Will GameStop acquire eBay?

Platform comparison

Market context

GameStop has already made a formal, non-binding proposal to buy eBay, but eBay rejected it and described the bid as “neither credible nor attractive”, which is why the market is still pricing a low-single-digit-to-low-teens chance rather than treating a deal as the base case.[1][15] The current crowd-implied probability of 13% YES is close to Polymarket’s earlier 13% reading after the rejection, while CNBC reported Kalshi at 26% and Polymarket at 15% when the contract launched, showing a modest cross-platform gap rather than a broad consensus breakout.[3][15] Analyst commentary has also been sceptical, pointing to weak strategic overlap and financing concerns for a roughly $56 billion transaction.[4][5]

The historical frame is that hostile or unsolicited deals can linger for months without moving far, especially when the target board has already rejected the approach and the buyer is much smaller than the target.[2][14][15] For traders, the key catalysts are any new GameStop or eBay announcements, changes in stake disclosures or financing terms, and whether Ryan Cohen escalates from a board-level proposal to a shareholder campaign.[1][5][19] Reuters reported in late June that GameStop pledged to keep pursuing the takeover despite the rejection, and a mid-July SEC filing showed GameStop owned nearly 10% of eBay, which keeps the story live but still short of an agreed transaction.[2][19] On a sportsbook-versus-market comparison, there is no meaningful public betting consensus here; the actionable signal is the persistence of the bid, not an imminent deal timetable.[3][15]

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track Will GameStop acquire eBay? across the five venues with material prediction-market liquidity. The probability shown is the live Polymarket mid; the comparison rows summarise how each venue treats the underlying contract — fees, KYC thresholds, settlement currency, deposit options. The highlighted row marks the cheapest route into Polymarket's order book.

Resolution & payout

At resolution the UMA oracle takes over: a proposer posts the outcome with a bond, any token holder can dispute within two hours. Without dispute the result is accepted and the smart contract distributes USDC instantly.

On Kalshi (CFTC-regulated) resolution runs through their in-house clearing engine in USD. Betfair Exchange settles after match end in the account's local currency. Manifold pays no cash — only its in-platform "mana" currency.

FAQ

How does resolution work?

Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.

Do I need to KYC for this market?

On Polymarket directly, no — it's wallet-based. Intermediary brokers like PolyGram trigger KYC only above $1,500 of lifetime trading volume; under that you trade pseudonymously with a single wallet address.

How reliable are the quoted odds?

The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.