Emile Warnsteker | Bloomberg | Getty Images
Tesla Motors Inc. Model S at the company's store at the Short Hills Mall in Short Hills, New Jersey.
Wall Street research firm Cowen is located at Tesla from $ 200 to $ 180 on Friday, saying data suggests deliveries during the quarter, even with Tesla's "typical end of quarter frantic push."
The company also said it would deliver to outstrip deliveries by about 10,000 units in the first three months of 2019.  Osborne expects the excess inventory to be a drain on the company's cash, and that a shortfall in deliveries could indicate customers are losing interest in the car.
"Management wants to attribute the likely delivery to vehicles in transit to Europe and." China, but we believe it is a factor, "Osborne said.