WPRT vs. ITOT

Last updated Apr 2, 2026

Compare and contrast key facts about Westport Fuel Systems Inc. (WPRT) and iShares Core S&P Total U.S. Stock Market ETF (ITOT).

ITOT is a passively managed fund by iShares that tracks the performance of the S&P Composite 1500 Index. It was launched on Jan 20, 2004.

Performance

WPRT vs. ITOT - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Westport Fuel Systems Inc. (WPRT) and iShares Core S&P Total U.S. Stock Market ETF (ITOT). The values are adjusted to include any dividend payments, if applicable.

WPRT vs. ITOT - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
WPRT Westport Fuel Systems Inc.	23.57%	-56.15%	-45.92%	-14.56%	-67.31%	-55.53%	124.89%	78.20%	-64.63%	232.74%
ITOT iShares Core S&P Total U.S. Stock Market ETF	-3.31%	17.00%	23.80%	26.12%	-19.47%	25.68%	20.71%	30.67%	-5.33%	21.37%

Returns By Period

In the year-to-date period, WPRT achieves a 23.57% return, which is significantly higher than ITOT's -3.31% return. Over the past 10 years, WPRT has underperformed ITOT with an annualized return of -21.45%, while ITOT has yielded a comparatively higher 13.65% annualized return.

WPRT

• 1D: 6.59%
• 1M: -2.51%
• YTD: 23.57%
• 6M: -16.74%
• 1Y: -45.51%
• 3Y*: -41.16%
• 5Y*: -51.45%
• 10Y*: -21.45%

ITOT

• 1D: 0.72%
• 1M: -4.34%
• YTD: -3.31%
• 6M: -1.32%
• 1Y: 18.51%
• 3Y*: 18.11%
• 5Y*: 10.62%
• 10Y*: 13.65%

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

Return for Risk

WPRT vs. ITOT — Risk / Return Rank

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

WPRT

WPRT Risk / Return Rank: 11
WPRT Sharpe Ratio Rank: 7
WPRT Sortino Ratio Rank: 7
WPRT Omega Ratio Rank: 10
WPRT Calmar Ratio Rank: 13
WPRT Martin Ratio Rank: 18

ITOT

ITOT Risk / Return Rank: 59
ITOT Sharpe Ratio Rank: 53
ITOT Sortino Ratio Rank: 57
ITOT Omega Ratio Rank: 60
ITOT Calmar Ratio Rank: 58
ITOT Martin Ratio Rank: 69

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.

WPRT vs. ITOT - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Westport Fuel Systems Inc. (WPRT) and iShares Core S&P Total U.S. Stock Market ETF (ITOT). 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.

	WPRT	ITOT	Difference
Sharpe ratio Return per unit of total volatility	-0.86	1.00	-1.86
Sortino ratio Return per unit of downside risk	-1.32	1.52	-2.84
Omega ratio Gain probability vs. loss probability	0.86	1.23	-0.37
Calmar ratio Return relative to maximum drawdown	-0.77	1.53	-2.31
Martin ratio Return relative to average drawdown	-1.18	7.25	-8.43
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

WPRT vs. ITOT - Sharpe Ratio Comparison

The current WPRT Sharpe Ratio is -0.86, which is lower than the ITOT Sharpe Ratio of 1.00. The chart below compares the historical Sharpe Ratios of WPRT and ITOT, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	WPRT	ITOT	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	-0.86	1.00	-1.86
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	-0.74	0.61	-1.35
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	-0.27	0.75	-1.02
Sharpe Ratio (All Time) Calculated using the full available price history	-0.28	0.54	-0.82

Correlation

The correlation between WPRT and ITOT is 0.40, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

WPRT vs. ITOT - Dividend Comparison

WPRT has not paid dividends to shareholders, while ITOT's dividend yield for the trailing twelve months is around 1.12%.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
WPRT Westport Fuel Systems 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%
ITOT iShares Core S&P Total U.S. Stock Market ETF	1.12%	1.11%	1.23%	1.47%	1.66%	1.18%	1.41%	1.88%	2.14%	1.69%	1.83%	2.01%

Drawdowns

WPRT vs. ITOT - Drawdown Comparison

The maximum WPRT drawdown since its inception was -99.68%, which is greater than ITOT's maximum drawdown of -55.20%. Use the drawdown chart below to compare losses from any high point for WPRT and ITOT.

Drawdown Indicators

	WPRT	ITOT	Difference
Max Drawdown Largest peak-to-trough decline	-99.68%	-55.20%	-44.48%
Max Drawdown (1Y) Largest decline over 1 year	-61.69%	-12.34%	-49.35%
Max Drawdown (5Y) Largest decline over 5 years	-97.89%	-25.36%	-72.53%
Max Drawdown (10Y) Largest decline over 10 years	-98.73%	-35.00%	-63.73%
Current Drawdown Current decline from peak	-99.60%	-5.51%	-94.09%
Average Drawdown Average peak-to-trough decline	-73.78%	-7.02%	-66.76%
Ulcer Index Depth and duration of drawdowns from previous peaks	40.34%	2.61%	+37.73%

Volatility

WPRT vs. ITOT - Volatility Comparison

Westport Fuel Systems Inc. (WPRT) has a higher volatility of 12.26% compared to iShares Core S&P Total U.S. Stock Market ETF (ITOT) at 5.49%. This indicates that WPRT's price experiences larger fluctuations and is considered to be riskier than ITOT based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	WPRT	ITOT	Difference
Volatility (1M) Calculated over the trailing 1-month period	12.26%	5.49%	+6.77%
Volatility (6M) Calculated over the trailing 6-month period	36.18%	9.78%	+26.40%
Volatility (1Y) Calculated over the trailing 1-year period	52.99%	18.68%	+34.31%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	70.13%	17.36%	+52.77%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	79.38%	18.25%	+61.13%