This article series shows every month a dashboard with aggregate industry metrics in materials. Most of the companies used to calculate these metrics are holdings of the Materials Select Sector SPDR ETF (NYSEARCA:XLB). Therefore, this is also a top-down survey of XLB.

Shortcut

If you are used to this dashboard series or if you are short of time, you can skip the first paragraphs and go to the charts. However, reading everything once is necessary if you want to use the metrics for stock-picking purposes.

Base Metrics

We calculate the median value of five fundamental ratios for each industry: Earnings Yield ("EY"), Sales Yield ("SY"), Free Cash Flow Yield ("FY"), Return on Equity ("ROE"), Gross Margin ("GM"). Our calculation universe includes large companies in the U.S. stock market. The five base metrics are calculated on trailing 12 months. For all of them, higher is better and negative is bad. EY, SY and FY are medians of the inverse of Price/Earnings, Price/Sales and Price/Free Cash Flow. They are better for statistical studies than price-to-something ratios, which are unusable or non-available when "something" is close to zero or negative (for example, companies with negative earnings). We also calculate two momentum metrics for each group: the median monthly return (RetM) and the median annual return (RetY).

We use medians rather than averages because a median splits a set in a good half and a bad half. A capital-weighted average is skewed by extreme values and the largest companies. Our metrics are designed with a stock-picking mindset, not for index investing.

Value and Quality Scores

We calculate historical baselines for all metrics. They are noted respectively EYh, SYh, FYh, ROEh, GMh, and they are calculated as the averages on a look-back period of 11 years. For example, the value of EYh for chemicals in the table below is the 11-year average of the median Earnings Yield in a universe of chemical companies.

We define the Value Score ("VS") as the average difference in % between the three valuation ratios (EY, SY, FY) and their baselines (EYh, SYh, FYh). The same way, the Quality Score ("QS") is the average difference between the two quality ratios (ROE, GM) and their baselines (ROEh, GMh). The formulas are below:

VS =100*((EY-EYh)/EYh+(SY-SYh)/SYh+(FY-FYh)/FYh)/3

QS =100*((ROE-ROEh)/ROEh+(GM-GMh)/GMh)/2

The scores are in percentage points. VS may be interpreted as the percentage of undervaluation or overvaluation relative to the baseline. A positive score points to undervaluation, a negative one to overvaluation (positive is good, negative is bad). This interpretation must be taken with caution: the baseline is an arbitrary reference, not a supposed fair value. The formula assumes that the three valuation metrics are of equal importance, except in energy equipment and oil/gas/fuel, where the Free Cash Flow Yield is ignored to avoid some inconsistencies.

Current data

The next table shows the metrics and scores as of last week's closing. Columns stand for all the data named and defined above.

Value and Quality chart

The next chart plots the Value and Quality Scores by industries (higher is better).

Evolution since last month

The value score has deteriorated for all groups in one month, mostly because of price action.

Momentum

The next chart plots momentum data.

The best-performing S&P 500 stocks in this sector in one month are: Corteva (NYSE:CTVA), International Paper Co. (NYSE:IP), Mosaic Company (NYSE:MOS), Sealed Air Corp. (NYSE:SEE), and WestRock Company (NYSE:WRK).

Dashboard List

The list below was published for Quantitative Risk & Value subscribers several weeks ago based on data available at this time. These stocks were in the good half among their peers for three valuation ratios and ranked on higher return on equity. This is not investment advice. Do your own research before buying.

Interpretation

Construction materials and mining/metals are significantly undervalued. Moreover, construction materials is also above the quality historical baseline. Packaging is fairly priced and close below the quality baseline. Chemicals are overvalued by about 19% and below the quality baseline.

We use the table above to calculate Value and Quality Scores. It may also be used in a stock-picking process to check how companies stand among their peers. For example, the EY column tells that a chemical company with an Earnings Yield above 0.0299 (or price/earnings below 33.44) is in the better half of the industry regarding this metric. A Dashboard List is sent every month to Quantitative Risk & Value subscribers with companies standing in the better half among their peers regarding the three valuation metrics at the same time.

Disclosure: I/we have no positions in any stocks mentioned, and no plans to initiate any positions within the next 72 hours. I wrote this article myself, and it expresses my own opinions. I am not receiving compensation for it (other than from Seeking Alpha). I have no business relationship with any company whose stock is mentioned in this article.