XTR vs. TAIL
XTR (Global X S&P 500 Tail Risk ETF) and TAIL (Cambria Tail Risk ETF) are both exchange-traded funds - XTR is a Equity Hedged fund tracking the Cboe S&P 500 Tail Risk Index, while TAIL is a Volatility Hedged Equity fund actively managed by Cambria. XTR is passively managed, while TAIL is actively managed. Over the past 3 years, XTR returned 17.45%/yr vs -5.57%/yr for TAIL. At a correlation of -0.64, they often move in opposite directions. XTR charges 0.25%/yr vs 0.59%/yr for TAIL.
Performance
XTR vs. TAIL - Performance Comparison
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Returns By Period
In the year-to-date period, XTR achieves a 7.44% return, which is significantly higher than TAIL's -6.46% return.
XTR
- 1D
- -0.42%
- 1M
- 0.04%
- YTD
- 7.44%
- 6M
- 7.03%
- 1Y
- 21.44%
- 3Y*
- 17.45%
- 5Y*
- —
- 10Y*
- —
TAIL
- 1D
- -0.28%
- 1M
- -0.16%
- YTD
- -6.46%
- 6M
- -6.38%
- 1Y
- -9.61%
- 3Y*
- -5.57%
- 5Y*
- -8.44%
- 10Y*
- —
XTR vs. TAIL - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | 2023 | 2022 | 2021 | |
|---|---|---|---|---|---|---|
XTR Global X S&P 500 Tail Risk ETF | 7.44% | 13.66% | 21.85% | 21.16% | -17.67% | 4.25% |
TAIL Cambria Tail Risk ETF | -6.46% | 5.48% | -9.62% | -13.29% | -13.13% | -4.16% |
Correlation
The correlation between XTR and TAIL is -0.60, 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 | -0.60 |
Correlation (3Y) Calculated over the trailing 3-year period | -0.54 |
Correlation (All Time) Calculated using the full available price history since Aug 26, 2021 | -0.64 |
The correlation between XTR and TAIL shifts across timeframes, from -0.64 (all time) to -0.54 (3 years), reflecting how their relationship changes across market environments.
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Return for Risk
XTR vs. TAIL — Risk / Return Rank
XTR
TAIL
XTR vs. TAIL - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for Global X S&P 500 Tail Risk ETF (XTR) and Cambria Tail Risk ETF (TAIL). 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.
| XTR | TAIL | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | +3.05 | ||
| Sortino ratioReturn per unit of downside risk | +4.26 | ||
| Omega ratioGain probability vs. loss probability | 1.34 | 0.81 | +0.52 |
| Calmar ratioReturn relative to maximum drawdown | 2.53 | -0.87 | +3.40 |
| Martin ratioReturn relative to average drawdown | 10.48 | -1.96 | +12.45 |
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Drawdowns
XTR vs. TAIL - Drawdown Comparison
The maximum XTR drawdown since its inception was -20.83%, smaller than the maximum TAIL drawdown of -52.36%. Use the drawdown chart below to compare losses from any high point for XTR and TAIL.
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Drawdown Indicators
| XTR | TAIL | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -20.83% | -52.36% | +31.53% |
Max Drawdown (1Y)Largest decline over 1 year | -8.51% | -11.10% | +2.59% |
Max Drawdown (3Y)Largest decline over 3 years | -14.35% | -20.78% | +6.43% |
Max Drawdown (5Y)Largest decline over 5 years | — | -38.44% | — |
Current DrawdownCurrent decline from peak | -1.76% | -51.70% | +49.94% |
Average DrawdownAverage peak-to-trough decline | -5.91% | -29.22% | +23.31% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.05% | 4.90% | -2.85% |
Volatility
XTR vs. TAIL - Volatility Comparison
Global X S&P 500 Tail Risk ETF (XTR) has a higher volatility of 4.54% compared to Cambria Tail Risk ETF (TAIL) at 1.60%. This indicates that XTR's price experiences larger fluctuations and is considered to be riskier than TAIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| XTR | TAIL | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.54% | 1.60% | +2.94% |
Volatility (6M)Calculated over the trailing 6-month period | 9.00% | 6.56% | +2.44% |
Volatility (1Y)Calculated over the trailing 1-year period | 11.36% | 8.42% | +2.94% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 13.85% | 14.89% | -1.04% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 13.85% | 14.91% | -1.06% |
XTR vs. TAIL - Expense Ratio Comparison
XTR has a 0.25% expense ratio, which is lower than TAIL's 0.59% expense ratio.
Dividends
XTR vs. TAIL - Dividend Comparison
XTR's dividend yield for the trailing twelve months is around 16.59%, more than TAIL's 2.93% yield.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 |
|---|---|---|---|---|---|---|---|---|---|---|
TAIL Cambria Tail Risk ETF | 2.93% | 2.88% | 3.48% | 3.74% | 1.50% | 0.49% | 0.36% | 1.58% | 1.52% | 0.91% |
XTR Global X S&P 500 Tail Risk ETF | 16.59% | 17.82% | 20.89% | 1.09% | 1.08% | 2.32% | 0.00% | 0.00% | 0.00% | 0.00% |
Frequently Asked Questions
XTR and TAIL have a correlation of -0.60, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
XTR has higher volatility (4.54%) compared to TAIL (1.60%). In terms of maximum drawdown, XTR dropped -20.83% vs TAIL's -52.36%.
On 3-year performance, XTR leads with 17.45% vs -5.57% for TAIL. On fees, XTR is cheaper at 0.25% per year. On volatility, TAIL has been the lower-risk option at 1.60%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 3-year period, XTR has performed better with a 17.45% return vs -5.57%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
XTR is cheaper with a 0.25% expense ratio, compared with 0.59% for TAIL.
XTR has the higher dividend yield at 16.59%, compared with 2.93% for TAIL.
XTR is categorized as Equity Hedged, while TAIL is Volatility Hedged Equity. They also come from different issuers: Global X and Cambria. Their fees differ too: 0.25% for XTR and 0.59% for TAIL.
XTR currently has the higher Sharpe Ratio (1.90 vs -1.15), 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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