Besides Mercury stock, workers were offered just one other equity option, a diversified growth fund.

An Interest rate is similar to an equity option.

The fund also invested in other derivatives such as equity options.

Until now, the Chicago exchange has dominated this lucrative market, trading about 42 percent of equity options.

What's your appetite for risk - do you want engaged grant giving, loans or an equity option?

And in London pit trading of equity options is to move to the small screen.

She began her professional trading career in 1981 as a market maker in equity options.

Even after the rule change, however, volume in most equity options has tended to migrate to one exchange.

However, there also are several key differences between warrants and equity options:

The number of investors trading equity options has risen sharply in recent years.