QDEL vs. PB
QDEL (Quidel Corporation) and PB (Prosperity Bancshares, Inc.) are both stocks. QDEL operates in Diagnostics & Research (Healthcare), while PB operates in Banks - Regional (Financial Services). Over the past 10 years, QDEL returned -2.99%/yr vs 7.18%/yr for PB. Their 0.24 correlation means their historical movements had little consistent relationship.
Performance
QDEL vs. PB - Performance Comparison
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Returns By Period
In the year-to-date period, QDEL achieves a -41.28% return, which is significantly lower than PB's 10.25% return. Over the past 10 years, QDEL has underperformed PB with an annualized return of -2.99%, while PB has yielded a comparatively higher 7.18% annualized return.
QDEL
- 1D
- 1.21%
- 1M
- -8.11%
- 6M
- -38.28%
- YTD
- -41.28%
- 1Y
- -26.48%
- 3Y*
- -41.80%
- 5Y*
- -34.72%
- 10Y*
- -2.99%
- ALL TIME*
- 4.07%
PB
- 1D
- 0.07%
- 1M
- 5.60%
- 6M
- 10.41%
- YTD
- 10.25%
- 1Y
- 17.55%
- 3Y*
- 9.53%
- 5Y*
- 5.34%
- 10Y*
- 7.18%
- ALL TIME*
- 11.74%
Liquidity Comparison
| Position | Avg. Volume Value (2W) | Avg. Volume Value (1M) | Avg. Volume Value (3M) |
|---|---|---|---|
| $74.42M | $95.32M | $80.58M | |
| $16.85M | $19.09M | $24.65M |
QDEL vs. PB - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
QDEL Quidel Corporation | -41.28% | -35.89% | -39.55% | -13.97% | -36.54% | -24.86% | 139.44% | 53.69% | 12.62% | 102.38% |
PB Prosperity Bancshares, Inc. | 10.25% | -5.15% | 15.06% | -3.34% | 3.64% | 7.13% | -0.27% | 18.19% | -9.22% | -0.37% |
Correlation
The correlation between QDEL and PB is 0.25, which is low. Their historical price movements had little consistent relationship.
| Correlation | |
|---|---|
Correlation (1Y) Focuses on recent behavior, but can change the most. | 0.25 |
Correlation (3Y) Balances recent behavior with more history. | 0.30 |
Correlation (5Y) Shows whether the relationship held over a longer period. | 0.26 |
Correlation (10Y) Provides a long-term view across more market conditions. | 0.20 |
Correlation (All Time) Calculated using the full available price history since Nov 12, 1998 | 0.24 |
Fundamentals
QDEL:
$1.14B
PB:
$7.54B
QDEL:
-$17.81
PB:
$5.76
QDEL:
0.43
PB:
4.11
QDEL:
0.62
PB:
0.91
QDEL:
$2.66B
PB:
$1.78B
QDEL:
$1.50B
PB:
$1.29B
QDEL:
-$662.00M
PB:
$750.70M
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Return for Risk
QDEL vs. PB — Risk / Return Rank
QDEL
PB
QDEL vs. PB - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Quidel Corporation (QDEL) and Prosperity Bancshares, Inc. (PB). 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.
| QDEL | PB | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.06 | ||
| Sortino ratioReturn per unit of downside risk | -1.01 | ||
| Omega ratioGain probability vs. loss probability | 1.01 | 1.14 | -0.13 |
| Calmar ratioReturn relative to maximum drawdown | -0.38 | 1.10 | -1.48 |
| Martin ratioReturn relative to average drawdown | -0.68 | 2.62 | -3.30 |
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Drawdowns
QDEL vs. PB - Drawdown Comparison
The maximum QDEL drawdown since its inception was -96.70%, which is greater than PB's maximum drawdown of -47.89%. Use the drawdown chart below to compare losses from any high point for QDEL and PB.
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Drawdown Indicators
| QDEL | PB | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -96.70% | -47.89% | -48.81% |
Max Drawdown (1Y)Largest decline over 1 year | -71.85% | -14.92% | -56.93% |
Max Drawdown (3Y)Largest decline over 3 years | -88.13% | -24.84% | -63.29% |
Max Drawdown (5Y)Largest decline over 5 years | -94.30% | -34.37% | -59.93% |
Max Drawdown (10Y)Largest decline over 10 years | -96.70% | -42.24% | -54.46% |
Current DrawdownCurrent decline from peak | -94.45% | -6.70% | -87.75% |
Average DrawdownAverage peak-to-trough decline | -40.37% | -10.72% | -29.65% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 39.74% | 6.25% | +33.49% |
Volatility
QDEL vs. PB - Volatility Comparison
Quidel Corporation (QDEL) has a higher volatility of 12.90% compared to Prosperity Bancshares, Inc. (PB) at 6.43%. This indicates that QDEL's price experiences larger fluctuations and is considered to be riskier than PB based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| QDEL | PB | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 12.90% | 6.43% | +6.47% |
Volatility (6M)Calculated over the trailing 6-month period | 70.16% | 14.17% | +55.99% |
Volatility (1Y)Calculated over the trailing 1-year period | 84.91% | 22.22% | +62.69% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 61.71% | 25.30% | +36.41% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 58.64% | 30.38% | +28.26% |
Dividends
QDEL vs. PB - Dividend Comparison
QDEL has not paid dividends to shareholders, while PB's dividend yield for the trailing twelve months is around 3.18%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PB Prosperity Bancshares, Inc. | 3.18% | 3.39% | 3.00% | 3.26% | 2.90% | 2.75% | 2.70% | 2.35% | 2.39% | 1.97% | 1.73% | 2.33% |
QDEL Quidel Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Financials
QDEL vs. PB - Financials Comparison
This section allows you to compare key financial metrics between Quidel Corporation and Prosperity Bancshares, Inc.. You can select fields from income statements, balance sheets, and cash flow statements to easily visualize and compare the financial health of both companies.
Total Revenue: Total amount of money received from sales and other business activities
QDEL vs. PB - Profitability Comparison
QDEL - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Quidel Corporation reported a gross profit of 573.00M and revenue of 619.80M. Therefore, the gross margin over that period was 92.5%.
PB - Gross Margin
Gross margin is calculated as gross profit divided by revenue. For the three months ending on Aug 2026, Prosperity Bancshares, Inc. reported a gross profit of 391.06M and revenue of 520.00M. Therefore, the gross margin over that period was 75.2%.
QDEL - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Quidel Corporation reported an operating income of -31.80M and revenue of 619.80M, resulting in an operating margin of -5.1%.
PB - Operating Margin
Operating margin is calculated as operating income divided by revenue. For the three months ending on Aug 2026, Prosperity Bancshares, Inc. reported an operating income of 215.08M and revenue of 520.00M, resulting in an operating margin of 41.4%.
QDEL - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Quidel Corporation reported a net income of -91.80M and revenue of 619.80M, resulting in a net margin of -14.8%.
PB - Net Margin
Net margin is calculated as net income divided by revenue. For the three months ending on Aug 2026, Prosperity Bancshares, Inc. reported a net income of 168.58M and revenue of 520.00M, resulting in a net margin of 32.4%.
Frequently Asked Questions
QDEL and PB have a correlation of 0.25, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
QDEL has higher volatility (12.90%) compared to PB (6.43%). In terms of maximum drawdown, QDEL dropped -96.70% vs PB's -47.89%.
PB currently has the higher Sharpe Ratio (0.74 vs -0.32), 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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