STRNY vs. AMZN

Last updated Jun 4, 2026

STRNY (Severn Trent PLC PK) and AMZN (Amazon.com, Inc) are both stocks. STRNY operates in Utilities - Regulated Water (Utilities), while AMZN operates in Internet Retail (Consumer Cyclical). Over the past 10 years, STRNY returned 6.49%/yr vs 21.29%/yr for AMZN. At a 0.06 correlation, their price movements are largely independent.

Performance

STRNY vs. AMZN - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Severn Trent PLC PK (STRNY) and Amazon.com, Inc (AMZN). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both investments are quite close, with STRNY having a 8.11% return and AMZN slightly higher at 8.32%. Over the past 10 years, STRNY has underperformed AMZN with an annualized return of 6.49%, while AMZN has yielded a comparatively higher 21.29% annualized return.

STRNY

• 1D: 0.44%
• 1M: -5.61%
• YTD: 8.11%
• 6M: 7.13%
• 1Y: 16.08%
• 3Y*: 10.91%
• 5Y*: 6.50%
• 10Y*: 6.49%

AMZN

• 1D: -2.53%
• 1M: -8.10%
• YTD: 8.32%
• 6M: 7.59%
• 1Y: 21.54%
• 3Y*: 26.25%
• 5Y*: 9.30%
• 10Y*: 21.29%

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

STRNY vs. AMZN - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
STRNY Severn Trent PLC PK	8.11%	24.68%	0.84%	8.95%	-16.52%	34.64%	-7.80%	56.74%	-15.28%	7.01%
AMZN Amazon.com, Inc	8.32%	5.21%	44.39%	80.88%	-49.62%	2.38%	76.26%	23.03%	28.43%	55.96%

Correlation

The correlation between STRNY and AMZN is 0.07, 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	0.07
Correlation (3Y) Calculated over the trailing 3-year period	0.06
Correlation (5Y) Calculated over the trailing 5-year period	0.05
Correlation (10Y) Calculated over the trailing 10-year period	0.05
Correlation (All Time) Calculated using the full available price history since May 27, 2009	0.06

Fundamentals

Market Cap STRNY : $12.08B AMZN : $2.72T
EPS STRNY : $2.00 AMZN : $8.37
PE Ratio STRNY : 20.03 AMZN : 29.87
PEG Ratio STRNY : 1.14 AMZN : 0.72
PS Ratio STRNY : 2.29 AMZN : 3.65
PB Ratio STRNY : 6.56 AMZN : 6.15
Total Revenue (TTM) STRNY : $5.28B AMZN : $742.78B
Gross Profit (TTM) STRNY : $1.49B AMZN : $348.59B
EBITDA (TTM) STRNY : $2.47B AMZN : $152.71B

Return for Risk

STRNY vs. AMZN — Risk / Return Rank

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

STRNY

STRNY Risk / Return Rank: 61
STRNY Sharpe Ratio Rank: 63
STRNY Sortino Ratio Rank: 55
STRNY Omega Ratio Rank: 56
STRNY Calmar Ratio Rank: 66
STRNY Martin Ratio Rank: 66

AMZN

AMZN Risk / Return Rank: 60
AMZN Sharpe Ratio Rank: 64
AMZN Sortino Ratio Rank: 58
AMZN Omega Ratio Rank: 56
AMZN Calmar Ratio Rank: 61
AMZN Martin Ratio Rank: 62

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.

STRNY vs. AMZN - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Severn Trent PLC PK (STRNY) and Amazon.com, Inc (AMZN). 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.

	STRNY	AMZN	Difference
Sharpe ratio Return per unit of total volatility	0.67	0.72	-0.05
Sortino ratio Return per unit of downside risk	1.05	1.18	-0.13
Omega ratio Gain probability vs. loss probability	1.14	1.15	-0.01
Calmar ratio Return relative to maximum drawdown	1.27	1.00	+0.28
Martin ratio Return relative to average drawdown	2.89	2.39	+0.50
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

STRNY vs. AMZN - Sharpe Ratio Comparison

The current STRNY Sharpe Ratio is 0.67, which is comparable to the AMZN Sharpe Ratio of 0.72. The chart below compares the historical Sharpe Ratios of STRNY and AMZN, 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

	STRNY	AMZN	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.67	0.72	-0.05
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.19	0.26	-0.07
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.20	0.66	-0.45
Sharpe Ratio (All Time) Calculated using the full available price history	0.16	0.57	-0.40

Drawdowns

STRNY vs. AMZN - Drawdown Comparison

The maximum STRNY drawdown since its inception was -66.53%, smaller than the maximum AMZN drawdown of -94.40%. Use the drawdown chart below to compare losses from any high point for STRNY and AMZN.

Drawdown Indicators

	STRNY	AMZN	Difference
Max Drawdown Largest peak-to-trough decline	-66.53%	-94.40%	+27.87%
Max Drawdown (1Y) Largest decline over 1 year	-12.69%	-21.74%	+9.05%
Max Drawdown (3Y) Largest decline over 3 years	-21.30%	-30.88%	+9.58%
Max Drawdown (5Y) Largest decline over 5 years	-38.87%	-56.15%	+17.28%
Max Drawdown (10Y) Largest decline over 10 years	-38.87%	-56.15%	+17.28%
Current Drawdown Current decline from peak	-8.70%	-9.08%	+0.38%
Average Drawdown Average peak-to-trough decline	-33.58%	-28.12%	-5.46%
Ulcer Index Depth and duration of drawdowns from previous peaks	5.57%	9.02%	-3.45%

Volatility

STRNY vs. AMZN - Volatility Comparison

Severn Trent PLC PK (STRNY) has a higher volatility of 10.41% compared to Amazon.com, Inc (AMZN) at 7.24%. This indicates that STRNY's price experiences larger fluctuations and is considered to be riskier than AMZN based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	STRNY	AMZN	Difference
Volatility (1M) Calculated over the trailing 1-month period	10.41%	7.24%	+3.17%
Volatility (6M) Calculated over the trailing 6-month period	19.68%	20.35%	-0.67%
Volatility (1Y) Calculated over the trailing 1-year period	24.71%	30.00%	-5.29%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.76%	35.50%	-1.74%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	31.92%	32.46%	-0.54%

Dividends

STRNY vs. AMZN - Dividend Comparison

STRNY's dividend yield for the trailing twelve months is around 4.18%, while AMZN has not paid dividends to shareholders.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
AMZN Amazon.com, Inc	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
STRNY Severn Trent PLC PK	4.18%	4.33%	4.75%	4.18%	3.94%	3.54%	4.09%	3.44%	4.95%	7.16%	7.28%	3.47%

Financials

STRNY vs. AMZN - Profitability Comparison

The chart below illustrates the profitability comparison between Severn Trent PLC PK and Amazon.com, Inc over time, highlighting three key metrics: Gross Profit Margin, Operating Margin, and Net Profit Margin.

STRNY - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Severn Trent PLC PK reported a gross profit of 400.73M and revenue of 1.42B. Therefore, the gross margin over that period was 28.3%.

AMZN - Gross Margin

Gross margin is calculated as gross profit divided by revenue. For the three months ending on Jun 2026, Amazon.com, Inc reported a gross profit of 66.77B and revenue of 181.52B. Therefore, the gross margin over that period was 36.8%.

STRNY - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Severn Trent PLC PK reported an operating income of 400.73M and revenue of 1.42B, resulting in an operating margin of 28.3%.

AMZN - Operating Margin

Operating margin is calculated as operating income divided by revenue. For the three months ending on Jun 2026, Amazon.com, Inc reported an operating income of 23.85B and revenue of 181.52B, resulting in an operating margin of 13.1%.

STRNY - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Severn Trent PLC PK reported a net income of 145.76M and revenue of 1.42B, resulting in a net margin of 10.3%.

AMZN - Net Margin

Net margin is calculated as net income divided by revenue. For the three months ending on Jun 2026, Amazon.com, Inc reported a net income of 30.26B and revenue of 181.52B, resulting in a net margin of 16.7%.

Frequently Asked Questions

Can I hold both STRNY and AMZN in my portfolio?

STRNY and AMZN have a correlation of 0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, STRNY or AMZN?

STRNY has higher volatility (10.41%) compared to AMZN (7.24%). In terms of maximum drawdown, STRNY dropped -66.53% vs AMZN's -94.40%.

Which has better risk-adjusted returns?

AMZN currently has the higher Sharpe Ratio (0.72 vs 0.67), 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.