What happened Shares of DocuSign (NASDAQ: DOCU) jumped higher on Tuesday, gaining as much 5.7% earlier in the session, though the stock ended the trading day up 4.1%. The e-signature stock followed the broader market higher as a wide cross-section of stocks produced gains. There wasn't any company-specific news that drove DocuSign higher, but some activity in the options market points to bullish sentiment for the growth stock's future. Image source: Getty Images. So what Investors checking all the usual suspects -- press releases, regulatory filings with the Securities and Exchange Commission, or even bullish analyst reports -- likely came up empty. There didn't appear to be an obvious catalyst for DocuSign's move higher. A number of internet sleuths suggested an unusual amount of options activity could be the culprit. Call options are financial contracts that give investors the option (but not the obligation) to buy a stock at a pre-determined price. Investors who buy these call options profit when the value of the underlying stock increases. Reports suggest that call options expiring on Friday, June 23 were up more than 10 times their normal volume today on the Robinhood trading platform. Traders who follow this activity may have taken this as a bullish cue that investors are banking on DocuSign stock gaining from here. Now what DocuSign is the undisputed leader in the e-signature space, controlling an estimated 70% of the market. That's just the beginning of the company's opportunity, as the DocuSign Agreement Cloud helps companies manage the entire lifecycle of contracts and agreements, making it a natural extension of the company's cash cow. Short-term movements based on options activity have little to do with the long-term investing thesis. DocuSign investors should keep their eyes set firmly on the future. 10 stocks we like better than DocuSignWhen our award-winning analyst team has a stock tip, it can pay to listen. After all, the newsletter they have run for over a decade, Motley Fool Stock Advisor, has tripled the market.* They just revealed what they believe are the ten best stocks for investors to buy right now... and DocuSign wasn't one of them! That's right -- they think these 10 stocks are even better buys. See the 10 stocks *Stock Advisor returns as of June 7, 2021 Danny Vena owns shares of DocuSign. The Motley Fool owns shares of and recommends DocuSign. The Motley Fool has a disclosure policy.Source