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iPath Series B Carbon ETN (GRN)
Performance
Risk-Adjusted Performance
Dividends
Drawdowns
Volatility

ETF Info

ISIN

US06747C3227

CUSIP

06747C322

Inception Date

Sep 10, 2019

Category

Commodities

Leveraged

1x

Index Tracked

Barclays Global Carbon II Index

Asset Class

Commodity

Expense Ratio

GRN has an expense ratio of 0.75%, placing it in the medium range.


Share Price Chart


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Compare to other instruments

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.


Performance

Performance Chart


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S&P 500

Returns By Period

iPath Series B Carbon ETN (GRN) returned -0.91% year-to-date (YTD) and -4.91% over the past 12 months.


GRN

YTD

-0.91%

1M

8.19%

6M

2.08%

1Y

-4.91%

3Y*

-3.51%

5Y*

-7.94%

10Y*

N/A

^GSPC (Benchmark)

YTD

-1.34%

1M

5.02%

6M

-2.79%

1Y

9.39%

3Y*

13.76%

5Y*

14.45%

10Y*

10.68%

*Annualized

Monthly Returns

The table below presents the monthly returns of GRN, with color gradation from worst to best to easily spot seasonal factors. Returns are adjusted for dividends.


JanFebMarAprMayJunJulAugSepOctNovDecTotal
202514.68%-14.98%-3.63%-1.81%7.41%-0.91%
2024-19.36%-11.37%10.04%12.57%6.72%-8.78%3.38%1.68%-6.55%-2.02%7.27%4.12%-7.34%
202313.62%7.15%-7.24%-5.12%-6.34%11.12%-2.74%-0.44%-5.08%-2.11%-11.14%8.79%-2.99%
202211.12%-8.27%-6.79%9.15%0.40%6.40%-11.81%2.59%-17.99%21.75%7.96%-7.50%-0.07%
20211.94%12.91%13.62%16.29%5.07%-77.96%-6.56%13.48%1.42%-4.82%29.15%6.18%-50.56%
2020-2.96%-1.28%-24.92%9.80%10.04%26.07%-2.66%9.45%-6.27%-12.18%23.04%10.38%30.47%
2019-7.89%3.93%-1.52%-2.85%-8.41%
Go deeper with the Portfolio Analysis tool — backtest performance, assess risk, compare to benchmarks, and more

Risk-Adjusted Performance

Risk-Adjusted Performance Rank

The current rank of GRN is 13, meaning it’s performing worse than 87% of other ETFs on our website when it comes to balancing risk and reward. Below is a breakdown of how it compares using common performance measures.


The Risk-Adjusted Performance Rank of GRN is 1313
Overall Rank
The Sharpe Ratio Rank of GRN is 1212
Sharpe Ratio Rank
The Sortino Ratio Rank of GRN is 1414
Sortino Ratio Rank
The Omega Ratio Rank of GRN is 1414
Omega Ratio Rank
The Calmar Ratio Rank of GRN is 1515
Calmar Ratio Rank
The Martin Ratio Rank of GRN is 1212
Martin Ratio Rank
The risk-adjusted ranks indicate the investment's position relative to the market. A rank closer to 100 signifies top-performing investments, while a rank closer to 0 might suggest underperformance, based on the selected ratio. The values are calculated based on the past 12 months of returns.

Risk-Adjusted Performance Indicators

The charts below present risk-adjusted performance metrics for iPath Series B Carbon ETN (GRN) and compare them to a chosen benchmark (^GSPC). These indicators evaluate an investment's returns against its associated risks.


The Sharpe ratio helps investors understand how much return they're getting for the level of risk taken. A higher Sharpe ratio indicates better risk-adjusted performance, meaning more reward for each unit of risk.

iPath Series B Carbon ETN Sharpe ratios as of May 26, 2025 (values are recalculated daily):

  • 1-Year: -0.18
  • 5-Year: -0.14
  • All Time: -0.20

These values reflect how efficiently the investment has delivered returns relative to its volatility over different time periods. All figures are annualized and based on daily total returns (including price changes and dividends).

The chart below shows the rolling Sharpe ratio of iPath Series B Carbon ETN compared to the selected benchmark. This view highlights how the investment's risk-adjusted performance has changed over time.


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Go to the full Sharpe Ratio tool to analyze any stock or portfolio. Customize time frames, set your own risk-free rate, and more

Dividends

Dividend History


iPath Series B Carbon ETN doesn't pay dividends

Drawdowns

Drawdowns Chart

The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.


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Worst Drawdowns

The table below displays the maximum drawdowns of the iPath Series B Carbon ETN. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.

The maximum drawdown for the iPath Series B Carbon ETN was 82.36%, occurring on Jul 22, 2021. The portfolio has not yet recovered.

The current iPath Series B Carbon ETN drawdown is 74.84%.


Depth

Start

To Bottom

Bottom

To Recover

End

Total

-82.36%May 17, 202147Jul 22, 2021
-43.58%Sep 17, 2019127Mar 18, 202073Jul 1, 2020200
-24.66%Sep 15, 202032Oct 28, 202030Dec 10, 202062
-15.61%Jul 7, 202015Jul 27, 202034Sep 14, 202049
-9.03%Jan 11, 20215Jan 15, 202111Feb 2, 202116
Go to the full Drawdowns tool for more analysis options, including inflation-adjusted drawdowns, and more

Volatility

Volatility Chart

The chart below shows the rolling one-month volatility.


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