Morgan Stanley still sees substantial upside in Tesla, but its new lead analyst is no longer willing to give the company full credit for a future it hasn’t demonstrated. Analyst Andrew Percoco kept an Equal Weight rating and $415 price target, roughly 26% above the stock’s recent price, while laying out the evidence Tesla needs to produce before its robotaxi and Optimus ambitions justify something more bullish. 

The change in tone matters because Percoco recently took over Tesla coverage from Adam Jonas, one of Wall Street’s most prominent advocates for valuing Tesla as something much larger than an automaker. Percoco isn’t rejecting that thesis. He’s putting milestones around it.

For Optimus, Morgan Stanley wants to see a production-ready robot demonstrated publicly rather than under controlled conditions, evidence that the machines can operate inside Tesla factories without constant human supervision, credible manufacturing costs, outside customer orders and a realistic path toward mass production. Robotaxis face a similar test: Tesla needs to demonstrate that the service can expand geographically while operating safely and economically at scale. 

That is a demanding list because Tesla’s valuation already depends heavily on businesses that aren’t yet contributing anything close to the company’s automotive operations. Elon Musk has spent years arguing that autonomy and humanoid robots could eventually become Tesla’s most valuable businesses. Morgan Stanley is effectively saying that the next phase of the investment case requires those promises to start becoming observable commercial facts.

The distinction is especially important for Optimus. A compelling robot demonstration establishes technological possibility, but it doesn’t establish manufacturing economics, customer demand or the ability to deploy thousands of machines outside carefully managed environments. Tesla learned how difficult that progression can be with automobiles, where moving from prototype to mass production nearly broke the company.

Percoco’s $415 target shows Morgan Stanley hasn’t abandoned the possibility that Tesla makes the transition. Equal Weight isn’t a bearish verdict, and the target still leaves considerable room above the current share price. But the burden of proof has shifted.

For years, Tesla investors could reasonably argue about how much future autonomy and robotics might eventually be worth. Morgan Stanley’s new message is that the market is reaching the point where imagination needs company.

Tesla doesn’t have to stop promising an extraordinary future. It has to start showing one.