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GSK.L vs. AWK
Performance
Return for Risk
Drawdowns
Volatility
Dividends
Financials

Performance

GSK.L vs. AWK - Performance Comparison

The chart below illustrates the hypothetical performance of a £10,000 investment in GlaxoSmithKline plc (GSK.L) and American Water Works Company, Inc. (AWK). The values are adjusted to include any dividend payments, if applicable.

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Different Trading Currencies

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

Returns By Period

In the year-to-date period, GSK.L achieves a 10.61% return, which is significantly higher than AWK's -1.36% return. Over the past 10 years, GSK.L has underperformed AWK with an annualized return of 6.03%, while AWK has yielded a comparatively higher 7.57% annualized return.


GSK.L

1D
1.10%
1M
6.15%
YTD
10.61%
6M
10.61%
1Y
32.87%
3Y*
17.81%
5Y*
6.60%
10Y*
6.03%

AWK

1D
1.58%
1M
0.04%
YTD
-1.36%
6M
-2.88%
1Y
-6.81%
3Y*
-4.46%
5Y*
-1.64%
10Y*
7.57%
*Multi-year figures are annualized to reflect compound growth (CAGR)

GSK.L vs. AWK - Yearly Performance Comparison


2026 (YTD)202520242023202220212020201920182017
GSK.L
GlaxoSmithKline plc
10.61%41.46%-3.51%4.94%-25.94%26.66%-20.76%25.32%19.02%-10.82%
AWK
American Water Works Company, Inc.
-1.36%-0.25%-1.85%-16.09%-8.13%26.01%23.15%32.55%7.33%17.85%

Correlation

The correlation between GSK.L and AWK is 0.15, which is low. Their price movements are largely independent, making them effective diversification partners.


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

0.15

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

0.18

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

0.17

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

0.20

Correlation (All Time)
Calculated using the full available price history since Apr 23, 2008

0.19

Fundamentals

Market Cap

GSK.L:

£80.83B

AWK:

$24.63B

EPS

GSK.L:

£1.42

AWK:

$5.65

PE Ratio

GSK.L:

13.93

AWK:

22.35

PS Ratio

GSK.L:

2.48

AWK:

4.73

PB Ratio

GSK.L:

4.53

AWK:

2.23

Total Revenue (TTM)

GSK.L:

£32.78B

AWK:

$5.21B

Gross Profit (TTM)

GSK.L:

£23.84B

AWK:

$2.27B

EBITDA (TTM)

GSK.L:

£11.56B

AWK:

$2.48B

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Return for Risk

GSK.L vs. AWK — Risk / Return Rank

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

GSK.L
GSK.L Risk / Return Rank: 7676
Overall Rank
GSK.L Sharpe Ratio Rank: 8080
Sharpe Ratio Rank
GSK.L Sortino Ratio Rank: 7878
Sortino Ratio Rank
GSK.L Omega Ratio Rank: 7575
Omega Ratio Rank
GSK.L Calmar Ratio Rank: 7474
Calmar Ratio Rank
GSK.L Martin Ratio Rank: 7575
Martin Ratio Rank

AWK
AWK Risk / Return Rank: 2424
Overall Rank
AWK Sharpe Ratio Rank: 2626
Sharpe Ratio Rank
AWK Sortino Ratio Rank: 2323
Sortino Ratio Rank
AWK Omega Ratio Rank: 2424
Omega Ratio Rank
AWK Calmar Ratio Rank: 2424
Calmar Ratio Rank
AWK Martin Ratio Rank: 2323
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.

GSK.L vs. AWK - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for GlaxoSmithKline plc (GSK.L) and American Water Works Company, Inc. (AWK). 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.


GSK.LAWKDifference
Sharpe ratioReturn per unit of total volatility

+1.61

Sortino ratioReturn per unit of downside risk

+2.34

Omega ratioGain probability vs. loss probability

1.25

0.97

+0.28

Calmar ratioReturn relative to maximum drawdown

1.78

-0.38

+2.17

Martin ratioReturn relative to average drawdown

4.57

-0.74

+5.31

GSK.L vs. AWK - Sharpe Ratio Comparison

The current GSK.L Sharpe Ratio is 1.31, which is higher than the AWK Sharpe Ratio of -0.30. The chart below compares the historical Sharpe Ratios of GSK.L and AWK, 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

GSK.L vs. AWK - Drawdown Comparison

The maximum GSK.L drawdown since its inception was -42.39%, which is greater than AWK's maximum drawdown of -31.49%. Use the drawdown chart below to compare losses from any high point for GSK.L and AWK.


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Drawdown Indicators


GSK.LAWKDifference

Max Drawdown

Largest peak-to-trough decline

-42.39%

-31.49%

-10.90%

Max Drawdown (1Y)

Largest decline over 1 year

-18.35%

-17.91%

-0.44%

Max Drawdown (3Y)

Largest decline over 3 years

-27.42%

-21.18%

-6.24%

Max Drawdown (5Y)

Largest decline over 5 years

-42.39%

-31.49%

-10.90%

Max Drawdown (10Y)

Largest decline over 10 years

-42.39%

-31.49%

-10.90%

Current Drawdown

Current decline from peak

-11.02%

-25.55%

+14.53%

Average Drawdown

Average peak-to-trough decline

-12.78%

-8.85%

-3.93%

Ulcer Index

Depth and duration of drawdowns from previous peaks

6.93%

9.21%

-2.28%

Volatility

GSK.L vs. AWK - Volatility Comparison

GlaxoSmithKline plc (GSK.L) and American Water Works Company, Inc. (AWK) have volatilities of 6.10% and 6.42%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.


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Volatility by Period


GSK.LAWKDifference

Volatility (1M)

Calculated over the trailing 1-month period

6.10%

6.42%

-0.32%

Volatility (6M)

Calculated over the trailing 6-month period

18.09%

17.11%

+0.98%

Volatility (1Y)

Calculated over the trailing 1-year period

25.04%

22.46%

+2.58%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

23.68%

22.61%

+1.07%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

22.09%

24.49%

-2.40%

Dividends

GSK.L vs. AWK - Dividend Comparison

GSK.L's dividend yield for the trailing twelve months is around 3.38%, more than AWK's 2.67% yield.


PositionTTM20252024202320222021202020192018201720162015
AWK
American Water Works Company, Inc.
2.67%2.49%2.41%2.10%1.68%1.25%1.40%1.59%1.96%1.77%2.02%2.23%
GSK.L
GlaxoSmithKline plc
3.38%3.51%4.53%3.84%5.30%4.93%5.90%4.45%5.31%5.99%4.88%5.77%

Financials

GSK.L vs. AWK - Financials Comparison

This section allows you to compare key financial metrics between GlaxoSmithKline plc and American Water Works Company, 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.


Quarterly
Annual

Total Revenue: Total amount of money received from sales and other business activities


0.002.00B4.00B6.00B8.00B20222023202420252026
7.63B
1.21B
(GSK.L) Total Revenue
(AWK) Total Revenue
Please note, different currencies. GSK.L values in GBP, AWK values in USD

GSK.L vs. AWK - Profitability Comparison

The chart below illustrates the profitability comparison between GlaxoSmithKline plc and American Water Works Company, Inc. over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

Gross Margin
Operating Margin
Net Margin
Quarterly
Annual

-20.0%0.0%20.0%40.0%60.0%80.0%20222023202420252026
75.4%
59.2%
Portfolio components
GSK.L - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, GlaxoSmithKline plc reported a gross profit of 5.75B and revenue of 7.63B. Therefore, the gross margin over that period was 75.4%.

AWK - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, American Water Works Company, Inc. reported a gross profit of 714.00M and revenue of 1.21B. Therefore, the gross margin over that period was 59.2%.

GSK.L - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, GlaxoSmithKline plc reported an operating income of 2.29B and revenue of 7.63B, resulting in an operating margin of 30.1%.

AWK - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, American Water Works Company, Inc. reported an operating income of 391.00M and revenue of 1.21B, resulting in an operating margin of 32.4%.

GSK.L - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, GlaxoSmithKline plc reported a net income of 1.74B and revenue of 7.63B, resulting in a net margin of 22.8%.

AWK - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, American Water Works Company, Inc. reported a net income of 196.00M and revenue of 1.21B, resulting in a net margin of 16.2%.


Frequently Asked Questions


GSK.L and AWK have a correlation of 0.15, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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