RESM vs. SPSM
RESM (Columbia Research Enhanced Small Cap ETF) and SPSM (State Street SPDR Portfolio S&P 600 Small Cap ETF) are both Small Cap Blend Equities funds - RESM tracks the Beta Advantage Research Enhanced Small Cap Index while SPSM tracks the S&P SmallCap 600 Index. Both are passively managed. Their correlation of 0.95 suggests significant overlap in exposure. RESM charges 0.32%/yr vs 0.03%/yr for SPSM.
Performance
RESM vs. SPSM - Performance Comparison
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Returns By Period
The year-to-date returns for both investments are quite close, with RESM having a 21.67% return and SPSM slightly higher at 22.40%.
RESM
- 1D
- -0.58%
- 1M
- 5.32%
- 6M
- 21.06%
- YTD
- 21.67%
- 1Y
- —
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
SPSM
- 1D
- -0.75%
- 1M
- 6.18%
- 6M
- 21.26%
- YTD
- 22.40%
- 1Y
- 31.28%
- 3Y*
- 15.33%
- 5Y*
- 7.19%
- 10Y*
- 11.50%
RESM vs. SPSM - Yearly Performance Comparison
| 2026 (YTD) | 2025 | |
|---|---|---|
RESM Columbia Research Enhanced Small Cap ETF | 21.67% | -3.32% |
SPSM State Street SPDR Portfolio S&P 600 Small Cap ETF | 22.40% | -2.60% |
Correlation
The correlation between RESM and SPSM is 0.95, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.
| Correlation | |
|---|---|
Correlation (All Time) Calculated using the full available price history since Dec 11, 2025 | 0.95 |
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Return for Risk
RESM vs. SPSM — Risk / Return Rank
RESM
Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.
SPSM
RESM vs. SPSM - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Columbia Research Enhanced Small Cap ETF (RESM) and State Street SPDR Portfolio S&P 600 Small Cap ETF (SPSM). 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.
| RESM | SPSM | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | — | — | |
| Sortino ratioReturn per unit of downside risk | — | — | |
| Omega ratioGain probability vs. loss probability | — | 1.32 | — |
| Calmar ratioReturn relative to maximum drawdown | — | 3.70 | — |
| Martin ratioReturn relative to average drawdown | — | 12.47 | — |
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Drawdowns
RESM vs. SPSM - Drawdown Comparison
The maximum RESM drawdown since its inception was -8.50%, smaller than the maximum SPSM drawdown of -42.89%. Use the drawdown chart below to compare losses from any high point for RESM and SPSM.
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Drawdown Indicators
| RESM | SPSM | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -8.50% | -42.89% | +34.39% |
Max Drawdown (1Y)Largest decline over 1 year | — | -8.72% | — |
Max Drawdown (3Y)Largest decline over 3 years | — | -27.94% | — |
Max Drawdown (5Y)Largest decline over 5 years | — | -27.94% | — |
Max Drawdown (10Y)Largest decline over 10 years | — | -42.89% | — |
Current DrawdownCurrent decline from peak | -0.95% | -1.25% | +0.30% |
Average DrawdownAverage peak-to-trough decline | -1.77% | -7.88% | +6.11% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | — | 2.58% | — |
Volatility
RESM vs. SPSM - Volatility Comparison
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Volatility by Period
| RESM | SPSM | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | — | 4.94% | — |
Volatility (6M)Calculated over the trailing 6-month period | — | 12.14% | — |
Volatility (1Y)Calculated over the trailing 1-year period | 17.36% | 17.57% | -0.21% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.36% | 21.42% | -4.06% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 17.36% | 22.95% | -5.59% |
RESM vs. SPSM - Expense Ratio Comparison
RESM has a 0.32% expense ratio, which is higher than SPSM's 0.03% expense ratio.
Dividends
RESM vs. SPSM - Dividend Comparison
RESM's dividend yield for the trailing twelve months is around 0.08%, less than SPSM's 1.38% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
RESM Columbia Research Enhanced Small Cap ETF | 0.08% | 0.09% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
SPSM State Street SPDR Portfolio S&P 600 Small Cap ETF | 1.38% | 1.62% | 1.85% | 1.61% | 1.38% | 1.40% | 1.34% | 1.58% | 1.82% | 1.51% | 1.49% | 2.37% |
Frequently Asked Questions
With a correlation of 0.95, RESM and SPSM 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.
On fees, SPSM is cheaper at 0.03% per year. The better choice depends on whether you care most about return, fees, risk, or income.
SPSM is cheaper with a 0.03% expense ratio, compared with 0.32% for RESM.
SPSM has the higher dividend yield at 1.38%, compared with 0.08% for RESM.
RESM tracks Beta Advantage Research Enhanced Small Cap Index, while SPSM tracks S&P SmallCap 600 Index. They also come from different issuers: Columbia Threadneedle and State Street. Their fees differ too: 0.32% for RESM and 0.03% for SPSM.
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