PHSP.L vs. DGX

Last updated Jun 9, 2026

PHSP.L (WisdomTree Physical Silver) is Silver fund tracking the LBMA Silver Price, while DGX (Quest Diagnostics Incorporated) is a stock. Over the past 10 years, PHSP.L returned 15.07%/yr vs 12.92%/yr for DGX. At a 0.02 correlation, their price movements are largely independent.

Performance

PHSP.L vs. DGX - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in WisdomTree Physical Silver (PHSP.L) and Quest Diagnostics Incorporated (DGX). The values are adjusted to include any dividend payments, if applicable.

Different Trading Currencies

PHSP.L is traded in GBp, while DGX is traded in USD. To make them comparable, the DGX values have been converted to GBp using the latest available exchange rates.

Returns By Period

In the year-to-date period, PHSP.L achieves a -3.61% return, which is significantly lower than DGX's 17.62% return. Over the past 10 years, PHSP.L has outperformed DGX with an annualized return of 15.07%, while DGX has yielded a comparatively lower 12.92% annualized return.

PHSP.L

• 1D: -0.11%
• 1M: -12.62%
• YTD: -3.61%
• 6M: 17.65%
• 1Y: 92.07%
• 3Y*: 37.69%
• 5Y*: 20.50%
• 10Y*: 15.07%

DGX

• 1D: 0.00%
• 1M: 9.23%
• YTD: 17.62%
• 6M: 10.99%
• 1Y: 18.60%
• 3Y*: 14.21%
• 5Y*: 12.88%
• 10Y*: 12.92%

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

PHSP.L vs. DGX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
PHSP.L WisdomTree Physical Silver	-3.61%	129.68%	22.85%	-6.51%	15.50%	-12.11%	40.85%	12.57%	-3.55%	-5.67%
DGX Quest Diagnostics Incorporated	15.78%	8.85%	13.72%	-14.55%	3.17%	49.26%	10.76%	26.14%	-8.73%	-0.28%

Correlation

The correlation between PHSP.L and DGX is -0.01, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.01
Correlation (3Y) Calculated over the trailing 3-year period	-0.03
Correlation (5Y) Calculated over the trailing 5-year period	-0.05
Correlation (10Y) Calculated over the trailing 10-year period	0.02
Correlation (All Time) Calculated using the full available price history since Jan 3, 2008	0.02

Return for Risk

PHSP.L vs. DGX — Risk / Return Rank

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

PHSP.L

PHSP.L Risk / Return Rank: 50
PHSP.L Sharpe Ratio Rank: 55
PHSP.L Sortino Ratio Rank: 47
PHSP.L Omega Ratio Rank: 57
PHSP.L Calmar Ratio Rank: 53
PHSP.L Martin Ratio Rank: 36

DGX

DGX Risk / Return Rank: 63
DGX Sharpe Ratio Rank: 65
DGX Sortino Ratio Rank: 59
DGX Omega Ratio Rank: 57
DGX Calmar Ratio Rank: 68
DGX Martin Ratio Rank: 66

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.

PHSP.L vs. DGX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for WisdomTree Physical Silver (PHSP.L) and Quest Diagnostics Incorporated (DGX). 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.

	PHSP.L	DGX	Difference
Sharpe ratio: Return per unit of total volatility	1.69	0.80	+0.89
Sortino ratio: Return per unit of downside risk	2.10	1.36	+0.74
Omega ratio: Gain probability vs. loss probability	1.32	1.16	+0.15
Calmar ratio: Return relative to maximum drawdown	2.36	1.52	+0.85
Martin ratio: Return relative to average drawdown	5.08	3.25	+1.84
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

PHSP.L vs. DGX - Sharpe Ratio Comparison

The current PHSP.L Sharpe Ratio is 1.69, which is higher than the DGX Sharpe Ratio of 0.80. The chart below compares the historical Sharpe Ratios of PHSP.L and DGX, 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

	PHSP.L	DGX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.69	0.80	+0.89
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.57	0.59	-0.02
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.49	0.53	-0.05
Sharpe Ratio (All Time) Calculated using the full available price history	0.13	0.46	-0.33

Drawdowns

PHSP.L vs. DGX - Drawdown Comparison

The maximum PHSP.L drawdown since its inception was -70.04%, which is greater than DGX's maximum drawdown of -33.38%. Use the drawdown chart below to compare losses from any high point for PHSP.L and DGX.

Drawdown Indicators

	PHSP.L	DGX	Difference
Max Drawdown Largest peak-to-trough decline	-70.04%	-33.38%	-36.66%
Max Drawdown (1Y) Largest decline over 1 year	-38.75%	-12.32%	-26.43%
Max Drawdown (3Y) Largest decline over 3 years	-38.75%	-12.73%	-26.02%
Max Drawdown (5Y) Largest decline over 5 years	-38.75%	-26.65%	-12.10%
Max Drawdown (10Y) Largest decline over 10 years	-38.75%	-33.38%	-5.37%
Current Drawdown Current decline from peak	-37.95%	-4.05%	-33.90%
Average Drawdown Average peak-to-trough decline	-44.04%	-9.28%	-34.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	18.05%	5.74%	+12.31%

Volatility

PHSP.L vs. DGX - Volatility Comparison

WisdomTree Physical Silver (PHSP.L) has a higher volatility of 15.86% compared to Quest Diagnostics Incorporated (DGX) at 5.25%. This indicates that PHSP.L's price experiences larger fluctuations and is considered to be riskier than DGX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	PHSP.L	DGX	Difference
Volatility (1M) Calculated over the trailing 1-month period	15.86%	5.25%	+10.61%
Volatility (6M) Calculated over the trailing 6-month period	51.58%	17.63%	+33.95%
Volatility (1Y) Calculated over the trailing 1-year period	54.42%	23.43%	+30.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	36.13%	22.07%	+14.06%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.02%	24.42%	+6.60%

Dividends

PHSP.L vs. DGX - Dividend Comparison

PHSP.L has not paid dividends to shareholders, while DGX's dividend yield for the trailing twelve months is around 1.65%.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
DGX Quest Diagnostics Incorporated	1.65%	1.82%	1.96%	2.02%	1.66%	1.40%	1.85%	1.99%	2.34%	1.83%	1.72%	2.07%
PHSP.L WisdomTree Physical Silver	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both PHSP.L and DGX in my portfolio?

PHSP.L and DGX have a correlation of -0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.