The principle of only buying securities when their market price is significantly below their intrinsic value, providing a cushion against errors in calculation or unforeseen developments. First articulated by Benjamin Graham.
| Year | Relevance |
|---|---|
| 1957 | first |
| 1958 | mention |
| 1959 | key |
| 1961 | mention |
| 1962 | key |
| 1963 | mention |
| 1964 | mention |
| 1966 | mention |
| 1987 | key |
| 2008 | mention |