GRN vs. RBIL
GRN (iPath Series B Carbon ETN) and RBIL (F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF) are both exchange-traded funds - GRN is a Commodities fund tracking the Barclays Global Carbon II Index, while RBIL is a Inflation-Protected Bonds fund tracking the Bloomberg US Ultrashort TIPS 1-13 Months Index. Both are passively managed. Over the past year, GRN returned 9.03% vs 4.57% for RBIL. At a correlation of -0.13, they often move in opposite directions. GRN charges 0.75%/yr vs 0.17%/yr for RBIL.
Performance
GRN vs. RBIL - Performance Comparison
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Returns By Period
In the year-to-date period, GRN achieves a -8.60% return, which is significantly lower than RBIL's 2.70% return.
GRN
- 1D
- -0.42%
- 1M
- 8.55%
- YTD
- -8.60%
- 6M
- -4.48%
- 1Y
- 9.03%
- 3Y*
- 0.39%
- 5Y*
- 9.52%
- 10Y*
- —
RBIL
- 1D
- 0.06%
- 1M
- 0.38%
- YTD
- 2.70%
- 6M
- 2.79%
- 1Y
- 4.57%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
GRN vs. RBIL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
GRN iPath Series B Carbon ETN | -8.60% | 23.46% |
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | 2.70% | 2.91% |
Correlation
The correlation between GRN and RBIL is -0.15, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.15 |
Correlation (All Time) Calculated using the full available price history since Feb 26, 2025 | -0.13 |
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Return for Risk
GRN vs. RBIL — Risk / Return Rank
GRN
RBIL
GRN vs. RBIL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iPath Series B Carbon ETN (GRN) and F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL). 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.
| GRN | RBIL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -4.68 | ||
| Sortino ratioReturn per unit of downside risk | -7.31 | ||
| Omega ratioGain probability vs. loss probability | 1.08 | 2.39 | -1.31 |
| Calmar ratioReturn relative to maximum drawdown | 0.30 | 17.00 | -16.70 |
| Martin ratioReturn relative to average drawdown | 0.77 | 70.66 | -69.89 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
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Sharpe Ratios by Period
| GRN | RBIL | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.33 | 5.01 | -4.68 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | 0.24 | — | — |
Sharpe Ratio (All Time)Calculated using the full available price history | 0.42 | 4.28 | -3.86 |
Drawdowns
GRN vs. RBIL - Drawdown Comparison
The maximum GRN drawdown since its inception was -47.96%, which is greater than RBIL's maximum drawdown of -0.50%. Use the drawdown chart below to compare losses from any high point for GRN and RBIL.
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Drawdown Indicators
| GRN | RBIL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -47.96% | -0.50% | -47.46% |
Max Drawdown (1Y)Largest decline over 1 year | -30.39% | -0.27% | -30.12% |
Max Drawdown (3Y)Largest decline over 3 years | -45.30% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -47.96% | — | — |
Current DrawdownCurrent decline from peak | -19.73% | 0.00% | -19.73% |
Average DrawdownAverage peak-to-trough decline | -17.54% | -0.06% | -17.48% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 11.83% | 0.07% | +11.76% |
Volatility
GRN vs. RBIL - Volatility Comparison
iPath Series B Carbon ETN (GRN) has a higher volatility of 6.65% compared to F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) at 0.30%. This indicates that GRN's price experiences larger fluctuations and is considered to be riskier than RBIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GRN | RBIL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 6.65% | 0.30% | +6.35% |
Volatility (6M)Calculated over the trailing 6-month period | 24.47% | 0.79% | +23.68% |
Volatility (1Y)Calculated over the trailing 1-year period | 27.74% | 0.92% | +26.82% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 39.82% | 1.05% | +38.77% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 41.95% | 1.05% | +40.90% |
GRN vs. RBIL - Expense Ratio Comparison
GRN has a 0.75% expense ratio, which is higher than RBIL's 0.17% expense ratio.
Dividends
GRN vs. RBIL - Dividend Comparison
GRN has not paid dividends to shareholders, while RBIL's dividend yield for the trailing twelve months is around 4.60%.
| Position | TTM | 2025 |
|---|---|---|
GRN iPath Series B Carbon ETN | 0.00% | 0.00% |
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF | 4.60% | 3.65% |
Frequently Asked Questions
GRN and RBIL 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.
GRN has higher volatility (6.65%) compared to RBIL (0.30%). In terms of maximum drawdown, GRN dropped -47.96% vs RBIL's -0.50%.
On 1-year performance, GRN leads with 9.03% vs 4.57% for RBIL. On fees, RBIL is cheaper at 0.17% per year. On volatility, RBIL has been the lower-risk option at 0.30%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, GRN has performed better with a 9.03% return vs 4.57%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
RBIL is cheaper with a 0.17% expense ratio, compared with 0.75% for GRN.
RBIL has the higher dividend yield at 4.60%, compared with 0.00% for GRN.
GRN is categorized as Commodities, while RBIL is Inflation-Protected Bonds. GRN tracks Barclays Global Carbon II Index, while RBIL tracks Bloomberg US Ultrashort TIPS 1-13 Months Index. They also come from different issuers: Barclays Capital and F/m. Their fees differ too: 0.75% for GRN and 0.17% for RBIL.
RBIL currently has the higher Sharpe Ratio (5.01 vs 0.33), 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.
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