MMTM vs. SKOR

Last updated Apr 2, 2026

Compare and contrast key facts about SPDR S&P 1500 Momentum Tilt ETF (MMTM) and FlexShares Credit-Scored US Corporate Bond Index Fund (SKOR).

MMTM and SKOR are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. MMTM is a passively managed fund by State Street that tracks the performance of the S&P 1500 Positive Momentum Tilt Index. It was launched on Oct 24, 2012. SKOR is a passively managed fund by Northern Trust that tracks the performance of the NorthernTrustUS Corporate Bond Quality Value Index. It was launched on Nov 12, 2014. Both MMTM and SKOR are passive ETFs, meaning that they are not actively managed but aim to replicate the performance of the underlying index as closely as possible.

Performance

MMTM vs. SKOR - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in SPDR S&P 1500 Momentum Tilt ETF (MMTM) and FlexShares Credit-Scored US Corporate Bond Index Fund (SKOR). The values are adjusted to include any dividend payments, if applicable.

MMTM vs. SKOR - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018	2017
MMTM SPDR S&P 1500 Momentum Tilt ETF	-2.62%	13.26%	29.94%	22.49%	-16.12%	26.33%	19.27%	29.98%	-4.62%	24.41%
SKOR FlexShares Credit-Scored US Corporate Bond Index Fund	-0.20%	7.99%	4.42%	7.64%	-9.88%	-1.40%	8.84%	10.69%	-1.25%	4.38%

Returns By Period

In the year-to-date period, MMTM achieves a -2.62% return, which is significantly lower than SKOR's -0.20% return. Over the past 10 years, MMTM has outperformed SKOR with an annualized return of 13.89%, while SKOR has yielded a comparatively lower 2.90% annualized return.

MMTM

• 1D: 1.29%
• 1M: -3.99%
• YTD: -2.62%
• 6M: -0.30%
• 1Y: 18.11%
• 3Y*: 20.04%
• 5Y*: 12.33%
• 10Y*: 13.89%

SKOR

• 1D: 0.08%
• 1M: -1.05%
• YTD: -0.20%
• 6M: 0.86%
• 1Y: 5.35%
• 3Y*: 5.63%
• 5Y*: 1.91%
• 10Y*: 2.90%

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

MMTM vs. SKOR - Expense Ratio Comparison

MMTM has a 0.12% expense ratio, which is lower than SKOR's 0.22% 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%.

SKOR

FlexShares Credit-Scored US Corporate Bond Index Fund

MMTM

SPDR S&P 1500 Momentum Tilt ETF

Return for Risk

MMTM vs. SKOR — Risk / Return Rank

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

MMTM

MMTM Risk / Return Rank: 51
MMTM Sharpe Ratio Rank: 45
MMTM Sortino Ratio Rank: 47
MMTM Omega Ratio Rank: 50
MMTM Calmar Ratio Rank: 53
MMTM Martin Ratio Rank: 63

SKOR

SKOR Risk / Return Rank: 82
SKOR Sharpe Ratio Rank: 82
SKOR Sortino Ratio Rank: 83
SKOR Omega Ratio Rank: 80
SKOR Calmar Ratio Rank: 82
SKOR Martin Ratio Rank: 81

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.

MMTM vs. SKOR - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for SPDR S&P 1500 Momentum Tilt ETF (MMTM) and FlexShares Credit-Scored US Corporate Bond Index Fund (SKOR). 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.

	MMTM	SKOR	Difference
Sharpe ratio Return per unit of total volatility	0.86	1.64	-0.78
Sortino ratio Return per unit of downside risk	1.34	2.29	-0.95
Omega ratio Gain probability vs. loss probability	1.20	1.32	-0.12
Calmar ratio Return relative to maximum drawdown	1.44	2.47	-1.03
Martin ratio Return relative to average drawdown	6.58	9.55	-2.96
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

MMTM vs. SKOR - Sharpe Ratio Comparison

The current MMTM Sharpe Ratio is 0.86, which is lower than the SKOR Sharpe Ratio of 1.64. The chart below compares the historical Sharpe Ratios of MMTM and SKOR, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	MMTM	SKOR	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.86	1.64	-0.78
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.68	0.43	+0.24
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.75	0.59	+0.15
Sharpe Ratio (All Time) Calculated using the full available price history	0.80	0.62	+0.18

Correlation

The correlation between MMTM and SKOR is 0.13, which is considered to be low. This implies their price changes are not closely related. A low correlation is generally favorable for portfolio diversification, as it helps to reduce overall risk by spreading it across multiple assets with different performance patterns.

Dividends

MMTM vs. SKOR - Dividend Comparison

MMTM's dividend yield for the trailing twelve months is around 0.88%, less than SKOR's 4.72% yield.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
MMTM SPDR S&P 1500 Momentum Tilt ETF	0.88%	0.86%	0.83%	1.16%	1.67%	0.95%	1.14%	1.55%	1.64%	1.52%	1.98%	1.68%
SKOR FlexShares Credit-Scored US Corporate Bond Index Fund	4.72%	4.70%	4.90%	3.90%	2.57%	2.55%	3.38%	3.53%	2.85%	2.46%	2.74%	2.25%

Drawdowns

MMTM vs. SKOR - Drawdown Comparison

The maximum MMTM drawdown since its inception was -33.85%, which is greater than SKOR's maximum drawdown of -15.98%. Use the drawdown chart below to compare losses from any high point for MMTM and SKOR.

Drawdown Indicators

	MMTM	SKOR	Difference
Max Drawdown Largest peak-to-trough decline	-33.85%	-15.98%	-17.87%
Max Drawdown (1Y) Largest decline over 1 year	-13.12%	-2.23%	-10.89%
Max Drawdown (5Y) Largest decline over 5 years	-23.72%	-15.13%	-8.59%
Max Drawdown (10Y) Largest decline over 10 years	-33.85%	-15.98%	-17.87%
Current Drawdown Current decline from peak	-5.57%	-1.30%	-4.27%
Average Drawdown Average peak-to-trough decline	-4.24%	-2.68%	-1.56%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.87%	0.58%	+2.29%

Volatility

MMTM vs. SKOR - Volatility Comparison

SPDR S&P 1500 Momentum Tilt ETF (MMTM) has a higher volatility of 6.53% compared to FlexShares Credit-Scored US Corporate Bond Index Fund (SKOR) at 1.35%. This indicates that MMTM's price experiences larger fluctuations and is considered to be riskier than SKOR based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	MMTM	SKOR	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.53%	1.35%	+5.18%
Volatility (6M) Calculated over the trailing 6-month period	12.12%	1.86%	+10.26%
Volatility (1Y) Calculated over the trailing 1-year period	21.28%	3.28%	+18.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	18.29%	4.41%	+13.88%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	18.68%	4.91%	+13.77%