Major Asset Classes February 2022 Risk Profile
James Picerno | Mar 03, 2022 07:13AM ET
The Global Market Index’s (GMI) risk-adjusted performance continues to retreat after peaking in December, based on the trailing 3-year Sharpe ratio, a measure of return adjusted by volatility. The sharp reversal has also dragged down the 10-year rolling Sharpe ratio. Both measures fell in February to their lowest levels in nearly a year for this multi-asset-class benchmark.
As usual, there are specific factors that led to the reversal in GMI’s Sharpe ratio. But the decline isn’t unusual. Sharp spikes in risk-adjusted performance tend to reverse quickly and that playbook is alive and well in 2022.
Meanwhile, GMI’s drawdown continues to slide deeper into the red. After December’s zero reading (marking a new high), GMI’s peak-to-trough decline slumped to -6.8% last month, close to a two-year low.
GMI represents a theoretical benchmark for the "optimal" portfolio. Using standard finance theory as a guide, this portfolio is considered a preferred strategy for the average investor with an infinite time horizon. Those assumptions are, of course, unrealistic in the real world.
Nonetheless, GMI is useful as a baseline to begin research on asset allocation and portfolio design. GMI’s history suggests that this benchmark’s performance is competitive with active asset-allocation strategies overall, especially after adjusting for risk, trading costs and taxes.
For additional perspective, readers can use the risk profile for GMI alongside the current monthly updates on performance and expected return for the benchmark and its components.
The table below presents additional risk metrics for GMI and its underlying asset classes, based on a trailing 10-year window through last month.
Here are brief definitions of each risk metric:
- Volatility: annualized standard deviation of monthly return
- Sharpe ratio: ratio of monthly returns/monthly volatility (risk-free rate is assumed to be zero)
- Sortino ratio: excess performance of downside semi-variance (assuming 0% threshold target)
- Ulcer Index: duration of drawdowns by selecting negative return for each period below the previous peak or high water mark
- Maximum Drawdown: the deepest peak-to-trough decline
- Calmar Ratio: ratio of annualized return/maximum drawdown
- Beta: measure of volatility relative to a benchmark (in this case GMI)
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