AGOX vs. FSKAX

Last updated Apr 1, 2026

Compare and contrast key facts about Adaptive Alpha Opportunities ETF (AGOX) and Fidelity Total Market Index Fund (FSKAX).

AGOX is managed by Adaptive Funds. It was launched on Sep 20, 2012. FSKAX is managed by Fidelity.

Performance

AGOX vs. FSKAX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Adaptive Alpha Opportunities ETF (AGOX) and Fidelity Total Market Index Fund (FSKAX). The values are adjusted to include any dividend payments, if applicable.

AGOX vs. FSKAX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
AGOX Adaptive Alpha Opportunities ETF	-6.79%	8.58%	15.97%	19.07%	-19.21%	9.82%
FSKAX Fidelity Total Market Index Fund	-6.77%	17.06%	23.89%	26.12%	-19.53%	12.82%

Returns By Period

The year-to-date returns for both investments are quite close, with AGOX having a -6.79% return and FSKAX slightly higher at -6.77%.

AGOX

• 1D: 3.30%
• 1M: -9.05%
• YTD: -6.79%
• 6M: -10.46%
• 1Y: 12.34%
• 3Y*: 9.54%
• 5Y*: —
• 10Y*: —

FSKAX

• 1D: -0.47%
• 1M: -7.69%
• YTD: -6.77%
• 6M: -4.56%
• 1Y: 14.73%
• 3Y*: 16.72%
• 5Y*: 10.13%
• 10Y*: 13.23%

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

AGOX vs. FSKAX - Expense Ratio Comparison

AGOX has a 1.69% expense ratio, which is higher than FSKAX's 0.02% expense ratio.

AGOX

Adaptive Alpha Opportunities ETF

FSKAX

Fidelity Total Market Index Fund

Return for Risk

AGOX vs. FSKAX — Risk / Return Rank

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

AGOX

AGOX Risk / Return Rank: 34
AGOX Sharpe Ratio Rank: 31
AGOX Sortino Ratio Rank: 35
AGOX Omega Ratio Rank: 34
AGOX Calmar Ratio Rank: 35
AGOX Martin Ratio Rank: 36

FSKAX

FSKAX Risk / Return Rank: 45
FSKAX Sharpe Ratio Rank: 40
FSKAX Sortino Ratio Rank: 44
FSKAX Omega Ratio Rank: 48
FSKAX Calmar Ratio Rank: 41
FSKAX 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.

AGOX vs. FSKAX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Adaptive Alpha Opportunities ETF (AGOX) 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.

	AGOX	FSKAX	Difference
Sharpe ratio Return per unit of total volatility	0.56	0.83	-0.27
Sortino ratio Return per unit of downside risk	0.97	1.29	-0.31
Omega ratio Gain probability vs. loss probability	1.13	1.19	-0.06
Calmar ratio Return relative to maximum drawdown	0.86	1.04	-0.19
Martin ratio Return relative to average drawdown	3.15	5.05	-1.89
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

AGOX vs. FSKAX - Sharpe Ratio Comparison

The current AGOX Sharpe Ratio is 0.56, which is lower than the FSKAX Sharpe Ratio of 0.83. The chart below compares the historical Sharpe Ratios of AGOX and FSKAX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	AGOX	FSKAX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.56	0.83	-0.27
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.59	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.72	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.23	0.78	-0.54

Correlation

The correlation between AGOX and FSKAX is 0.83, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

AGOX vs. FSKAX - Dividend Comparison

AGOX's dividend yield for the trailing twelve months is around 3.46%, more than FSKAX's 1.09% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AGOX Adaptive Alpha Opportunities ETF	3.46%	3.23%	3.94%	0.27%	0.20%	6.36%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
FSKAX Fidelity Total Market Index Fund	1.09%	1.01%	1.19%	1.41%	1.62%	1.15%	1.45%	1.94%	2.54%	2.07%	2.43%	0.82%

Drawdowns

AGOX vs. FSKAX - Drawdown Comparison

The maximum AGOX drawdown since its inception was -26.93%, smaller than the maximum FSKAX drawdown of -35.01%. Use the drawdown chart below to compare losses from any high point for AGOX and FSKAX.

Drawdown Indicators

	AGOX	FSKAX	Difference
Max Drawdown Largest peak-to-trough decline	-26.93%	-35.01%	+8.08%
Max Drawdown (1Y) Largest decline over 1 year	-15.32%	-12.42%	-2.90%
Max Drawdown (5Y) Largest decline over 5 years	—	-25.39%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-35.01%	—
Current Drawdown Current decline from peak	-12.52%	-8.92%	-3.60%
Average Drawdown Average peak-to-trough decline	-8.38%	-4.05%	-4.33%
Ulcer Index Depth and duration of drawdowns from previous peaks	4.16%	2.57%	+1.59%

Volatility

AGOX vs. FSKAX - Volatility Comparison

Adaptive Alpha Opportunities ETF (AGOX) has a higher volatility of 7.31% compared to Fidelity Total Market Index Fund (FSKAX) at 4.42%. This indicates that AGOX's price experiences larger fluctuations and is considered to be riskier than FSKAX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	AGOX	FSKAX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.31%	4.42%	+2.89%
Volatility (6M) Calculated over the trailing 6-month period	12.41%	9.40%	+3.01%
Volatility (1Y) Calculated over the trailing 1-year period	22.30%	18.50%	+3.80%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.26%	17.38%	+1.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.26%	18.42%	+0.84%