GLDM vs. CMBS
GLDM (SPDR Gold MiniShares Trust) and CMBS (iShares CMBS ETF) are both exchange-traded funds - GLDM is a Gold fund tracking the LBMA Gold Price PM, while CMBS is a Mortgage Backed Securities fund tracking the Barclays Capital U.S. CMBS (ERISA Only) Index. Both are passively managed. Over the past 5 years, GLDM returned 17.41%/yr vs 0.70%/yr for CMBS. At a 0.23 correlation, their price movements are largely independent. GLDM charges 0.10%/yr vs 0.25%/yr for CMBS.
Performance
GLDM vs. CMBS - Performance Comparison
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Returns By Period
In the year-to-date period, GLDM achieves a -2.40% return, which is significantly lower than CMBS's 0.25% return.
GLDM
- 1D
- 0.11%
- 1M
- -9.52%
- YTD
- -2.40%
- 6M
- -2.09%
- 1Y
- 22.58%
- 3Y*
- 29.27%
- 5Y*
- 17.41%
- 10Y*
- —
CMBS
- 1D
- -0.23%
- 1M
- 0.07%
- YTD
- 0.25%
- 6M
- 0.56%
- 1Y
- 4.12%
- 3Y*
- 5.34%
- 5Y*
- 0.70%
- 10Y*
- 2.00%
GLDM vs. CMBS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
GLDM SPDR Gold MiniShares Trust | -2.40% | 64.20% | 27.08% | 13.04% | -0.47% | -4.01% | 25.10% | 18.10% | 1.75% |
CMBS iShares CMBS ETF | 0.25% | 7.67% | 4.27% | 5.06% | -11.21% | -1.82% | 7.86% | 7.94% | 2.63% |
Correlation
The correlation between GLDM and CMBS is 0.04, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.04 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.09 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.22 |
Correlation (All Time) Calculated using the full available price history since Jun 26, 2018 | 0.23 |
The correlation between GLDM and CMBS shifts across timeframes, from 0.04 (1 year) to 0.23 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
GLDM vs. CMBS — Risk / Return Rank
GLDM
CMBS
GLDM vs. CMBS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for SPDR Gold MiniShares Trust (GLDM) and iShares CMBS ETF (CMBS). 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.
Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.
| GLDM | CMBS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.22 | ||
| Sortino ratioReturn per unit of downside risk | -0.47 | ||
| Omega ratioGain probability vs. loss probability | 1.19 | 1.20 | -0.01 |
| Calmar ratioReturn relative to maximum drawdown | 1.00 | 1.67 | -0.67 |
| Martin ratioReturn relative to average drawdown | 2.87 | 4.46 | -1.59 |
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Drawdowns
GLDM vs. CMBS - Drawdown Comparison
The maximum GLDM drawdown since its inception was -24.35%, which is greater than CMBS's maximum drawdown of -15.87%. Use the drawdown chart below to compare losses from any high point for GLDM and CMBS.
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Drawdown Indicators
| GLDM | CMBS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -24.35% | -15.87% | -8.48% |
Max Drawdown (1Y)Largest decline over 1 year | -24.35% | -2.44% | -21.91% |
Max Drawdown (3Y)Largest decline over 3 years | -24.35% | -3.29% | -21.06% |
Max Drawdown (5Y)Largest decline over 5 years | -24.35% | -15.87% | -8.48% |
Max Drawdown (10Y)Largest decline over 10 years | — | -15.87% | — |
Current DrawdownCurrent decline from peak | -21.96% | -1.67% | -20.29% |
Average DrawdownAverage peak-to-trough decline | -6.27% | -2.95% | -3.32% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 8.44% | 0.91% | +7.53% |
Volatility
GLDM vs. CMBS - Volatility Comparison
SPDR Gold MiniShares Trust (GLDM) has a higher volatility of 7.73% compared to iShares CMBS ETF (CMBS) at 1.10%. This indicates that GLDM's price experiences larger fluctuations and is considered to be riskier than CMBS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| GLDM | CMBS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.73% | 1.10% | +6.63% |
Volatility (6M)Calculated over the trailing 6-month period | 23.93% | 2.81% | +21.12% |
Volatility (1Y)Calculated over the trailing 1-year period | 27.15% | 3.64% | +23.51% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 18.13% | 5.31% | +12.82% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 16.98% | 5.77% | +11.21% |
GLDM vs. CMBS - Expense Ratio Comparison
GLDM has a 0.10% expense ratio, which is lower than CMBS's 0.25% expense ratio. Despite the difference, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.
Dividends
GLDM vs. CMBS - Dividend Comparison
GLDM has not paid dividends to shareholders, while CMBS's dividend yield for the trailing twelve months is around 3.58%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CMBS iShares CMBS ETF | 3.58% | 3.45% | 3.31% | 2.97% | 2.65% | 2.46% | 2.83% | 2.74% | 2.70% | 2.50% | 2.29% | 2.31% |
GLDM SPDR Gold MiniShares Trust | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
GLDM and CMBS have a correlation of 0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
GLDM has higher volatility (7.73%) compared to CMBS (1.10%). In terms of maximum drawdown, GLDM dropped -24.35% vs CMBS's -15.87%.
On 5-year performance, GLDM leads with 17.41% vs 0.70% for CMBS. On fees, GLDM is cheaper at 0.10% per year. On volatility, CMBS has been the lower-risk option at 1.10%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, GLDM has performed better with a 17.41% return vs 0.70%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
GLDM is cheaper with a 0.10% expense ratio, compared with 0.25% for CMBS.
CMBS has the higher dividend yield at 3.58%, compared with 0.00% for GLDM.
GLDM is categorized as Gold, while CMBS is Mortgage Backed Securities. GLDM tracks LBMA Gold Price PM, while CMBS tracks Barclays Capital U.S. CMBS (ERISA Only) Index. They also come from different issuers: State Street and iShares. Their fees differ too: 0.10% for GLDM and 0.25% for CMBS.
CMBS currently has the higher Sharpe Ratio (1.12 vs 0.90), 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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