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PB vs. SPY
Performance
Return for Risk
Drawdowns
Volatility
Dividends

PB vs. SPY

Last updated Jun 19, 2026

PB (Prosperity Bancshares, Inc.) is a stock, while SPY (State Street SPDR S&P 500 ETF) is S&P 500 fund tracking the S&P 500 Index. Over the past 10 years, PB returned 6.46%/yr vs 15.48%/yr for SPY. At a 0.50 correlation, their price movements are largely independent.

Performance

PB vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Prosperity Bancshares, Inc. (PB) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, PB achieves a 4.83% return, which is significantly lower than SPY's 10.09% return. Over the past 10 years, PB has underperformed SPY with an annualized return of 6.46%, while SPY has yielded a comparatively higher 15.48% annualized return.

PB

1D
0.58%
1M
5.70%
YTD
4.83%
6M
1.50%
1Y
8.83%
3Y*
9.95%
5Y*
3.78%
10Y*
6.46%

SPY

1D
1.04%
1M
2.04%
YTD
10.09%
6M
11.30%
1Y
26.75%
3Y*
20.82%
5Y*
14.00%
10Y*
15.48%
*Multi-year figures are annualized to reflect compound growth (CAGR)

PB vs. SPY - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
PB
Prosperity Bancshares, Inc.		4.83%-5.15%15.06%-3.34%3.64%7.13%-0.27%18.19%-9.22%-0.37%
SPY
State Street SPDR S&P 500 ETF		10.09%17.72%24.89%26.18%-18.18%28.73%18.33%31.22%-4.57%21.71%

Correlation

The correlation between PB and SPY is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.36

Correlation (3Y)
Calculated over the trailing 3-year period

0.43

Correlation (5Y)
Calculated over the trailing 5-year period

0.50

Correlation (10Y)
Calculated over the trailing 10-year period

0.50

Correlation (All Time)
Calculated using the full available price history since Nov 12, 1998

0.50

The correlation between PB and SPY shifts across timeframes, from 0.36 (1 year) to 0.50 (10 years), reflecting how their relationship changes across market environments.

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Prosperity Bancshares, Inc.

State Street SPDR S&P 500 ETF

Often compared with PB:
PB vs. VOOPB vs. SCHDPB vs. CFRPB vs. ORIPB vs. XLFPB vs. UBSIPB vs. RF
Often compared with SPY:
SPY vs. QQQSPY vs. VOOSPY vs. BRK-BSPY vs. RSPSPY vs. VTISPY vs. SCHDSPY vs. GLD

Return for Risk

PB vs. SPY — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
PB
PB Risk / Return Rank: 5151
Overall Rank
PB Sharpe Ratio Rank: 5555
Sharpe Ratio Rank
PB Sortino Ratio Rank: 4646
Sortino Ratio Rank
PB Omega Ratio Rank: 4747
Omega Ratio Rank
PB Calmar Ratio Rank: 5454
Calmar Ratio Rank
PB Martin Ratio Rank: 5353
Martin Ratio Rank
SPY
SPY Risk / Return Rank: 7171
Overall Rank
SPY Sharpe Ratio Rank: 7373
Sharpe Ratio Rank
SPY Sortino Ratio Rank: 6969
Sortino Ratio Rank
SPY Omega Ratio Rank: 7272
Omega Ratio Rank
SPY Calmar Ratio Rank: 6565
Calmar Ratio Rank
SPY Martin Ratio Rank: 7777
Martin Ratio Rank
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.

PB vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Prosperity Bancshares, Inc. (PB) and State Street SPDR S&P 500 ETF (SPY). 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.

PBSPYDifference
Sharpe ratioReturn per unit of total volatility
0.39
2.17

-1.78

Sortino ratioReturn per unit of downside risk
0.66
2.92

-2.26

Omega ratioGain probability vs. loss probability

1.09

1.39

-0.31

Calmar ratioReturn relative to maximum drawdown

0.54

3.02

-2.48

Martin ratioReturn relative to average drawdown

1.02

13.61

-12.58

PB vs. SPY - Sharpe Ratio Comparison

The current PB Sharpe Ratio is 0.39, which is lower than the SPY Sharpe Ratio of 2.17. The chart below compares the historical Sharpe Ratios of PB and SPY, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

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Drawdowns

PB vs. SPY - Drawdown Comparison

The maximum PB drawdown since its inception was -47.89%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for PB and SPY.

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Drawdown Indicators

PBSPYDifference

Max Drawdown

Largest peak-to-trough decline

-47.89%

-55.19%

+7.30%

Max Drawdown (1Y)

Largest decline over 1 year

-16.45%

-8.88%

-7.57%

Max Drawdown (3Y)

Largest decline over 3 years

-24.84%

-18.76%

-6.08%

Max Drawdown (5Y)

Largest decline over 5 years

-34.37%

-24.50%

-9.87%

Max Drawdown (10Y)

Largest decline over 10 years

-42.24%

-33.72%

-8.52%

Current Drawdown

Current decline from peak

-11.29%

-1.44%

-9.85%

Average Drawdown

Average peak-to-trough decline

-10.73%

-9.04%

-1.69%

Ulcer Index

Depth and duration of drawdowns from previous peaks

8.64%

1.97%

+6.67%

Volatility

PB vs. SPY - Volatility Comparison

Prosperity Bancshares, Inc. (PB) has a higher volatility of 5.49% compared to State Street SPDR S&P 500 ETF (SPY) at 4.73%. This indicates that PB's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

PBSPYDifference

Volatility (1M)

Calculated over the trailing 1-month period

5.49%

4.73%

+0.76%

Volatility (6M)

Calculated over the trailing 6-month period

16.60%

9.81%

+6.79%

Volatility (1Y)

Calculated over the trailing 1-year period

22.98%

12.41%

+10.57%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

25.45%

17.15%

+8.30%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

30.77%

17.98%

+12.79%

Dividends

PB vs. SPY - Dividend Comparison

PB's dividend yield for the trailing twelve months is around 3.34%, more than SPY's 1.24% yield.

PositionTTM20252024202320222021202020192018201720162015
PB
Prosperity Bancshares, Inc.		3.34%3.39%3.00%3.26%2.90%2.75%2.70%2.35%2.39%1.97%1.73%2.33%
SPY
State Street SPDR S&P 500 ETF		1.24%1.07%1.21%1.40%1.65%1.20%1.52%1.75%2.04%1.80%2.03%2.06%

Frequently Asked Questions

PB and SPY have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

PB has higher volatility (5.49%) compared to SPY (4.73%). In terms of maximum drawdown, PB dropped -47.89% vs SPY's -55.19%.

SPY currently has the higher Sharpe Ratio (2.17 vs 0.39), 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.

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