The Charles Schwab Corporation (NYSE:SCHW) is going to acquire online options trading company OptionsXpress for $1 billion in stock. 1.02 shares of Schwab stock will be exchanged for each share of OptionsXpress. This values OptionsXpress at $17.91, which is a 17% premium on the company’s closing stock price on Friday. OptionsXpress will remain as separate brand identities for the time being.