FORTX vs. FSIRX

Last updated Jun 4, 2026

FORTX (Abraham Fortress Fund) and FSIRX (Fidelity Advisor Strategic Real Return Fund Class I) are both Diversified Portfolio funds. Over the past 3 years, FORTX returned 11.41%/yr vs 10.15%/yr for FSIRX. A 0.62 correlation means they provide meaningful diversification when combined. FORTX charges 0.75%/yr vs 0.70%/yr for FSIRX.

Performance

FORTX vs. FSIRX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Abraham Fortress Fund (FORTX) and Fidelity Advisor Strategic Real Return Fund Class I (FSIRX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, FORTX achieves a 13.97% return, which is significantly higher than FSIRX's 8.74% return.

FORTX

• 1D: 0.16%
• 1M: 2.03%
• YTD: 13.97%
• 6M: 14.30%
• 1Y: 29.23%
• 3Y*: 11.41%
• 5Y*: —
• 10Y*: —

FSIRX

• 1D: 0.31%
• 1M: 0.10%
• YTD: 8.74%
• 6M: 8.99%
• 1Y: 16.71%
• 3Y*: 10.15%
• 5Y*: 6.36%
• 10Y*: 5.76%

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

FORTX vs. FSIRX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
FORTX Abraham Fortress Fund	13.97%	9.40%	7.45%	10.51%	-6.32%	1.81%
FSIRX Fidelity Advisor Strategic Real Return Fund Class I	8.74%	10.38%	5.83%	4.58%	-3.34%	1.00%

Correlation

The correlation between FORTX and FSIRX is 0.63, 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	0.63
Correlation (3Y) Calculated over the trailing 3-year period	0.59
Correlation (All Time) Calculated using the full available price history since Oct 15, 2021	0.62

The correlation between FORTX and FSIRX has been stable across timeframes, ranging from 0.59 to 0.63 - a consistent structural relationship.

Return for Risk

FORTX vs. FSIRX — Risk / Return Rank

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

FORTX

FORTX Risk / Return Rank: 89
FORTX Sharpe Ratio Rank: 90
FORTX Sortino Ratio Rank: 88
FORTX Omega Ratio Rank: 82
FORTX Calmar Ratio Rank: 94
FORTX Martin Ratio Rank: 91

FSIRX

FSIRX Risk / Return Rank: 96
FSIRX Sharpe Ratio Rank: 96
FSIRX Sortino Ratio Rank: 94
FSIRX Omega Ratio Rank: 92
FSIRX Calmar Ratio Rank: 98
FSIRX Martin Ratio Rank: 98

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.

FORTX vs. FSIRX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Abraham Fortress Fund (FORTX) and Fidelity Advisor Strategic Real Return Fund Class I (FSIRX). 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.

	FORTX	FSIRX	Difference
Sharpe ratio: Return per unit of total volatility	3.02	3.51	-0.49
Sortino ratio: Return per unit of downside risk	4.23	4.92	-0.69
Omega ratio: Gain probability vs. loss probability	1.54	1.70	-0.15
Calmar ratio: Return relative to maximum drawdown	5.40	8.10	-2.70
Martin ratio: Return relative to average drawdown	18.61	31.92	-13.30
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

FORTX vs. FSIRX - Sharpe Ratio Comparison

The current FORTX Sharpe Ratio is 3.02, which is comparable to the FSIRX Sharpe Ratio of 3.51. The chart below compares the historical Sharpe Ratios of FORTX and FSIRX, 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

	FORTX	FSIRX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	3.02	3.51	-0.49
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.92	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.86	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.83	0.61	+0.22

Drawdowns

FORTX vs. FSIRX - Drawdown Comparison

The maximum FORTX drawdown since its inception was -13.77%, smaller than the maximum FSIRX drawdown of -33.39%. Use the drawdown chart below to compare losses from any high point for FORTX and FSIRX.

Drawdown Indicators

	FORTX	FSIRX	Difference
Max Drawdown Largest peak-to-trough decline	-13.77%	-33.39%	+19.62%
Max Drawdown (1Y) Largest decline over 1 year	-5.51%	-2.05%	-3.46%
Max Drawdown (3Y) Largest decline over 3 years	-13.77%	-5.81%	-7.96%
Max Drawdown (5Y) Largest decline over 5 years	—	-12.82%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-19.98%	—
Current Drawdown Current decline from peak	-0.24%	-0.73%	+0.49%
Average Drawdown Average peak-to-trough decline	-3.21%	-4.17%	+0.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.59%	0.52%	+1.07%

Volatility

FORTX vs. FSIRX - Volatility Comparison

Abraham Fortress Fund (FORTX) has a higher volatility of 2.21% compared to Fidelity Advisor Strategic Real Return Fund Class I (FSIRX) at 1.32%. This indicates that FORTX's price experiences larger fluctuations and is considered to be riskier than FSIRX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	FORTX	FSIRX	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.21%	1.32%	+0.89%
Volatility (6M) Calculated over the trailing 6-month period	7.48%	3.77%	+3.71%
Volatility (1Y) Calculated over the trailing 1-year period	9.84%	4.75%	+5.09%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	9.42%	6.92%	+2.50%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	9.42%	6.74%	+2.68%

FORTX vs. FSIRX - Expense Ratio Comparison

FORTX has a 0.75% expense ratio, which is higher than FSIRX's 0.70% expense ratio.

Dividends

FORTX vs. FSIRX - Dividend Comparison

FORTX's dividend yield for the trailing twelve months is around 1.46%, less than FSIRX's 4.18% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FORTX Abraham Fortress Fund	1.46%	1.66%	0.00%	1.93%	7.76%	1.61%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
FSIRX Fidelity Advisor Strategic Real Return Fund Class I	4.18%	4.72%	4.80%	5.28%	7.33%	5.37%	2.23%	3.09%	9.42%	2.63%	2.37%	1.75%

Frequently Asked Questions

Can I hold both FORTX and FSIRX in my portfolio?

FORTX and FSIRX have a correlation of 0.63, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, FORTX or FSIRX?

FORTX has higher volatility (2.21%) compared to FSIRX (1.32%). In terms of maximum drawdown, FORTX dropped -13.77% vs FSIRX's -33.39%.

Which has better risk-adjusted returns?

FSIRX currently has the higher Sharpe Ratio (3.51 vs 3.02), 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.