# If you had invested $1,000 in Merck & Company Inc (MRK)

Source: https://www.equity-rank.com/if-you-invested/MRK

10 years ago (Mon, Nov 7, 2016), $1,000 in MRK grew to **$3,475** by Fri, Nov 6, 2026 with dividends reinvested ($2,561 on price alone). The same $1,000 in SPY grew to $4,042. Along the way MRK fell as much as -43.5% from a high. Past results do not tell you what happens next.

| Invested | MRK, dividends reinvested | Per year | Worst fall | SPY | SPY per year |
| --- | --- | --- | --- | --- | --- |
| 1 year ago | $1,761 | +76.2% | -11.4% | $1,109 | +10.9% |
| 3 years ago | $1,541 | +15.5% | -43.5% | $1,750 | +20.5% |
| 5 years ago | $2,067 | +15.7% | -43.5% | $1,677 | +10.9% |
| 10 years ago | $3,475 | +13.3% | -43.5% | $4,042 | +15.0% |

Today: model fair value $136.50 against a $146.73 price (gap -7.0%).

Split-adjusted closes; 40 cash dividends reinvested on their ex-dividend dates, before taxes and costs. SPY on its total-return price. Data as of Fri, Nov 6, 2026.

[Full MRK valuation](https://www.equity-rank.com/stocks/MRK) · [Other companies](https://www.equity-rank.com/if-you-invested)

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Fair value is a model estimate under stated assumptions — not a price target, not a prediction, and not a recommendation. This page is research information, not investment advice. Equity Rank is not a registered investment adviser.