IDX vs. YCS
IDX (VanEck Vectors Indonesia Index ETF) and YCS (ProShares UltraShort Yen) are both exchange-traded funds - IDX is a Asia Pacific Equities fund tracking the MVIS Indonesia Index, while YCS is a Leveraged Currency fund tracking the USD/JPY Exchange Rate (-200%). Both are passively managed. Over the past 10 years, IDX returned -3.74%/yr vs 13.63%/yr for YCS. At a 0.05 correlation, their price movements are largely independent. IDX charges 0.57%/yr vs 1.00%/yr for YCS.
Performance
IDX vs. YCS - Performance Comparison
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Returns By Period
In the year-to-date period, IDX achieves a -34.46% return, which is significantly lower than YCS's 9.78% return. Over the past 10 years, IDX has underperformed YCS with an annualized return of -3.74%, while YCS has yielded a comparatively higher 13.63% annualized return.
IDX
- 1D
- -2.52%
- 1M
- -1.99%
- YTD
- -34.46%
- 6M
- -35.63%
- 1Y
- -22.52%
- 3Y*
- -12.66%
- 5Y*
- -7.43%
- 10Y*
- -3.74%
YCS
- 1D
- 0.40%
- 1M
- 3.71%
- YTD
- 9.78%
- 6M
- 9.63%
- 1Y
- 31.36%
- 3Y*
- 18.43%
- 5Y*
- 23.50%
- 10Y*
- 13.63%
IDX vs. YCS - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
IDX VanEck Vectors Indonesia Index ETF | -34.46% | 13.83% | -9.75% | 1.98% | -9.40% | -2.59% | -7.45% | 6.26% | -10.46% | 19.24% |
YCS ProShares UltraShort Yen | 9.78% | 9.04% | 35.41% | 28.70% | 29.09% | 22.38% | -11.18% | 3.37% | -1.49% | -6.57% |
Correlation
The correlation between IDX and YCS is -0.14, 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 | -0.14 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.18 |
Correlation (5Y) Calculated over the trailing 5-year period | -0.17 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.08 |
Correlation (All Time) Calculated using the full available price history since Jan 20, 2009 | 0.05 |
The correlation between IDX and YCS shifts across timeframes, from -0.18 (3 years) to 0.05 (all time), reflecting how their relationship changes across market environments.
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Return for Risk
IDX vs. YCS — Risk / Return Rank
IDX
YCS
IDX vs. YCS - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for VanEck Vectors Indonesia Index ETF (IDX) 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.
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.
| IDX | YCS | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.69 | ||
| Sortino ratioReturn per unit of downside risk | -3.39 | ||
| Omega ratioGain probability vs. loss probability | 0.86 | 1.35 | -0.48 |
| Calmar ratioReturn relative to maximum drawdown | -0.51 | 3.79 | -4.30 |
| Martin ratioReturn relative to average drawdown | -1.48 | 11.86 | -13.33 |
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Drawdowns
IDX vs. YCS - Drawdown Comparison
The maximum IDX drawdown since its inception was -63.14%, which is greater than YCS's maximum drawdown of -49.56%. Use the drawdown chart below to compare losses from any high point for IDX and YCS.
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Drawdown Indicators
| IDX | YCS | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -63.14% | -49.56% | -13.58% |
Max Drawdown (1Y)Largest decline over 1 year | -44.52% | -8.30% | -36.22% |
Max Drawdown (3Y)Largest decline over 3 years | -46.73% | -23.05% | -23.68% |
Max Drawdown (5Y)Largest decline over 5 years | -51.25% | -27.32% | -23.93% |
Max Drawdown (10Y)Largest decline over 10 years | -59.11% | -27.32% | -31.79% |
Current DrawdownCurrent decline from peak | -55.55% | 0.00% | -55.55% |
Average DrawdownAverage peak-to-trough decline | -24.91% | -19.88% | -5.03% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 15.29% | 2.65% | +12.64% |
Volatility
IDX vs. YCS - Volatility Comparison
VanEck Vectors Indonesia Index ETF (IDX) has a higher volatility of 13.98% compared to ProShares UltraShort Yen (YCS) at 2.22%. This indicates that IDX'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.
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Volatility by Period
| IDX | YCS | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 13.98% | 2.22% | +11.76% |
Volatility (6M)Calculated over the trailing 6-month period | 24.92% | 12.19% | +12.73% |
Volatility (1Y)Calculated over the trailing 1-year period | 27.43% | 16.96% | +10.47% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 21.02% | 21.10% | -0.08% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 24.55% | 18.96% | +5.59% |
IDX vs. YCS - Expense Ratio Comparison
IDX has a 0.57% expense ratio, which is lower than YCS's 1.00% expense ratio.
Dividends
IDX vs. YCS - Dividend Comparison
IDX's dividend yield for the trailing twelve months is around 3.18%, while YCS has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IDX VanEck Vectors Indonesia Index ETF | 3.18% | 2.08% | 4.01% | 3.62% | 3.64% | 1.08% | 1.66% | 2.21% | 2.19% | 1.85% | 1.16% | 2.43% |
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
IDX and YCS have a correlation of -0.14, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
IDX has higher volatility (13.98%) compared to YCS (2.22%). In terms of maximum drawdown, IDX dropped -63.14% vs YCS's -49.56%.
On 10-year performance, YCS leads with 13.63% vs -3.74% for IDX. On fees, IDX is cheaper at 0.57% per year. On volatility, YCS has been the lower-risk option at 2.22%. 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 13.63% return vs -3.74%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
IDX is cheaper with a 0.57% expense ratio, compared with 1.00% for YCS.
IDX has the higher dividend yield at 3.18%, compared with 0.00% for YCS.
IDX is categorized as Asia Pacific Equities, while YCS is Leveraged Currency. IDX tracks MVIS Indonesia Index, while YCS tracks USD/JPY Exchange Rate (-200%). They also come from different issuers: VanEck and ProShares. Their fees differ too: 0.57% for IDX and 1.00% for YCS.
YCS currently has the higher Sharpe Ratio (1.86 vs -0.83), 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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