Skewness in asset returns is a perplexing phenomenon and evokes totally different habits from buyers. Some present a choice for shares with vital proper skewness, which very like enjoying the lottery, hit the jackpot each on occasion and ship outsized returns. Different buyers attempt to avoid such volatility and go for shares that haven’t any skewness and even display left skewness.
However how does skewness in returns relate to different components in asset pricing? Would possibly buyers be betting on specific components exactly as a result of they need lottery-like skewness of their returns?
To reply these questions, we constructed cross-sectional development and worth portfolios and examined the distribution of month-to-month returns over five-year durations. From an investing universe of all of the equities traded on the NYSE and NASDAQ since 1975, we created our development and worth portfolios out of the quintile of shares with the very best and lowest P/E ratios, respectively.Â
Our development portfolio exhibited extra proper skewness in its returns, on common, than our price portfolio did. This held true over 6 of the ten time durations.
Progress Shares: Month-to-month Returns
| Imply | Median | Volatility | Skewness | |
| 1975 to 1980 | 3.02% | 0.78% | 53.24% | 8.92 |
| 1980 to 1985 | 1.33% | 0.02% | 44.26% | 1.10 |
| 1985 to 1990 | 2.04% | 0.85% | 55.99% | 20.44 |
| 1990 to 1995 | 1.88% | 0.38% | 59.80% | 10.51 |
| 1995 to 2000 | 3.44% | 1.44% | 67.22% | 8.99 |
| 2000 to 2005 | 1.43% | 0.01% | 71.05% | 2.54 |
| 2005 to 2010 | 0.71% | 0.02% | 48.44% | 2.14 |
| 2010 to 2015 | 1.50% | 0.90% | 41.30% | 7.30 |
| 2015 to 2020 | 6.94% | 0.57% | 50.22% | 9.97 |
| 2020 to 2022 | 1.22% | 0.28% | 59.21% | 5.10 |
| Common | 2.35% | 0.52% | 55.07% | 7.70 |
Worth Shares: Month-to-month Returns
| Imply | Median | Volatility | Skewness | |
| 1975 to 1980 | 2.44% | 0.00% | 47.26% | 2.07 |
| 1980 to 1985 | 1.66% | 0.01% | 44.25% | 1.94 |
| 1985 to 1990 | 1.26% | 0.02% | 48.23% | 14.73 |
| 1990 to 1995 | 1.26% | 1.02% | 55.05% | 2.55 |
| 1995 to 2000 | 1.23% | 0.00% | 52.13% | 5.62 |
| 2000 to 2005 | 2.43% | 1.15% | 18.08% | 9.31 |
| 2005 to 2010 | 0.68% | 0.00% | 48.75% | 2.24 |
| 2010 to 2015 | 1.70% | 1.02% | 38.59% | 1.85 |
| 2015 to 2020 | 0.86% | 0.56% | 36.92% | 1.45 |
| 2020 to 2022 | 1.38% | 0.53% | 82.10% | 9.30 |
| Common | 1.49% | 0.43% | 47.13% | 5.10 |
So, what can we glean from these outcomes? Our principle is that skewness tends to maneuver primarily based on investor preferences. That’s, when a selected issue is en vogue, skewness considerably will increase whereas it’s in vogue. As an example, development shares had been all the fad because the dot-com bubble inflated from 1995 to 2000, and so they demonstrated vital skewness whereas worth shares confirmed a definite lack of it.
Progress Shares: Month-to-month Returns, 1995 to 2000
Progress’s recognition took off once more within the 2010 to 2020 interval, whereas worth underperformed and once more confirmed a scarcity of skewness in returns.
Worth Shares: Month-to-month Returns, 2010 to 2015
Now, these outcomes don’t inform us which path the affiliation goes, solely that an affiliation exists. The info recommend to us that when a selected asset pricing type is standard amongst buyers, returns for that type exhibit better skewness.
In sum, buyers in development shares could also be pursuing lottery-like payouts, particularly when such shares are in type.
For those who appreciated this submit, don’t neglect to subscribe to the Enterprising Investor.
All posts are the opinion of the writer. As such, they shouldn’t be construed as funding recommendation, nor do the opinions expressed essentially replicate the views of CFA Institute or the writer’s employer.
Picture credit score: ©Getty Pictures/piotr_malczyk
Skilled Studying for CFA Institute Members
CFA Institute members are empowered to self-determine and self-report skilled studying (PL) credit earned, together with content material on Enterprising Investor. Members can document credit simply utilizing their on-line PL tracker.
