SKOR vs. PULS
SKOR (FlexShares Credit-Scored US Corporate Bond Index Fund) and PULS (PGIM Ultra Short Bond ETF) are both exchange-traded funds - SKOR is a Corporate Bonds fund tracking the NorthernTrustUS Corporate Bond Quality Value Index, while PULS is a Ultrashort Bond fund actively managed by PGIM. SKOR is passively managed, while PULS is actively managed. Over the past 5 years, SKOR returned 1.74%/yr vs 4.14%/yr for PULS. At a 0.33 correlation, their price movements are largely independent. SKOR charges 0.22%/yr vs 0.15%/yr for PULS.
Performance
SKOR vs. PULS - Performance Comparison
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Returns By Period
In the year-to-date period, SKOR achieves a 0.54% return, which is significantly lower than PULS's 1.88% return.
SKOR
- 1D
- -0.05%
- 1M
- 0.37%
- YTD
- 0.54%
- 6M
- 1.02%
- 1Y
- 5.20%
- 3Y*
- 6.13%
- 5Y*
- 1.74%
- 10Y*
- 2.88%
PULS
- 1D
- 0.04%
- 1M
- 0.38%
- YTD
- 1.88%
- 6M
- 2.10%
- 1Y
- 4.67%
- 3Y*
- 5.59%
- 5Y*
- 4.14%
- 10Y*
- —
SKOR vs. PULS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | |
|---|---|---|---|---|---|---|---|---|---|
SKOR FlexShares Credit-Scored US Corporate Bond Index Fund | 0.54% | 7.99% | 4.42% | 7.64% | -9.88% | -1.40% | 8.84% | 10.69% | 1.04% |
PULS PGIM Ultra Short Bond ETF | 1.88% | 4.97% | 6.12% | 6.26% | 1.52% | 0.48% | 1.47% | 2.97% | 1.71% |
Correlation
The correlation between SKOR and PULS is 0.39, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.39 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.47 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.42 |
Correlation (All Time) Calculated using the full available price history since Apr 10, 2018 | 0.33 |
The correlation between SKOR and PULS shifts across timeframes, from 0.33 (all time) to 0.47 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
SKOR vs. PULS — Risk / Return Rank
SKOR
PULS
SKOR vs. PULS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for FlexShares Credit-Scored US Corporate Bond Index Fund (SKOR) and PGIM Ultra Short Bond ETF (PULS). 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.
| SKOR | PULS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -9.57 | ||
| Sortino ratioReturn per unit of downside risk | -30.15 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 7.59 | -6.25 |
| Calmar ratioReturn relative to maximum drawdown | 2.38 | 52.47 | -50.09 |
| Martin ratioReturn relative to average drawdown | 8.31 | 317.38 | -309.07 |
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Drawdowns
SKOR vs. PULS - Drawdown Comparison
The maximum SKOR drawdown since its inception was -15.98%, which is greater than PULS's maximum drawdown of -5.85%. Use the drawdown chart below to compare losses from any high point for SKOR and PULS.
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Drawdown Indicators
| SKOR | PULS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -15.98% | -5.85% | -10.13% |
Max Drawdown (1Y)Largest decline over 1 year | -2.09% | -0.09% | -2.00% |
Max Drawdown (3Y)Largest decline over 3 years | -3.11% | -0.34% | -2.77% |
Max Drawdown (5Y)Largest decline over 5 years | -15.13% | -0.79% | -14.34% |
Max Drawdown (10Y)Largest decline over 10 years | -15.98% | — | — |
Current DrawdownCurrent decline from peak | -0.57% | 0.00% | -0.57% |
Average DrawdownAverage peak-to-trough decline | -2.65% | -0.09% | -2.56% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 0.60% | 0.01% | +0.59% |
Volatility
SKOR vs. PULS - Volatility Comparison
FlexShares Credit-Scored US Corporate Bond Index Fund (SKOR) has a higher volatility of 0.94% compared to PGIM Ultra Short Bond ETF (PULS) at 0.11%. This indicates that SKOR's price experiences larger fluctuations and is considered to be riskier than PULS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| SKOR | PULS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 0.94% | 0.11% | +0.83% |
Volatility (6M)Calculated over the trailing 6-month period | 2.04% | 0.30% | +1.74% |
Volatility (1Y)Calculated over the trailing 1-year period | 2.71% | 0.41% | +2.30% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 4.43% | 0.70% | +3.73% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 4.90% | 1.33% | +3.57% |
SKOR vs. PULS - Expense Ratio Comparison
SKOR has a 0.22% expense ratio, which is higher than PULS's 0.15% 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
SKOR vs. PULS - Dividend Comparison
SKOR's dividend yield for the trailing twelve months is around 4.66%, more than PULS's 4.57% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PULS PGIM Ultra Short Bond ETF | 4.57% | 4.78% | 5.62% | 5.48% | 2.30% | 1.19% | 1.85% | 2.69% | 1.87% | 0.00% | 0.00% | 0.00% |
SKOR FlexShares Credit-Scored US Corporate Bond Index Fund | 4.66% | 4.70% | 4.90% | 3.90% | 2.57% | 2.55% | 3.38% | 3.53% | 2.85% | 2.46% | 2.74% | 2.25% |
Frequently Asked Questions
SKOR and PULS have a correlation of 0.39, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
SKOR has higher volatility (0.94%) compared to PULS (0.11%). In terms of maximum drawdown, SKOR dropped -15.98% vs PULS's -5.85%.
On 5-year performance, PULS leads with 4.14% vs 1.74% for SKOR. On fees, PULS is cheaper at 0.15% per year. On volatility, PULS has been the lower-risk option at 0.11%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 5-year period, PULS has performed better with a 4.14% return vs 1.74%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
PULS is cheaper with a 0.15% expense ratio, compared with 0.22% for SKOR.
SKOR has the higher dividend yield at 4.66%, compared with 4.57% for PULS.
SKOR is categorized as Corporate Bonds, while PULS is Ultrashort Bond. They also come from different issuers: Northern Trust and PGIM. Their fees differ too: 0.22% for SKOR and 0.15% for PULS.
PULS currently has the higher Sharpe Ratio (11.41 vs 1.84), 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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