YCS vs. ZROZ
YCS (ProShares UltraShort Yen) and ZROZ (PIMCO 25+ Year Zero Coupon US Treasury Index Fund) are both exchange-traded funds - YCS is a Leveraged Currency fund tracking the USD/JPY Exchange Rate (-200%), while ZROZ is a Government Bonds fund tracking the ICE BofA Long U.S. Treasury Principal STRIPS Index. Both are passively managed. Over the past 10 years, YCS returned 12.50%/yr vs -4.28%/yr for ZROZ. At a correlation of -0.41, they often move in opposite directions. YCS charges 1.00%/yr vs 0.15%/yr for ZROZ.
Performance
YCS vs. ZROZ - Performance Comparison
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Returns By Period
In the year-to-date period, YCS achieves a 7.60% return, which is significantly higher than ZROZ's -0.11% return. Over the past 10 years, YCS has outperformed ZROZ with an annualized return of 12.50%, while ZROZ has yielded a comparatively lower -4.28% annualized return.
YCS
- 1D
- 0.94%
- 1M
- 2.24%
- YTD
- 7.60%
- 6M
- 9.35%
- 1Y
- 33.14%
- 3Y*
- 19.77%
- 5Y*
- 23.58%
- 10Y*
- 12.50%
ZROZ
- 1D
- -0.31%
- 1M
- 5.14%
- YTD
- -0.11%
- 6M
- -0.09%
- 1Y
- 2.42%
- 3Y*
- -6.87%
- 5Y*
- -11.89%
- 10Y*
- -4.28%
YCS vs. ZROZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
YCS ProShares UltraShort Yen | 7.60% | 9.04% | 35.41% | 28.70% | 29.09% | 22.38% | -11.18% | 3.37% | -1.49% | -6.57% |
ZROZ PIMCO 25+ Year Zero Coupon US Treasury Index Fund | -0.11% | -1.84% | -16.18% | 1.19% | -41.28% | -5.22% | 24.57% | 21.22% | -5.43% | 14.77% |
Correlation
The correlation between YCS and ZROZ is -0.38, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | -0.38 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.38 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.39 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.42 |
Correlation (All Time) Calculated using the full available price history since Nov 4, 2009 | -0.41 |
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Return for Risk
YCS vs. ZROZ — Risk / Return Rank
YCS
ZROZ
YCS vs. ZROZ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for ProShares UltraShort Yen (YCS) and PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ). 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.
| YCS | ZROZ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +1.95 | ||
| Sortino ratioReturn per unit of downside risk | +2.34 | ||
| Omega ratioGain probability vs. loss probability | 1.37 | 1.02 | +0.35 |
| Calmar ratioReturn relative to maximum drawdown | 4.09 | 0.05 | +4.04 |
| Martin ratioReturn relative to average drawdown | 12.77 | 0.10 | +12.66 |
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Drawdowns
YCS vs. ZROZ - Drawdown Comparison
The maximum YCS drawdown since its inception was -49.56%, smaller than the maximum ZROZ drawdown of -62.93%. Use the drawdown chart below to compare losses from any high point for YCS and ZROZ.
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Drawdown Indicators
| YCS | ZROZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -49.56% | -62.93% | +13.37% |
Max Drawdown (1Y)Largest decline over 1 year | -8.30% | -14.02% | +5.72% |
Max Drawdown (3Y)Largest decline over 3 years | -23.05% | -28.62% | +5.57% |
Max Drawdown (5Y)Largest decline over 5 years | -27.32% | -57.98% | +30.66% |
Max Drawdown (10Y)Largest decline over 10 years | -27.32% | -62.93% | +35.61% |
Current DrawdownCurrent decline from peak | -0.53% | -59.54% | +59.01% |
Average DrawdownAverage peak-to-trough decline | -19.90% | -24.10% | +4.20% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.65% | 6.31% | -3.66% |
Volatility
YCS vs. ZROZ - Volatility Comparison
The current volatility for ProShares UltraShort Yen (YCS) is 2.26%, while PIMCO 25+ Year Zero Coupon US Treasury Index Fund (ZROZ) has a volatility of 4.59%. This indicates that YCS experiences smaller price fluctuations and is considered to be less risky than ZROZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| YCS | ZROZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.26% | 4.59% | -2.33% |
Volatility (6M)Calculated over the trailing 6-month period | 12.26% | 10.78% | +1.48% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.08% | 16.12% | +0.96% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.09% | 23.89% | -2.80% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 19.01% | 22.06% | -3.05% |
YCS vs. ZROZ - Expense Ratio Comparison
YCS has a 1.00% expense ratio, which is higher than ZROZ's 0.15% expense ratio.
Dividends
YCS vs. ZROZ - Dividend Comparison
YCS has not paid dividends to shareholders, while ZROZ's dividend yield for the trailing twelve months is around 5.10%.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
YCS ProShares UltraShort Yen | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
ZROZ PIMCO 25+ Year Zero Coupon US Treasury Index Fund | 5.10% | 4.96% | 4.58% | 3.52% | 2.76% | 1.60% | 1.68% | 2.22% | 2.06% | 2.53% | 3.00% | 2.98% |
Frequently Asked Questions
YCS and ZROZ have a correlation of -0.38, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
ZROZ has higher volatility (4.59%) compared to YCS (2.26%). In terms of maximum drawdown, YCS dropped -49.56% vs ZROZ's -62.93%.
On 10-year performance, YCS leads with 12.50% vs -4.28% for ZROZ. On fees, ZROZ is cheaper at 0.15% per year. On volatility, YCS has been the lower-risk option at 2.26%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, YCS has performed better with a 12.50% return vs -4.28%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
ZROZ is cheaper with a 0.15% expense ratio, compared with 1.00% for YCS.
ZROZ has the higher dividend yield at 5.10%, compared with 0.00% for YCS.
YCS is categorized as Leveraged Currency, while ZROZ is Government Bonds. YCS tracks USD/JPY Exchange Rate (-200%), while ZROZ tracks ICE BofA Long U.S. Treasury Principal STRIPS Index. They also come from different issuers: ProShares and PIMCO. Their fees differ too: 1.00% for YCS and 0.15% for ZROZ.
YCS currently has the higher Sharpe Ratio (1.99 vs 0.04), 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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