Everyone knows nerdy tech bros can’t be movie star handsome. That must be why, for his latest role as a guy building a new fiber-optic cable line to disrupt the stock exchange, Alexander Skarsgård had to go bald. At least it makes the Swedish actor more plausible to play cousin to Jesse Eisenberg, no offense to Eisenberg. Throw in a blonde Salma Hayek in aviator glasses, and color us intrigued.

In its newly released trailer, “The Hummingbird Project,” written and directed by Canadian filmmaker Kim Nguyen (“Two Lovers and a Bear”), promises high stakes comedy and biting indictments of our financial system. Think “The Big Short” meets “The Social Network,” but maybe not as good as that sounds.

The official synopsis reads: “Cousins from New York, Vincent (Eisenberg) and Anton (Skarsgård) are players in the high-stakes game of High-Frequency Trading, where winning is measured in milliseconds. Their dream? To...