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Wall Street is placing its bets on the biggest media merger in a generation. Warner Bros. Discovery shares have climbed nearly 7.5% over eight trading days, pushing the merger arbitrage spread down to roughly $3 per share, the narrowest gap since March. That’s the market’s way of saying it thinks Paramount Skydance’s $110.9 billion acquisition will cross the finish line, twelve angry state attorneys general notwithstanding.
The spread had ballooned past $5 per share after a coalition of states sued to block the deal in July. Its rapid compression tells a clear story: traders are growing more comfortable that the legal headwinds won’t sink this transaction.
The deal so far
Paramount Skydance announced its bid for Warner Bros. Discovery on February 27, 2026, offering $31 per share in cash. The price tag reflected a competitive process that at one point drew interest from Netflix, though the streaming giant ultimately stepped away.
Federal regulators moved surprisingly fast. The US Department of Justice granted antitrust clearance on June 12, and UK regulators followed with their own approval on August 6. For a deal of this magnitude, clearing two major regulatory hurdles within six months of announcement is a relatively brisk pace.
Then came the plot twist. On July 13, twelve states, including heavyweights California and New York, filed a lawsuit arguing the merger would harm competition. A federal judge issued a temporary restraining order on July 20, effectively hitting the pause button.
Both parties responded by extending the closing deadline to June 1, 2027, giving the litigation room to play out without triggering deal-termination clauses. An antitrust trial is currently scheduled for March 2027.
Why traders are shrugging off the lawsuit
State-level antitrust challenges to mergers that have already received federal clearance face a steep uphill climb. The DOJ’s decision not to block the deal effectively gave it the most important regulatory green light available, and traders appear to view the state lawsuit as a speed bump rather than a roadblock.
Paramount has defended the merger as pro-competitive, arguing that combining two legacy media companies is the only way to build a viable challenger to streaming-native platforms.
The math supports the confidence. At the current trading price roughly $3 below the $31 offer, investors buying WBD shares are locking in a roughly 10% return if the deal closes on schedule. The tightening spread suggests most of them do.
What the combined company would look like
If completed, this merger would create a media conglomerate with projected annual revenues of approximately $70 billion. The combined entity would house major film studios from both sides, HBO Max, Paramount+, and a sprawling collection of cable networks.
The March 2027 trial date is the next major inflection point. If the states fail to secure an injunction or the court rules the merger can proceed, expect WBD shares to snap toward the $31 offer price almost immediately.
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