Asset Allocation
| Position | Category/Sector | Target Weight |
|---|---|---|
BRK-B Berkshire Hathaway Inc. | Financial Services | 50% |
COST Costco Wholesale Corporation | Consumer Defensive | 35% |
DJCO Daily Journal Corporation | Communication Services | 15% |
Find the right asset allocation for 1
Add portfolio to the optimizer to find optimal allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.
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Performance Chart
The chart shows the growth of an initial investment of $10,000 in 1, comparing it to the performance of the S&P 500 index or another benchmark. All prices have been adjusted for splits and dividends. The portfolio is never rebalanced.
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Returns By Period
As of Jun 13, 2026, the 1 returned 11.39% Year-To-Date and 19.57% of annualized return in the last 10 years.
| Position | 1D | 1M | YTD | 6M | 1Y | 3Y* | 5Y* | 10Y* |
|---|---|---|---|---|---|---|---|---|
Benchmark S&P 500 Index | 0.50% | -0.17% | 8.56% | 8.85% | 22.93% | 19.37% | 11.84% | 13.61% |
Portfolio 1 | 0.62% | -3.22% | 11.39% | 9.10% | 0.09% | 23.08% | 19.43% | 19.57% |
| Portfolio components: | ||||||||
BRK-B Berkshire Hathaway Inc. | 0.71% | 0.77% | -2.67% | -2.06% | -0.22% | 13.30% | 11.27% | 13.22% |
COST Costco Wholesale Corporation | 0.68% | -4.91% | 14.24% | 11.38% | -1.48% | 25.12% | 22.12% | 22.27% |
DJCO Daily Journal Corporation | -0.72% | 17.96% | 14.13% | 9.56% | 39.23% | 25.33% | 10.48% | 10.71% |
Monthly Returns
Based on dividend-adjusted daily data since May 9, 1996, 1's average daily return is +0.06%, while the average monthly return is +1.32%. At this rate, an investment would double in approximately 4.4 years.
Historically, 62% of months were positive and 38% were negative. The best month was Dec 2000 with a return of +15.4%, while the worst month was May 2000 at -28.2%. The longest winning streak lasted 9 consecutive months, and the longest losing streak was 5 months.
On a daily basis, 1 closed higher 53% of trading days. The best single day was Mar 15, 2000 with a return of +13.0%, while the worst single day was May 24, 2000 at -13.3%.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 7.42% | 6.08% | -2.13% | 1.71% | -4.64% | 3.00% | 11.39% | ||||||
| 2025 | 4.62% | 7.09% | -7.47% | 3.97% | 3.31% | -4.48% | -4.76% | 2.03% | -1.53% | -2.45% | 1.86% | -4.55% | -3.47% |
| 2024 | 5.17% | 7.05% | -0.51% | -2.17% | 10.85% | 3.88% | -0.74% | 8.47% | -1.10% | -1.47% | 10.92% | -5.48% | 38.79% |
| 2023 | 10.25% | -4.34% | 1.90% | 1.95% | 1.35% | 5.08% | 3.79% | -0.92% | 1.65% | -2.23% | 7.32% | 10.82% | 41.84% |
| 2022 | -8.42% | 2.74% | 9.95% | -8.15% | -9.67% | -0.85% | 12.22% | -4.05% | -8.46% | 7.00% | 7.38% | -12.90% | -16.06% |
| 2021 | -6.57% | -3.14% | 5.29% | 5.50% | 2.61% | 2.86% | 6.37% | 5.13% | -2.19% | 8.64% | 7.22% | 5.26% | 42.29% |
Benchmark Metrics
1 has an annualized alpha of 9.76%, beta of 0.70, and R2 of 0.42 versus S&P 500 Index. Calculated based on daily prices since May 09, 1996.
- This portfolio participates in less of S&P 500 Index's moves in both directions, but captures a larger share of gains (95.22%) than losses (64.59%) - typical of diversified or defensive assets.
- R2 of 0.42 means the benchmark explains less than half of this portfolio's behavior - treat beta with caution or consider switching to a more representative benchmark.
- Alpha
- 9.76%
- Beta
- 0.70
- R²
- 0.42
- Upside Capture
- 95.22%
- Downside Capture
- 64.59%
Expense Ratio
1 has an expense ratio of 0.00%, meaning no management fees are charged. Below, you can find the expense ratios of the portfolio's funds side by side and easily compare their relative costs.
Return for Risk
Risk / Return Rank
1 ranks 5 for risk / return — in the bottom 5% of Portfolios on our site. This means you're taking on significantly more risk than the returns justify. Consider whether the potential upside is worth the volatility, or explore alternatives with better risk / return profiles.
Return / Risk — by metrics
The table below presents risk-adjusted performance metrics for 1 and compares them with S&P 500 Index.
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.
| Portfolio | Benchmark | Difference | |
|---|---|---|---|
| Sharpe ratioReturn per unit of total volatility | 0.01 | 1.86 | -1.86 |
| Sortino ratioReturn per unit of downside risk | 0.12 | 2.53 | -2.41 |
| Omega ratioGain probability vs. loss probability | 1.01 | 1.34 | -0.32 |
| Calmar ratioReturn relative to maximum drawdown | 0.01 | 2.53 | -2.52 |
| Martin ratioReturn relative to average drawdown | 0.02 | 11.37 | -11.35 |
How much return does each position deliver for the risk it carries? Higher values mean better reward for the risk taken.
| Position | Risk / Return Rank | Sharpe ratio | Sortino ratio | Omega ratio | Calmar ratio | Martin ratio |
|---|---|---|---|---|---|---|
BRK-B Berkshire Hathaway Inc. | 39 | -0.02 | 0.08 | 1.01 | -0.02 | -0.05 |
COST Costco Wholesale Corporation | 37 | -0.08 | 0.02 | 1.00 | -0.10 | -0.22 |
DJCO Daily Journal Corporation | 65 | 0.77 | 1.25 | 1.17 | 1.30 | 2.47 |
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Dividends
Dividend yield
1 provided a 0.19% dividend yield over the last twelve months.
| Position | TTM | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Portfolio | 0.19% | 0.21% | 0.17% | 1.01% | 0.27% | 0.19% | 1.18% | 0.30% | 0.38% | 1.68% | 0.38% | 1.42% |
| Portfolio components: | ||||||||||||
BRK-B Berkshire Hathaway Inc. | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
COST Costco Wholesale Corporation | 0.55% | 0.59% | 0.49% | 2.87% | 0.76% | 0.54% | 3.38% | 0.86% | 1.08% | 4.81% | 1.09% | 4.06% |
DJCO Daily Journal Corporation | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% | 0.00% |
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.
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Worst Drawdowns
The table below displays the maximum drawdowns of the 1. 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 1 was 47.45%, occurring on Mar 9, 2009. Recovery took 477 trading sessions.
The current 1 drawdown is 7.63%.
Related event | Drawdown | Fall | Recovery | Underwater |
|---|---|---|---|---|
Financial crisis2007–2009 | -47.45%Mar 2009 | 1y 3mo | 1y 10mo | 3y 1moDec 2007 - Jan 2011 |
2003 bear market2003 | -34.81%Feb 2003 | 2y 9mo | 1y 8mo | 4y 5moMay 2000 - Oct 2004 |
Bear market2022 | -27.49%May 2022 | 1mo 12d | 1y 5mo | 1y 7moApr 2022 - Nov 2023 |
1998 bear market1998 | -26.62%Oct 1998 | 2mo 18d | 2mo 29d | 5mo 17dJul 1998 - Dec 1998 |
1999 bear market1999 | -23.41%Sep 1999 | 5mo 29d | 6mo 4d | 12mo 3dMar 1999 - Mar 2000 |
Volatility
Volatility Chart
The chart below shows the rolling one-month volatility.
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Diversification
Diversification Metrics
Number of Effective Assets
The portfolio contains 3 assets, with an effective number of assets of 2.53, reflecting the diversification based on asset allocation. Your capital is well-distributed across most of your holdings, with only mild concentration in a few names. True diversification also depends on the correlations between assets — check the diversification ratio below.
Diversification Ratio
1Y | 3Y | 5Y | 10Y | All Time | |
|---|---|---|---|---|---|
Diversification Ratio | 1.59 | 1.44 | 1.37 | 1.33 | 1.44 |
The portfolio has a diversification ratio of 1.44, in line with the typical range across portfolios. There's room to improve by adding less correlated assets.
1 correlation to the S&P 500 Index
| Correlation | |
|---|---|
Correlation (1Y) Calculated over the trailing 1-year period | 0.01 |
Correlation (3Y) Calculated over the trailing 3-year period | 0.42 |
Correlation (5Y) Calculated over the trailing 5-year period | 0.57 |
Correlation (10Y) Calculated over the trailing 10-year period | 0.60 |
Correlation (All Time) Calculated using the full available price history since May 9, 1996 | 0.60 |
Benchmark Correlations
Correlation vs. S&P 500 Index. COST has the highest benchmark correlation at 0.53, while DJCO has the lowest at 0.19.
Asset Correlations Table
Find what 1 is missing
See which holdings overlap, where 1 is concentrated, and which low-correlation assets could fill the gaps.
Analyze Diversification