PSRM.L vs. IDTW.L
PSRM.L (Invesco FTSE RAFI Emerging Markets UCITS ETF) and IDTW.L (iShares MSCI Taiwan UCITS ETF USD (Dist)) are both exchange-traded funds - PSRM.L is a Emerging Markets Equities fund tracking the MSCI EM NR USD, while IDTW.L is a Technology Equities fund tracking the MSCI Taiwan 20/35 Index (Net) (USD). Both are passively managed. Over the past 10 years, PSRM.L returned 9.53%/yr vs 19.60%/yr for IDTW.L. A 0.63 correlation means they provide meaningful diversification when combined. PSRM.L charges 0.49%/yr vs 0.74%/yr for IDTW.L.
Performance
PSRM.L vs. IDTW.L - Performance Comparison
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Different Trading Currencies
PSRM.L is traded in GBp, while IDTW.L is traded in USD. To make them comparable, the IDTW.L values have been converted to GBp using the latest available exchange rates.
Returns By Period
In the year-to-date period, PSRM.L achieves a 13.27% return, which is significantly lower than IDTW.L's 51.98% return. Over the past 10 years, PSRM.L has underperformed IDTW.L with an annualized return of 9.53%, while IDTW.L has yielded a comparatively higher 19.60% annualized return.
PSRM.L
- 1D
- -1.32%
- 1M
- -8.15%
- 6M
- 9.19%
- YTD
- 13.27%
- 1Y
- 26.38%
- 3Y*
- 19.17%
- 5Y*
- 10.51%
- 10Y*
- 9.53%
IDTW.L
- 1D
- -3.83%
- 1M
- -11.68%
- 6M
- 41.89%
- YTD
- 51.98%
- 1Y
- 72.88%
- 3Y*
- 36.25%
- 5Y*
- 19.38%
- 10Y*
- 19.60%
PSRM.L vs. IDTW.L - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
PSRM.L Invesco FTSE RAFI Emerging Markets UCITS ETF | 13.27% | 22.43% | 15.15% | 6.50% | -4.31% | 10.13% | -3.49% | 12.27% | -2.72% | 13.06% |
IDTW.L iShares MSCI Taiwan UCITS ETF USD (Dist) | 51.98% | 22.39% | 25.77% | 22.40% | -21.17% | 29.73% | 30.40% | 29.33% | -3.73% | 16.98% |
Correlation
The correlation between PSRM.L and IDTW.L is 0.76, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.76 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.65 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.62 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.69 |
Correlation (All Time) Calculated using the full available price history since Jan 2, 2008 | 0.63 |
The correlation between PSRM.L and IDTW.L shifts across timeframes, from 0.62 (5 years) to 0.76 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
PSRM.L vs. IDTW.L — Risk / Return Rank
PSRM.L
IDTW.L
PSRM.L vs. IDTW.L - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Invesco FTSE RAFI Emerging Markets UCITS ETF (PSRM.L) and iShares MSCI Taiwan UCITS ETF USD (Dist) (IDTW.L). 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.
| PSRM.L | IDTW.L | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -1.21 | ||
| Sortino ratioReturn per unit of downside risk | -1.27 | ||
| Omega ratioGain probability vs. loss probability | 1.27 | 1.44 | -0.17 |
| Calmar ratioReturn relative to maximum drawdown | 2.58 | 4.61 | -2.03 |
| Martin ratioReturn relative to average drawdown | 7.49 | 17.16 | -9.68 |
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Drawdowns
PSRM.L vs. IDTW.L - Drawdown Comparison
The maximum PSRM.L drawdown since its inception was -76.96%, which is greater than IDTW.L's maximum drawdown of -47.00%. Use the drawdown chart below to compare losses from any high point for PSRM.L and IDTW.L.
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Drawdown Indicators
| PSRM.L | IDTW.L | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -76.96% | -47.00% | -29.96% |
Max Drawdown (1Y)Largest decline over 1 year | -10.18% | -15.73% | +5.55% |
Max Drawdown (3Y)Largest decline over 3 years | -14.44% | -29.91% | +15.47% |
Max Drawdown (5Y)Largest decline over 5 years | -17.54% | -30.18% | +12.64% |
Max Drawdown (10Y)Largest decline over 10 years | -29.37% | -30.18% | +0.81% |
Current DrawdownCurrent decline from peak | -10.18% | -15.73% | +5.55% |
Average DrawdownAverage peak-to-trough decline | -45.51% | -9.11% | -36.40% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.51% | 4.23% | -0.72% |
Volatility
PSRM.L vs. IDTW.L - Volatility Comparison
The current volatility for Invesco FTSE RAFI Emerging Markets UCITS ETF (PSRM.L) is 7.45%, while iShares MSCI Taiwan UCITS ETF USD (Dist) (IDTW.L) has a volatility of 11.44%. This indicates that PSRM.L experiences smaller price fluctuations and is considered to be less risky than IDTW.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| PSRM.L | IDTW.L | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 7.45% | 11.44% | -3.99% |
Volatility (6M)Calculated over the trailing 6-month period | 15.62% | 23.56% | -7.94% |
Volatility (1Y)Calculated over the trailing 1-year period | 17.80% | 27.04% | -9.24% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 16.47% | 22.51% | -6.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.35% | 21.79% | -3.44% |
PSRM.L vs. IDTW.L - Expense Ratio Comparison
PSRM.L has a 0.49% expense ratio, which is lower than IDTW.L's 0.74% expense ratio.
Dividends
PSRM.L vs. IDTW.L - Dividend Comparison
PSRM.L's dividend yield for the trailing twelve months is around 2.61%, more than IDTW.L's 0.99% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
IDTW.L iShares MSCI Taiwan UCITS ETF USD (Dist) | 0.99% | 1.51% | 1.43% | 2.09% | 3.39% | 1.35% | 1.73% | 2.15% | 2.78% | 2.70% | 3.10% | 3.33% |
PSRM.L Invesco FTSE RAFI Emerging Markets UCITS ETF | 2.61% | 3.01% | 3.44% | 4.21% | 5.74% | 3.36% | 2.70% | 2.76% | 2.92% | 2.43% | 1.88% | 3.15% |
Frequently Asked Questions
PSRM.L and IDTW.L have a correlation of 0.76, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
On fees, PSRM.L is cheaper at 0.49% per year. The better choice depends on whether you care most about return, fees, risk, or income.
PSRM.L is cheaper with a 0.49% expense ratio, compared with 0.74% for IDTW.L.
PSRM.L is categorized as Emerging Markets Equities, while IDTW.L is Technology Equities. PSRM.L tracks MSCI EM NR USD, while IDTW.L tracks MSCI Taiwan 20/35 Index (Net) (USD). They also come from different issuers: Invesco and iShares. Their fees differ too: 0.49% for PSRM.L and 0.74% for IDTW.L.
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