REM vs. YCS
REM (iShares Mortgage Real Estate ETF) and YCS (ProShares UltraShort Yen) are both exchange-traded funds - REM is a REIT fund tracking the FTSE NAREIT All Mortgage Capped Index, while YCS is a Leveraged Currency fund tracking the USD/JPY Exchange Rate (-200%). Both are passively managed. Over the past 10 years, REM returned 2.55%/yr vs 12.34%/yr for YCS. At a 0.01 correlation, their price movements are largely independent. REM charges 0.48%/yr vs 1.00%/yr for YCS.
Performance
REM vs. YCS - Performance Comparison
Loading charts...
Returns By Period
In the year-to-date period, REM achieves a -2.10% return, which is significantly lower than YCS's 7.17% return. Over the past 10 years, REM has underperformed YCS with an annualized return of 2.55%, while YCS has yielded a comparatively higher 12.34% annualized return.
REM
- 1D
- -1.24%
- 1M
- -4.86%
- YTD
- -2.10%
- 6M
- -2.10%
- 1Y
- 11.53%
- 3Y*
- 8.00%
- 5Y*
- -2.48%
- 10Y*
- 2.55%
YCS
- 1D
- 0.17%
- 1M
- 4.42%
- YTD
- 7.17%
- 6M
- 10.05%
- 1Y
- 32.82%
- 3Y*
- 19.84%
- 5Y*
- 23.54%
- 10Y*
- 12.34%
REM vs. YCS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
REM iShares Mortgage Real Estate ETF | -2.10% | 13.30% | -1.00% | 14.43% | -27.56% | 16.14% | -19.99% | 21.34% | -3.09% | 18.43% |
YCS ProShares UltraShort Yen | 7.17% | 9.04% | 35.41% | 28.70% | 29.09% | 22.38% | -11.18% | 3.37% | -1.49% | -6.57% |
Correlation
The correlation between REM and YCS is -0.37, 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 | -0.37 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.21 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.14 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.06 |
Correlation (All Time) Calculated using the full available price history since Nov 26, 2008 | 0.01 |
The correlation between REM and YCS shifts across timeframes, from -0.37 (1 year) to 0.01 (all time), reflecting how their relationship changes across market environments.
Compare stocks, funds, or ETFs
Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.
Return for Risk
REM vs. YCS — Risk / Return Rank
REM
YCS
REM vs. YCS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Mortgage Real Estate ETF (REM) and ProShares UltraShort Yen (YCS). 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.
| REM | YCS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.23 | ||
| Sortino ratioReturn per unit of downside risk | -1.40 | ||
| Omega ratioGain probability vs. loss probability | 1.13 | 1.35 | -0.22 |
| Calmar ratioReturn relative to maximum drawdown | 0.81 | 3.97 | -3.16 |
| Martin ratioReturn relative to average drawdown | 2.33 | 12.40 | -10.06 |
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month. | |||
Loading charts...
Sharpe Ratios by Period
| REM | YCS | Difference | |
|---|---|---|---|
Sharpe Ratio (1Y)Calculated over the trailing 1-year period | 0.69 | 1.92 | -1.23 |
Sharpe Ratio (5Y)Calculated over the trailing 5-year period | -0.11 | 1.12 | -1.23 |
Sharpe Ratio (10Y)Calculated over the trailing 10-year period | 0.09 | 0.65 | -0.56 |
Sharpe Ratio (All Time)Calculated using the full available price history | -0.05 | 0.33 | -0.38 |
Drawdowns
REM vs. YCS - Drawdown Comparison
The maximum REM drawdown since its inception was -74.73%, which is greater than YCS's maximum drawdown of -49.56%. Use the drawdown chart below to compare losses from any high point for REM and YCS.
Loading charts...
Drawdown Indicators
| REM | YCS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -74.73% | -49.56% | -25.17% |
Max Drawdown (1Y)Largest decline over 1 year | -14.25% | -8.30% | -5.95% |
Max Drawdown (3Y)Largest decline over 3 years | -21.91% | -23.05% | +1.14% |
Max Drawdown (5Y)Largest decline over 5 years | -43.31% | -27.32% | -15.99% |
Max Drawdown (10Y)Largest decline over 10 years | -68.52% | -27.32% | -41.20% |
Current DrawdownCurrent decline from peak | -23.85% | 0.00% | -23.85% |
Average DrawdownAverage peak-to-trough decline | -38.35% | -19.93% | -18.42% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 4.95% | 2.66% | +2.29% |
Volatility
REM vs. YCS - Volatility Comparison
iShares Mortgage Real Estate ETF (REM) has a higher volatility of 3.81% compared to ProShares UltraShort Yen (YCS) at 2.75%. This indicates that REM's price experiences larger fluctuations and is considered to be riskier than YCS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
Loading charts...
Volatility by Period
| REM | YCS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 3.81% | 2.75% | +1.06% |
Volatility (6M)Calculated over the trailing 6-month period | 13.01% | 12.32% | +0.69% |
Volatility (1Y)Calculated over the trailing 1-year period | 16.85% | 17.27% | -0.42% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 23.57% | 21.10% | +2.47% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 28.27% | 19.01% | +9.26% |
REM vs. YCS - Expense Ratio Comparison
REM has a 0.48% expense ratio, which is lower than YCS's 1.00% expense ratio.
Dividends
REM vs. YCS - Dividend Comparison
REM's dividend yield for the trailing twelve months is around 9.19%, while YCS has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
REM iShares Mortgage Real Estate ETF | 9.19% | 8.70% | 9.61% | 9.46% | 11.13% | 7.29% | 7.72% | 8.16% | 10.00% | 9.97% | 10.03% | 11.99% |
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% |
Frequently Asked Questions
REM and YCS have a correlation of -0.37, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
REM has higher volatility (3.81%) compared to YCS (2.75%). In terms of maximum drawdown, REM dropped -74.73% vs YCS's -49.56%.
On 10-year performance, YCS leads with 12.34% vs 2.55% for REM. On fees, REM is cheaper at 0.48% per year. On volatility, YCS has been the lower-risk option at 2.75%. 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 12.34% return vs 2.55%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
REM is cheaper with a 0.48% expense ratio, compared with 1.00% for YCS.
REM has the higher dividend yield at 9.19%, compared with 0.00% for YCS.
REM is categorized as REIT, while YCS is Leveraged Currency. REM tracks FTSE NAREIT All Mortgage Capped Index, while YCS tracks USD/JPY Exchange Rate (-200%). They also come from different issuers: iShares and ProShares. Their fees differ too: 0.48% for REM and 1.00% for YCS.
YCS currently has the higher Sharpe Ratio (1.92 vs 0.69), 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.
Find the right allocation for REM and YCS
Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
Open Portfolio Optimizer