortino ratio: Return per unit of downside risk	1.40	2.88	-1.48
Omega ratio: Gain probability vs. loss probability	1.17	1.38	-0.21
Calmar ratio: Return relative to maximum drawdown	1.59	3.08	-1.48
Martin ratio: Return relative to average drawdown	4.82	13.71	-8.89

TVAFX vs. FSKAX - Sharpe Ratio Comparison

The current TVAFX Sharpe Ratio is 0.93, which is lower than the FSKAX Sharpe Ratio of 2.13. The chart below compares the historical Sharpe Ratios of TVAFX and FSKAX, 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

TVAFX vs. FSKAX - Drawdown Comparison

The maximum TVAFX drawdown since its inception was -59.41%, which is greater than FSKAX's maximum drawdown of -35.01%. Use the drawdown chart below to compare losses from any high point for TVAFX and FSKAX.

Drawdown Indicators

	TVAFX	FSKAX	Difference
Max Drawdown Largest peak-to-trough decline	-59.41%	-35.01%	-24.40%
Max Drawdown (1Y) Largest decline over 1 year	-9.42%	-8.92%	-0.50%
Max Drawdown (3Y) Largest decline over 3 years	-28.38%	-19.43%	-8.95%
Max Drawdown (5Y) Largest decline over 5 years	-46.05%	-25.39%	-20.66%
Max Drawdown (10Y) Largest decline over 10 years	-46.05%	-35.01%	-11.04%
Current Drawdown Current decline from peak	-14.97%	-1.14%	-13.83%
Average Drawdown Average peak-to-trough decline	-13.67%	-4.01%	-9.66%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.11%	2.00%	+1.11%

Volatility

TVAFX vs. FSKAX - Volatility Comparison

The current volatility for Thornburg Small/Mid Cap Core Fund (TVAFX) is 3.67%, while Fidelity Total Market Index Fund (FSKAX) has a volatility of 4.91%. This indicates that TVAFX experiences smaller price fluctuations and is considered to be less risky than FSKAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	TVAFX	FSKAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.67%	4.91%	-1.24%
Volatility (6M) Calculated over the trailing 6-month period	11.85%	10.16%	+1.69%
Volatility (1Y) Calculated over the trailing 1-year period	16.10%	12.88%	+3.22%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	28.93%	17.51%	+11.42%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	24.65%	18.50%	+6.15%

TVAFX vs. FSKAX - Expense Ratio Comparison

TVAFX has a 1.31% expense ratio, which is higher than FSKAX's 0.02% expense ratio.

Dividends

TVAFX vs. FSKAX - Dividend Comparison

TVAFX has not paid dividends to shareholders, while FSKAX's dividend yield for the trailing twelve months is around 0.94%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSKAX Fidelity Total Market Index Fund	0.94%	1.01%	1.19%	1.41%	1.62%	1.15%	1.45%	1.94%	2.54%	2.07%	2.43%	0.82%
TVAFX Thornburg Small/Mid Cap Core Fund	0.00%	0.00%	0.00%	0.00%	0.05%	36.39%	0.00%	0.35%	0.47%	0.53%	0.34%	0.00%

Frequently Asked Questions

Can I hold both TVAFX and FSKAX in my portfolio?

TVAFX and FSKAX have a correlation of 0.80, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, TVAFX or FSKAX?

FSKAX has higher volatility (4.91%) compared to TVAFX (3.67%). In terms of maximum drawdown, TVAFX dropped -59.41% vs FSKAX's -35.01%.

Which has better risk-adjusted returns?

FSKAX currently has the higher Sharpe Ratio (2.13 vs 0.93), 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.