TLT vs. PRF
TLT (iShares 20+ Year Treasury Bond ETF) and PRF (Invesco RAFI US 1000 ETF) are both exchange-traded funds - TLT is a Government Bonds fund tracking the ICE U.S. Treasury 20+ Year Bond Index, while PRF is a Large Cap Value Equities fund tracking the RAFI Fundamental Select US 1000 Index. Both are passively managed. Over the past 10 years, TLT returned -1.78%/yr vs 13.94%/yr for PRF. At a correlation of -0.28, they often move in opposite directions. TLT charges 0.15%/yr vs 0.34%/yr for PRF.
Performance
TLT vs. PRF - Performance Comparison
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Returns By Period
In the year-to-date period, TLT achieves a 0.21% return, which is significantly lower than PRF's 16.44% return. Over the past 10 years, TLT has underperformed PRF with an annualized return of -1.78%, while PRF has yielded a comparatively higher 13.94% annualized return.
TLT
- 1D
- -0.06%
- 1M
- 2.87%
- YTD
- 0.21%
- 6M
- 0.32%
- 1Y
- 3.82%
- 3Y*
- -1.84%
- 5Y*
- -6.36%
- 10Y*
- -1.78%
PRF
- 1D
- 0.68%
- 1M
- 4.19%
- YTD
- 16.44%
- 6M
- 16.00%
- 1Y
- 34.32%
- 3Y*
- 20.74%
- 5Y*
- 13.06%
- 10Y*
- 13.94%
TLT vs. PRF - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | |
|---|---|---|---|---|---|---|---|---|---|---|
TLT iShares 20+ Year Treasury Bond ETF | 0.21% | 4.25% | -8.05% | 2.77% | -31.23% | -4.60% | 18.15% | 14.12% | -1.61% | 9.18% |
PRF Invesco RAFI US 1000 ETF | 16.44% | 18.33% | 16.73% | 15.72% | -7.79% | 31.12% | 7.78% | 27.42% | -8.71% | 16.01% |
Correlation
The correlation between TLT and PRF is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.26 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.22 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.06 |
Correlation (10Y) Calculated over the trailing 10-year period | -0.13 |
Correlation (All Time) Calculated using the full available price history since Dec 19, 2005 | -0.28 |
The correlation between TLT and PRF shifts across timeframes, from -0.28 (all time) to 0.26 (1 year), reflecting how their relationship changes across market environments.
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Return for Risk
TLT vs. PRF — Risk / Return Rank
TLT
PRF
TLT vs. PRF - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares 20+ Year Treasury Bond ETF (TLT) and Invesco RAFI US 1000 ETF (PRF). 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.
| TLT | PRF | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -2.76 | ||
| Sortino ratioReturn per unit of downside risk | -3.69 | ||
| Omega ratioGain probability vs. loss probability | 1.07 | 1.58 | -0.50 |
| Calmar ratioReturn relative to maximum drawdown | 0.51 | 5.23 | -4.72 |
| Martin ratioReturn relative to average drawdown | 1.22 | 21.40 | -20.18 |
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Drawdowns
TLT vs. PRF - Drawdown Comparison
The maximum TLT drawdown since its inception was -48.35%, smaller than the maximum PRF drawdown of -60.35%. Use the drawdown chart below to compare losses from any high point for TLT and PRF.
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Drawdown Indicators
| TLT | PRF | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -48.35% | -60.35% | +12.00% |
Max Drawdown (1Y)Largest decline over 1 year | -7.58% | -6.59% | -0.99% |
Max Drawdown (3Y)Largest decline over 3 years | -19.18% | -15.82% | -3.36% |
Max Drawdown (5Y)Largest decline over 5 years | -43.70% | -19.72% | -23.98% |
Max Drawdown (10Y)Largest decline over 10 years | -48.35% | -38.16% | -10.19% |
Current DrawdownCurrent decline from peak | -40.15% | 0.00% | -40.15% |
Average DrawdownAverage peak-to-trough decline | -13.85% | -6.92% | -6.93% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 3.14% | 1.61% | +1.53% |
Volatility
TLT vs. PRF - Volatility Comparison
The current volatility for iShares 20+ Year Treasury Bond ETF (TLT) is 2.84%, while Invesco RAFI US 1000 ETF (PRF) has a volatility of 3.64%. This indicates that TLT experiences smaller price fluctuations and is considered to be less risky than PRF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| TLT | PRF | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 2.84% | 3.64% | -0.80% |
Volatility (6M)Calculated over the trailing 6-month period | 6.64% | 8.18% | -1.54% |
Volatility (1Y)Calculated over the trailing 1-year period | 9.57% | 10.93% | -1.36% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 15.86% | 15.24% | +0.62% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 14.91% | 17.69% | -2.78% |
TLT vs. PRF - Expense Ratio Comparison
TLT has a 0.15% expense ratio, which is lower than PRF's 0.34% expense ratio.
Dividends
TLT vs. PRF - Dividend Comparison
TLT's dividend yield for the trailing twelve months is around 4.57%, more than PRF's 1.36% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
PRF Invesco RAFI US 1000 ETF | 1.36% | 1.59% | 1.78% | 1.84% | 2.01% | 1.58% | 1.97% | 1.99% | 2.25% | 1.58% | 2.17% | 2.25% |
TLT iShares 20+ Year Treasury Bond ETF | 4.57% | 4.43% | 4.30% | 3.38% | 2.67% | 1.50% | 1.50% | 2.27% | 2.63% | 2.43% | 2.60% | 2.61% |
Frequently Asked Questions
TLT and PRF have a correlation of 0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
PRF has higher volatility (3.64%) compared to TLT (2.84%). In terms of maximum drawdown, TLT dropped -48.35% vs PRF's -60.35%.
On 10-year performance, PRF leads with 13.94% vs -1.78% for TLT. On fees, TLT is cheaper at 0.15% per year. On volatility, TLT has been the lower-risk option at 2.84%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 10-year period, PRF has performed better with a 13.94% return vs -1.78%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
TLT is cheaper with a 0.15% expense ratio, compared with 0.34% for PRF.
TLT has the higher dividend yield at 4.57%, compared with 1.36% for PRF.
TLT is categorized as Government Bonds, while PRF is Large Cap Value Equities. TLT tracks ICE U.S. Treasury 20+ Year Bond Index, while PRF tracks RAFI Fundamental Select US 1000 Index. They also come from different issuers: iShares and Invesco. Their fees differ too: 0.15% for TLT and 0.34% for PRF.
PRF currently has the higher Sharpe Ratio (3.16 vs 0.40), 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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