A joint buyout proposal from payments processor Stripe and private equity firm Advent International sent PayPal shares surging more than 16% in premarket trading on Wednesday. The bidders offered $60.50 per share, valuing the digital payments pioneer at roughly $53 billion and representing a 28% premium to its previous close. The proposal, submitted earlier this month and backed by approximately $50 billion in committed bank financing, would see Stripe and Advent own PayPal in equal stakes without breaking up the company.

The approach lands at a moment of acute vulnerability for PayPal. Once the dominant online checkout brand, its market capitalisation has collapsed from a pandemic-era peak of about $360 billion in 2021 to as low as $36 billion this year, a decline of more than 40% over the past twelve months. The company has ceded ground to Apple Pay, Google Pay, and a wave of nimble fintech rivals, while investors questioned the pace of its technological modernisation. In March, newly installed CEO Enrique Lores launched a sweeping restructuring, splitting operations into three units—checkout, consumer financial services including Venmo, and payments and crypto—and signalling plans to use artificial intelligence to cut costs.

For Stripe, which builds payments infrastructure for businesses, and Advent, a veteran of large-scale buyouts, the logic of a combination is clear. PayPal’s vast consumer and merchant base would complement Stripe’s back-end processing muscle, creating an entity handling an estimated $3.7 trillion in annual payment volume, or roughly 3% of global GDP. Viewed from financial centres in New York and London, the bid tests whether a legacy platform trading at a deep discount can be acquired and revitalised away from public markets, even as Lores’s turnaround plan remains in its early stages.

PayPal has yet to respond to the offer, and people familiar with the matter caution that talks are preliminary, with no certainty of a deal. The next factual milestone is whether the board decides to engage with the bidders in the coming weeks or opts to continue its independent restructuring effort. The outcome will signal whether one of the internet’s original payments giants remains a standalone public company or becomes the centrepiece of the largest digital-payments consolidation in years.