90-10 rule
Asset Allocation
| Position | Category/Sector | Target Weight |
|---|---|---|
BIL SPDR Barclays 1-3 Month T-Bill ETF | Government Bonds | 10% |
VOO Vanguard S&P 500 ETF | Large Cap Growth Equities | 90% |
Performance
Performance Chart
Loading data...
The earliest data available for this chart is Sep 9, 2010, corresponding to the inception date of VOO
Returns By Period
As of May 16, 2025, the 90-10 rule returned 1.16% Year-To-Date and 11.75% of annualized return in the last 10 years.
| YTD | 1M | 6M | 1Y | 5Y* | 10Y* | |
|---|---|---|---|---|---|---|
^GSPC S&P 500 | 0.60% | 9.64% | -0.54% | 11.47% | 15.67% | 10.79% |
| 90-10 rule | 1.16% | 8.87% | 0.38% | 12.17% | 15.99% | 11.75% |
| Portfolio components: | ||||||
BIL SPDR Barclays 1-3 Month T-Bill ETF | 1.52% | 0.32% | 2.13% | 4.75% | 2.58% | 1.78% |
VOO Vanguard S&P 500 ETF | 1.08% | 9.85% | 0.15% | 12.97% | 17.43% | 12.77% |
Monthly Returns
The table below presents the monthly returns of 90-10 rule, with color gradation from worst to best to easily spot seasonal factors. Returns are adjusted for dividends.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | 2.46% | -1.11% | -5.01% | -0.70% | 5.84% | 1.16% | |||||||
| 2024 | 1.49% | 4.73% | 3.01% | -3.56% | 4.55% | 3.25% | 1.09% | 2.20% | 2.00% | -0.81% | 5.33% | -2.07% | 22.89% |
| 2023 | 5.69% | -2.23% | 3.38% | 1.47% | 0.47% | 5.91% | 3.00% | -1.42% | -4.24% | -1.91% | 8.28% | 4.19% | 24.10% |
| 2022 | -4.72% | -2.67% | 3.38% | -7.89% | 0.23% | -7.36% | 8.28% | -3.73% | -8.29% | 7.31% | 5.01% | -5.18% | -16.24% |
| 2021 | -0.92% | 2.49% | 4.12% | 4.76% | 0.60% | 2.04% | 2.20% | 2.66% | -4.22% | 6.33% | -0.67% | 4.13% | 25.68% |
| 2020 | -0.02% | -7.28% | -11.10% | 11.49% | 4.30% | 1.66% | 5.30% | 6.32% | -3.43% | -2.29% | 9.83% | 3.39% | 16.87% |
| 2019 | 7.15% | 2.97% | 1.76% | 3.65% | -5.72% | 6.29% | 1.33% | -1.46% | 1.79% | 1.98% | 3.28% | 2.70% | 28.22% |
| 2018 | 5.04% | -3.36% | -2.21% | 0.32% | 2.19% | 0.70% | 3.22% | 2.92% | 0.54% | -6.14% | 1.70% | -7.89% | -3.75% |
| 2017 | 1.61% | 3.50% | 0.12% | 0.94% | 1.27% | 0.58% | 1.86% | 0.27% | 1.85% | 2.10% | 2.76% | 1.17% | 19.53% |
| 2016 | -4.41% | -0.19% | 6.15% | 0.32% | 1.58% | 0.29% | 3.32% | 0.11% | 0.03% | -1.61% | 3.35% | 1.87% | 10.92% |
| 2015 | -2.58% | 5.00% | -1.42% | 0.90% | 1.12% | -1.75% | 1.96% | -5.54% | -2.20% | 7.62% | 0.39% | -1.57% | 1.25% |
| 2014 | -3.18% | 4.10% | 0.79% | 0.65% | 2.07% | 1.89% | -1.24% | 3.57% | -1.25% | 2.16% | 2.49% | -0.27% | 12.15% |
Expense Ratio
90-10 rule has an expense ratio of 0.04%, which is considered low. Below, you can find the expense ratios of the portfolio's funds side by side and easily compare their relative costs.
Risk-Adjusted Performance
Risk-Adjusted Performance Rank
The current rank of 90-10 rule is 51, indicating average performance compared to other portfolios on our website. Here’s a breakdown of how it compares using common performance measures.
Risk-Adjusted Performance Indicators
This table presents a comparison of risk-adjusted performance metrics for positions. 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.
| Sharpe ratio | Sortino ratio | Omega ratio | Calmar ratio | Martin ratio | |
|---|---|---|---|---|---|
BIL SPDR Barclays 1-3 Month T-Bill ETF | 20.66 | 246.60 | 141.10 | 435.17 | 4,006.83 |
VOO Vanguard S&P 500 ETF | 0.67 | 1.19 | 1.17 | 0.80 | 3.05 |
Loading data...
Dividends
Dividend yield
90-10 rule provided a 1.63% dividend yield over the last twelve months.
| TTM | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Portfolio | 1.63% | 1.62% | 1.80% | 1.66% | 1.12% | 1.42% | 1.90% | 2.02% | 1.67% | 1.82% | 1.89% | 1.67% |
| Portfolio components: | ||||||||||||
BIL SPDR Barclays 1-3 Month T-Bill ETF | 4.69% | 5.03% | 4.92% | 1.35% | 0.00% | 0.30% | 2.05% | 1.66% | 0.68% | 0.07% | 0.00% | 0.00% |
VOO Vanguard S&P 500 ETF | 1.28% | 1.24% | 1.46% | 1.69% | 1.25% | 1.54% | 1.88% | 2.06% | 1.78% | 2.02% | 2.10% | 1.85% |
Drawdowns
Drawdowns Chart
The Drawdowns chart displays portfolio losses from any high point along the way. Drawdowns are calculated considering price movements and all distributions paid, if any.
Loading data...
Worst Drawdowns
The table below displays the maximum drawdowns of the 90-10 rule. A maximum drawdown is a measure of risk, indicating the largest reduction in portfolio value due to a series of losing trades.
The maximum drawdown for the 90-10 rule was 30.72%, occurring on Mar 23, 2020. Recovery took 95 trading sessions.
The current 90-10 rule drawdown is 2.92%.
Depth | Start | To Bottom | Bottom | To Recover | End | Total |
|---|---|---|---|---|---|---|
| -30.72% | Feb 20, 2020 | 23 | Mar 23, 2020 | 95 | Aug 6, 2020 | 118 |
| -22.18% | Jan 4, 2022 | 195 | Oct 12, 2022 | 292 | Dec 11, 2023 | 487 |
| -17.49% | Sep 21, 2018 | 65 | Dec 24, 2018 | 70 | Apr 5, 2019 | 135 |
| -16.99% | May 2, 2011 | 108 | Oct 3, 2011 | 85 | Feb 3, 2012 | 193 |
| -16.88% | Feb 20, 2025 | 34 | Apr 8, 2025 | — | — | — |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
Loading data...
Diversification
Diversification Metrics
Number of Effective Assets
The portfolio contains 2 assets, with an effective number of assets of 1.22, reflecting the diversification based on asset allocation. This number of effective assets suggests a highly concentrated portfolio, where a few assets dominate the allocation, potentially increasing the portfolio's risk due to lack of diversification.
Asset Correlations Table
| ^GSPC | BIL | VOO | Portfolio | |
|---|---|---|---|---|
| ^GSPC | 1.00 | -0.01 | 1.00 | 1.00 |
| BIL | -0.01 | 1.00 | -0.01 | -0.01 |
| VOO | 1.00 | -0.01 | 1.00 | 1.00 |
| Portfolio | 1.00 | -0.01 | 1.00 | 1.00 |