CRBN vs. SPFFX

Last updated Jun 4, 2026

CRBN (iShares MSCI ACWI Low Carbon Target ETF) and SPFFX (Sphere 500 Fossil Free Fund) are both funds - CRBN is a Large Cap Growth Equities fund tracking the MSCI ACWI Low Carbon Target Index, while SPFFX is a Large Cap Blend Equities fund managed by Reflection Asset Management. Over the past 3 years, CRBN returned 21.19%/yr vs 23.46%/yr for SPFFX. Their correlation of 0.95 suggests significant overlap in exposure. CRBN charges 0.20%/yr vs 0.11%/yr for SPFFX.

Performance

CRBN vs. SPFFX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares MSCI ACWI Low Carbon Target ETF (CRBN) and Sphere 500 Fossil Free Fund (SPFFX). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, CRBN achieves a 10.92% return, which is significantly lower than SPFFX's 12.19% return.

CRBN

• 1D: -0.82%
• 1M: 4.91%
• YTD: 10.92%
• 6M: 11.82%
• 1Y: 27.48%
• 3Y*: 21.19%
• 5Y*: 11.10%
• 10Y*: 12.79%

SPFFX

• 1D: 0.18%
• 1M: 7.09%
• YTD: 12.19%
• 6M: 12.17%
• 1Y: 29.81%
• 3Y*: 23.46%
• 5Y*: —
• 10Y*: —

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

CRBN vs. SPFFX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021
CRBN iShares MSCI ACWI Low Carbon Target ETF	10.92%	21.85%	19.29%	22.31%	-19.12%	6.63%
SPFFX Sphere 500 Fossil Free Fund	12.19%	18.12%	25.13%	29.48%	-20.03%	9.04%

Correlation

The correlation between CRBN and SPFFX is 0.94, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.94
Correlation (3Y) Calculated over the trailing 3-year period	0.94
Correlation (All Time) Calculated using the full available price history since Oct 6, 2021	0.95

The correlation between CRBN and SPFFX has been stable across timeframes, ranging from 0.94 to 0.95 - a consistent structural relationship.

Return for Risk

CRBN vs. SPFFX — Risk / Return Rank

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

CRBN

CRBN Risk / Return Rank: 61
CRBN Sharpe Ratio Rank: 62
CRBN Sortino Ratio Rank: 62
CRBN Omega Ratio Rank: 61
CRBN Calmar Ratio Rank: 55
CRBN Martin Ratio Rank: 66

SPFFX

SPFFX Risk / Return Rank: 59
SPFFX Sharpe Ratio Rank: 63
SPFFX Sortino Ratio Rank: 56
SPFFX Omega Ratio Rank: 56
SPFFX Calmar Ratio Rank: 55
SPFFX Martin Ratio Rank: 63

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.

CRBN vs. SPFFX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares MSCI ACWI Low Carbon Target ETF (CRBN) and Sphere 500 Fossil Free Fund (SPFFX). 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.

	CRBN	SPFFX	Difference
Sharpe ratio: Return per unit of total volatility	2.12	2.33	-0.21
Sortino ratio: Return per unit of downside risk	2.94	3.14	-0.20
Omega ratio: Gain probability vs. loss probability	1.38	1.42	-0.04
Calmar ratio: Return relative to maximum drawdown	2.74	2.85	-0.12
Martin ratio: Return relative to average drawdown	12.10	12.42	-0.32
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

CRBN vs. SPFFX - Sharpe Ratio Comparison

The current CRBN Sharpe Ratio is 2.12, which is comparable to the SPFFX Sharpe Ratio of 2.33. The chart below compares the historical Sharpe Ratios of CRBN and SPFFX, 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

	CRBN	SPFFX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.12	2.33	-0.21
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.69	—	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.76	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.69	0.84	-0.15

Drawdowns

CRBN vs. SPFFX - Drawdown Comparison

The maximum CRBN drawdown since its inception was -33.13%, which is greater than SPFFX's maximum drawdown of -25.11%. Use the drawdown chart below to compare losses from any high point for CRBN and SPFFX.

Drawdown Indicators

	CRBN	SPFFX	Difference
Max Drawdown Largest peak-to-trough decline	-33.13%	-25.11%	-8.02%
Max Drawdown (1Y) Largest decline over 1 year	-10.08%	-10.75%	+0.67%
Max Drawdown (3Y) Largest decline over 3 years	-16.60%	-19.97%	+3.37%
Max Drawdown (5Y) Largest decline over 5 years	-27.04%	—	—
Max Drawdown (10Y) Largest decline over 10 years	-33.13%	—	—
Current Drawdown Current decline from peak	-0.82%	0.00%	-0.82%
Average Drawdown Average peak-to-trough decline	-5.20%	-6.40%	+1.20%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.28%	2.47%	-0.19%

Volatility

CRBN vs. SPFFX - Volatility Comparison

iShares MSCI ACWI Low Carbon Target ETF (CRBN) has a higher volatility of 3.72% compared to Sphere 500 Fossil Free Fund (SPFFX) at 3.27%. This indicates that CRBN's price experiences larger fluctuations and is considered to be riskier than SPFFX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	CRBN	SPFFX	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.72%	3.27%	+0.45%
Volatility (6M) Calculated over the trailing 6-month period	10.52%	10.12%	+0.40%
Volatility (1Y) Calculated over the trailing 1-year period	13.05%	13.19%	-0.14%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.10%	17.17%	-1.07%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.90%	17.17%	-0.27%

CRBN vs. SPFFX - Expense Ratio Comparison

CRBN has a 0.20% expense ratio, which is higher than SPFFX's 0.11% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

CRBN vs. SPFFX - Dividend Comparison

CRBN's dividend yield for the trailing twelve months is around 1.99%, less than SPFFX's 6.06% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
CRBN iShares MSCI ACWI Low Carbon Target ETF	1.99%	2.21%	1.94%	2.01%	1.95%	1.57%	1.41%	2.27%	2.51%	2.05%	2.27%	2.01%
SPFFX Sphere 500 Fossil Free Fund	6.06%	6.80%	1.06%	1.32%	0.73%	0.14%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both CRBN and SPFFX in my portfolio?

With a correlation of 0.94, CRBN and SPFFX move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which is riskier, CRBN or SPFFX?

CRBN has higher volatility (3.72%) compared to SPFFX (3.27%). In terms of maximum drawdown, CRBN dropped -33.13% vs SPFFX's -25.11%.

Which has better risk-adjusted returns?

SPFFX currently has the higher Sharpe Ratio (2.33 vs 2.12), 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.