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Performance
Performance Chart
The chart shows the growth of an initial investment of $10,000 in iPath Series B Carbon ETN, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends.
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Returns By Period
iPath Series B Carbon ETN (GRN) has returned -16.12% so far this year and 7.43% over the past 12 months.
iPath Series B Carbon ETN
- 1D
- 1.04%
- 1M
- 4.57%
- YTD
- -16.12%
- 6M
- -4.84%
- 1Y
- 7.43%
- 3Y*
- -7.04%
- 5Y*
- 11.37%
- 10Y*
- —
Benchmark (S&P 500 Index)
- 1D
- 2.91%
- 1M
- -5.09%
- YTD
- -4.63%
- 6M
- -2.39%
- 1Y
- 16.33%
- 3Y*
- 16.69%
- 5Y*
- 10.18%
- 10Y*
- 12.16%
Monthly Returns
Based on dividend-adjusted daily data since Sep 10, 2019, GRN's average daily return is +0.10%, while the average monthly return is +1.77%. At this rate, your investment would double in approximately 3.3 years.
Historically, 56% of months were positive and 44% were negative. The best month was Nov 2021 with a return of +29.2%, while the worst month was Mar 2020 at -24.9%. The longest winning streak lasted 8 consecutive months, and the longest losing streak was 5 months.
On a daily basis, GRN closed higher 51% of trading days. The best single day was Mar 8, 2022 with a return of +19.5%, while the worst single day was Mar 18, 2020 at -16.6%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | -6.75% | -13.98% | 4.57% | -16.12% | |||||||||
| 2025 | 14.68% | -14.98% | -3.63% | -1.81% | 5.46% | -1.28% | 4.91% | 1.01% | 4.21% | 3.92% | 6.18% | 2.83% | 20.33% |
| 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% |
| 2023 | 13.62% | 7.16% | -7.24% | -5.12% | -6.35% | 11.12% | -2.74% | -0.44% | -5.08% | -2.11% | -11.14% | 8.79% | -2.99% |
| 2022 | 11.12% | -8.27% | -6.79% | 9.15% | 0.40% | 6.40% | -11.81% | 2.59% | -17.99% | 21.75% | 7.96% | -7.50% | -0.07% |
| 2021 | 1.94% | 12.91% | 13.62% | 16.29% | 5.07% | 10.22% | -6.56% | 13.48% | 1.42% | -4.82% | 29.15% | 6.18% | 147.21% |
Benchmark Metrics
iPath Series B Carbon ETN has an annualized alpha of 18.72%, beta of 0.51, and R² of 0.06 versus S&P 500 Index. Calculated based on daily prices since September 11, 2019.
- This ETF participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (76.96%) than losses (54.53%) — typical of diversified or defensive assets.
- Beta of 0.51 may look defensive, but with R² of 0.06 this ETF is largely uncorrelated with S&P 500 Index — low beta reflects independence, not downside protection. See the Volatility section for a true picture of this ETF's risk.
- R² of 0.06 means this ETF moves largely independently of S&P 500 Index — capture ratios reflect limited market correlation rather than active downside protection. Consider using a more representative benchmark.
- Alpha
- 18.72%
- Beta
- 0.51
- R²
- 0.06
- Upside Capture
- 76.96%
- Downside Capture
- 54.53%
Expense Ratio
GRN has an expense ratio of 0.75%, placing it in the medium range.
Return for Risk
Risk / Return Rank
GRN ranks 18 for risk / return — in the bottom 18% of ETFs on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.
Return / Risk — by metrics
The table below present risk-adjusted performance metrics for iPath Series B Carbon ETN (GRN) and compare them to a chosen benchmark (S&P 500 Index).
| GRN | Benchmark | Difference | |
|---|---|---|---|
Sharpe ratioReturn per unit of total volatility | 0.25 | 0.90 | -0.64 |
Sortino ratioReturn per unit of downside risk | 0.55 | 1.39 | -0.84 |
Omega ratioGain probability vs. loss probability | 1.07 | 1.21 | -0.14 |
Calmar ratioReturn relative to maximum drawdown | 0.22 | 1.40 | -1.18 |
Martin ratioReturn relative to average drawdown | 0.71 | 6.61 | -5.90 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Explore GRN risk-adjusted metrics in detail
Dive deeper into individual metrics with historical trends, benchmark comparisons, and performance across different time periods.
Dividends
Dividend History
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 47.96%, occurring on Feb 22, 2024. The portfolio has not yet recovered.
The current iPath Series B Carbon ETN drawdown is 26.34%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -47.96% | Feb 28, 2023 | 248 | Feb 22, 2024 | — | — | — |
| -43.58% | Sep 17, 2019 | 127 | Mar 18, 2020 | 73 | Jul 2, 2020 | 200 |
| -40.6% | Feb 7, 2022 | 20 | Mar 7, 2022 | 113 | Aug 17, 2022 | 133 |
| -33.78% | Aug 22, 2022 | 27 | Sep 28, 2022 | 103 | Feb 27, 2023 | 130 |
| -24.66% | Sep 15, 2020 | 32 | Oct 28, 2020 | 30 | Dec 10, 2020 | 62 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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