PLD vs. FSMDX

Last updated Jul 21, 2026

PLD (Prologis, Inc.) is a stock, while FSMDX (Fidelity Mid Cap Index Fund) is Mid Cap Blend Equities fund tracking the Russell Midcap Index. Over the past 10 years, PLD returned 14.06%/yr vs 11.49%/yr for FSMDX. A 0.59 correlation means they provide meaningful diversification when combined.

Performance

PLD vs. FSMDX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Prologis, Inc. (PLD) and Fidelity Mid Cap Index Fund (FSMDX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, PLD achieves a 17.30% return, which is significantly higher than FSMDX's 14.30% return. Over the past 10 years, PLD has outperformed FSMDX with an annualized return of 14.06%, while FSMDX has yielded a comparatively lower 11.49% annualized return.

PLD

• 1D: -1.54%
• 1M: 4.94%
• 6M: 12.41%
• YTD: 17.30%
• 1Y: 42.59%
• 3Y*: 8.96%
• 5Y*: 6.06%
• 10Y*: 14.06%
• ALL TIME*: 11.87%

FSMDX

• 1D: -0.59%
• 1M: 0.76%
• 6M: 9.13%
• YTD: 14.30%
• 1Y: 18.07%
• 3Y*: 14.93%
• 5Y*: 8.81%
• 10Y*: 11.49%
• ALL TIME*: 12.63%

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

PLD vs. FSMDX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PLD Prologis, Inc.	17.30%	25.08%	-18.12%	21.58%	-31.33%	72.33%	14.74%	55.87%	-6.25%	25.94%
FSMDX Fidelity Mid Cap Index Fund	14.30%	10.58%	15.55%	17.20%	-17.27%	22.56%	17.13%	30.53%	-9.38%	18.04%

Correlation

The correlation between PLD and FSMDX is 0.49, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.49
Correlation (3Y) Calculated over the trailing 3-year period	0.57
Correlation (5Y) Calculated over the trailing 5-year period	0.59
Correlation (10Y) Calculated over the trailing 10-year period	0.55
Correlation (All Time) Calculated using the full available price history since Sep 9, 2011	0.59

The correlation between PLD and FSMDX has been stable across timeframes, ranging from 0.49 to 0.59 - a consistent structural relationship.

Return for Risk

PLD vs. FSMDX — Risk / Return Rank

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

PLD

PLD Risk / Return Rank: 91
PLD Sharpe Ratio Rank: 91
PLD Sortino Ratio Rank: 90
PLD Omega Ratio Rank: 88
PLD Calmar Ratio Rank: 93
PLD Martin Ratio Rank: 94

FSMDX

FSMDX Risk / Return Rank: 42
FSMDX Sharpe Ratio Rank: 35
FSMDX Sortino Ratio Rank: 36
FSMDX Omega Ratio Rank: 33
FSMDX Calmar Ratio Rank: 52
FSMDX 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.

PLD vs. FSMDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Prologis, Inc. (PLD) and Fidelity Mid Cap Index Fund (FSMDX). 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.

	PLD	FSMDX	Difference
Sharpe ratio: Return per unit of total volatility	1.93	1.35	+0.58
Sortino ratio: Return per unit of downside risk	2.78	1.99	+0.79
Omega ratio: Gain probability vs. loss probability	1.34	1.24	+0.10
Calmar ratio: Return relative to maximum drawdown	4.46	2.27	+2.20
Martin ratio: Return relative to average drawdown	13.68	8.67	+5.00

PLD vs. FSMDX - Sharpe Ratio Comparison

The current PLD Sharpe Ratio is 1.93, which is higher than the FSMDX Sharpe Ratio of 1.35. The chart below compares the historical Sharpe Ratios of PLD and FSMDX, 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

PLD vs. FSMDX - Drawdown Comparison

The maximum PLD drawdown since its inception was -84.70%, which is greater than FSMDX's maximum drawdown of -40.35%. Use the drawdown chart below to compare losses from any high point for PLD and FSMDX.

Drawdown Indicators

	PLD	FSMDX	Difference
Max Drawdown Largest peak-to-trough decline	-84.70%	-40.35%	-44.35%
Max Drawdown (1Y) Largest decline over 1 year	-9.59%	-8.16%	-1.43%
Max Drawdown (3Y) Largest decline over 3 years	-31.37%	-20.92%	-10.45%
Max Drawdown (5Y) Largest decline over 5 years	-43.30%	-26.07%	-17.23%
Max Drawdown (10Y) Largest decline over 10 years	-43.30%	-40.35%	-2.95%
Current Drawdown Current decline from peak	-2.89%	-1.12%	-1.77%
Average Drawdown Average peak-to-trough decline	-17.32%	-4.92%	-12.40%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.12%	2.13%	+0.99%

Volatility

PLD vs. FSMDX - Volatility Comparison

Prologis, Inc. (PLD) has a higher volatility of 7.96% compared to Fidelity Mid Cap Index Fund (FSMDX) at 3.18%. This indicates that PLD's price experiences larger fluctuations and is considered to be riskier than FSMDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PLD	FSMDX	Difference
Volatility (1M) Calculated over the trailing 1-month period	7.96%	3.18%	+4.78%
Volatility (6M) Calculated over the trailing 6-month period	16.44%	10.39%	+6.05%
Volatility (1Y) Calculated over the trailing 1-year period	22.27%	13.75%	+8.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	27.13%	18.30%	+8.83%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	27.07%	19.26%	+7.81%

Dividends

PLD vs. FSMDX - Dividend Comparison

PLD's dividend yield for the trailing twelve months is around 2.82%, more than FSMDX's 0.76% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
FSMDX Fidelity Mid Cap Index Fund	0.76%	1.10%	2.46%	1.39%	2.07%	3.35%	2.34%	2.86%	2.21%	2.17%	2.23%	2.84%
PLD Prologis, Inc.	2.82%	3.16%	3.63%	2.61%	2.80%	1.50%	2.33%	2.38%	3.27%	2.73%	3.18%	3.54%

Frequently Asked Questions

Can I hold both PLD and FSMDX in my portfolio?

PLD and FSMDX have a correlation of 0.49, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, PLD or FSMDX?

PLD has higher volatility (7.96%) compared to FSMDX (3.18%). In terms of maximum drawdown, PLD dropped -84.70% vs FSMDX's -40.35%.

Which has better risk-adjusted returns?

PLD currently has the higher Sharpe Ratio (1.93 vs 1.35), 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.