Average unexercised exercisable options, 2013–2015
| Year | Unexercised exercisable options | Estimated value of unexercised exercisable options (in millions) |
|---|---|---|
| 2013 | 1,072.9 | $27.0 |
| 2014 | 910.2 | $26.6 |
| 2015 | 857.8 | $20.0 |
| Percentage change | ||
| 2013– 2014 | -15.2% | -1.6% |
| 2014– 2015 | -5.8% | -24.6% |
Source: Authors' analysis of data from Compustat's ExecuComp and Bureau of Labor Statistics databases.