ITOT vs. MSTZ
ITOT (iShares Core S&P Total U.S. Stock Market ETF) and MSTZ (T-REX 2X Inverse MSTR Daily Target ETF) are both exchange-traded funds - ITOT is a Large Cap Blend Equities fund tracking the S&P Total Market Index, while MSTZ is a Inverse Equities fund actively managed by REX. ITOT is passively managed, while MSTZ is actively managed. Over the past year, ITOT returned 22.95% vs 279.21% for MSTZ. At a correlation of -0.48, they often move in opposite directions. ITOT charges 0.03%/yr vs 1.05%/yr for MSTZ.
Performance
ITOT vs. MSTZ - Performance Comparison
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Returns By Period
In the year-to-date period, ITOT achieves a 8.95% return, which is significantly higher than MSTZ's 1.05% return.
ITOT
- 1D
- 0.08%
- 1M
- -1.51%
- YTD
- 8.95%
- 6M
- 7.49%
- 1Y
- 22.95%
- 3Y*
- 20.80%
- 5Y*
- 11.85%
- 10Y*
- 15.35%
MSTZ
- 1D
- 19.27%
- 1M
- 186.45%
- YTD
- 1.05%
- 6M
- 9.89%
- 1Y
- 279.21%
- 3Y*
- —
- 5Y*
- —
- 10Y*
- —
ITOT vs. MSTZ - Yearly Performance Comparison
| 2026 (YTD) | 2025 | 2024 | |
|---|---|---|---|
ITOT iShares Core S&P Total U.S. Stock Market ETF | 8.95% | 17.00% | 4.99% |
MSTZ T-REX 2X Inverse MSTR Daily Target ETF | 1.05% | -38.95% | -94.43% |
Correlation
The correlation between ITOT and MSTZ is -0.51, 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 | -0.51 |
Correlation (All Time) Calculated using the full available price history since Sep 18, 2024 | -0.48 |
The correlation between ITOT and MSTZ has been stable across timeframes, ranging from -0.51 to -0.48 - a consistent structural relationship.
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Return for Risk
ITOT vs. MSTZ — Risk / Return Rank
ITOT
MSTZ
ITOT vs. MSTZ - Risk-Adjusted Trends Comparison
This table presents a comparison of risk-adjusted performance metrics for iShares Core S&P Total U.S. Stock Market ETF (ITOT) and T-REX 2X Inverse MSTR Daily Target ETF (MSTZ). 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.
| ITOT | MSTZ | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | -0.13 | ||
| Sortino ratioReturn per unit of downside risk | -0.01 | ||
| Omega ratioGain probability vs. loss probability | 1.32 | 1.32 | +0.01 |
| Calmar ratioReturn relative to maximum drawdown | 2.59 | 3.31 | -0.72 |
| Martin ratioReturn relative to average drawdown | 11.40 | 6.57 | +4.82 |
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Drawdowns
ITOT vs. MSTZ - Drawdown Comparison
The maximum ITOT drawdown since its inception was -55.20%, smaller than the maximum MSTZ drawdown of -99.38%. Use the drawdown chart below to compare losses from any high point for ITOT and MSTZ.
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Drawdown Indicators
| ITOT | MSTZ | Difference | |
|---|---|---|---|
Max DrawdownLargest peak-to-trough decline | -55.20% | -99.38% | +44.18% |
Max Drawdown (1Y)Largest decline over 1 year | -8.90% | -84.89% | +75.99% |
Max Drawdown (3Y)Largest decline over 3 years | -19.44% | — | — |
Max Drawdown (5Y)Largest decline over 5 years | -25.36% | — | — |
Max Drawdown (10Y)Largest decline over 10 years | -35.00% | — | — |
Current DrawdownCurrent decline from peak | -2.78% | -96.56% | +93.78% |
Average DrawdownAverage peak-to-trough decline | -6.96% | -94.46% | +87.50% |
Ulcer IndexDepth and duration of drawdowns from previous peaks | 2.02% | 42.70% | -40.68% |
Volatility
ITOT vs. MSTZ - Volatility Comparison
The current volatility for iShares Core S&P Total U.S. Stock Market ETF (ITOT) is 4.87%, while T-REX 2X Inverse MSTR Daily Target ETF (MSTZ) has a volatility of 46.08%. This indicates that ITOT experiences smaller price fluctuations and is considered to be less risky than MSTZ based on this measure. The chart below showcases a comparison of their rolling one-month volatility.
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Volatility by Period
| ITOT | MSTZ | Difference | |
|---|---|---|---|
Volatility (1M)Calculated over the trailing 1-month period | 4.87% | 46.08% | -41.21% |
Volatility (6M)Calculated over the trailing 6-month period | 10.00% | 129.73% | -119.73% |
Volatility (1Y)Calculated over the trailing 1-year period | 12.77% | 145.84% | -133.07% |
Volatility (5Y)Calculated over the trailing 5-year period, annualized | 17.46% | 170.65% | -153.19% |
Volatility (10Y)Calculated over the trailing 10-year period, annualized | 18.27% | 170.65% | -152.38% |
ITOT vs. MSTZ - Expense Ratio Comparison
ITOT has a 0.03% expense ratio, which is lower than MSTZ's 1.05% expense ratio.
Dividends
ITOT vs. MSTZ - Dividend Comparison
ITOT's dividend yield for the trailing twelve months is around 1.02%, while MSTZ has not paid dividends to shareholders.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
ITOT iShares Core S&P Total U.S. Stock Market ETF | 1.02% | 1.11% | 1.23% | 1.47% | 1.66% | 1.18% | 1.41% | 1.88% | 2.14% | 1.69% | 1.83% | 2.01% |
MSTZ T-REX 2X Inverse MSTR Daily Target ETF | 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
ITOT and MSTZ have a correlation of -0.51, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.
MSTZ has higher volatility (46.08%) compared to ITOT (4.87%). In terms of maximum drawdown, ITOT dropped -55.20% vs MSTZ's -99.38%.
On 1-year performance, MSTZ leads with 279.21% vs 22.95% for ITOT. On fees, ITOT is cheaper at 0.03% per year. On volatility, ITOT has been the lower-risk option at 4.87%. The better choice depends on whether you care most about return, fees, risk, or income.
Over the 1-year period, MSTZ has performed better with a 279.21% return vs 22.95%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.
ITOT is cheaper with a 0.03% expense ratio, compared with 1.05% for MSTZ.
ITOT has the higher dividend yield at 1.02%, compared with 0.00% for MSTZ.
ITOT is categorized as Large Cap Blend Equities, while MSTZ is Inverse Equities. They also come from different issuers: iShares and REX. Their fees differ too: 0.03% for ITOT and 1.05% for MSTZ.
MSTZ currently has the higher Sharpe Ratio (1.93 vs 1.80), 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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