MLM
Martin Marietta Materials Inc. Materials - Construction Aggregates Investor Relations →
Martin Marietta Materials Inc. (MLM) closed at $690.00 as of 2026-02-02, trading 44.1% above its 200-week moving average of $478.66. The stock moved further from the line this week, up from 36.7% last week. With a 14-week RSI of 73, MLM is in overbought territory.
Over the past 1620 weeks of data, MLM has crossed below its 200-week moving average 20 times. On average, these episodes lasted 20 weeks. Historically, investors who bought MLM at the start of these episodes saw an average one-year return of +23.5%.
With a market cap of $41.6 billion, MLM is a large-cap stock. Free cash flow yield is currently negative, meaning the company is burning cash. Return on equity stands at 12.5%. The stock trades at 4.3x book value.
Over the past 31.2 years, a hypothetical investment of $100 in MLM would have grown to $5495, compared to $2525 for the S&P 500. That represents an annualized return of 13.7% vs 10.9% for the index — confirming MLM as a market-beating investment and the kind of quality company where buying during 200-week moving average touches has historically been rewarded.
Free cash flow has been declining at a -5.5% compound annual rate. A deteriorating cash flow trend warrants extra scrutiny — the stock may be cheap for a reason.
Growth of $100: MLM vs S&P 500
Monthly data normalized to $100 at start. Vertical dashed lines mark 200-week MA touches.
What Happens After MLM Crosses Below the Line?
Across 20 historical episodes, buying MLM when it crossed below its 200-week moving average produced an average return of +23.6% after 12 months (median +20.0%), compared to +9.6% for the S&P 500 over the same periods. 70% of those episodes were profitable after one year. After 24 months, the average return was +33.5% vs +20.2% for the index.
Each line shows $100 invested at the moment MLM crossed below its 200-week MA. Bold blue = stock average. Gray dashed = S&P 500 average over same periods.
Historical Touches
MLM has crossed below its 200-week MA 20 times with an average 1-year return of +23.5% after recovery.
| Crossed Below | Recovered | Weeks | Max Depth | 1-Year Return | Return Since Touch |
|---|---|---|---|---|---|
| Jan 1995 | Apr 1995 | 13 | 10.3% | +16.2% | +5507.3% |
| Jun 1995 | Nov 1995 | 20 | 6.6% | +23.1% | +4995.2% |
| Nov 1995 | Nov 1995 | 1 | 0.8% | +22.1% | +5029.6% |
| Dec 1999 | Dec 1999 | 1 | 2.9% | +23.0% | +2542.0% |
| Feb 2000 | Mar 2000 | 2 | 4.0% | +23.8% | +2492.5% |
| Aug 2000 | Dec 2000 | 18 | 20.0% | +5.0% | +2263.1% |
| Jan 2001 | Feb 2001 | 4 | 6.8% | +10.4% | +2203.4% |
| Mar 2001 | Apr 2001 | 3 | 2.7% | +1.0% | +2131.4% |
| Jul 2001 | Dec 2001 | 22 | 18.9% | -16.9% | +2075.2% |
| Jan 2002 | Oct 2003 | 91 | 35.1% | -28.6% | +1987.1% |
| Jul 2008 | Jul 2008 | 1 | 1.8% | -16.2% | +821.8% |
| Sep 2008 | Dec 2008 | 12 | 35.3% | +5.3% | +867.4% |
| Jan 2009 | Jan 2012 | 160 | 30.9% | -2.3% | +789.4% |
| Apr 2012 | Jul 2012 | 10 | 18.7% | +37.0% | +890.4% |
| Jul 2012 | Sep 2012 | 6 | 5.8% | +32.4% | +884.8% |
| Sep 2018 | Nov 2018 | 7 | 14.8% | +50.2% | +299.8% |
| Dec 2018 | Feb 2019 | 10 | 11.2% | +52.0% | +299.8% |
| Mar 2020 | Jul 2020 | 18 | 27.4% | +75.1% | +261.9% |
| Jul 2020 | Aug 2020 | 1 | 2.4% | +76.8% | +245.3% |
| Aug 2020 | Sep 2020 | 4 | 2.8% | +80.3% | +241.2% |
| Average | 20 | — | +23.5% | — |
Not financial advice. This is an educational tool. Past performance does not guarantee future results. Do your own research before making investment decisions.
Data as of Friday close, 2026-02-02