**GameStop's unsolicited $56 billion cash-and-stock bid for eBay was rejected in May 2026 as "neither credible nor attractive," establishing the core driver behind the 94.5% market-implied probability of no acquisition.** eBay's market capitalization exceeds GameStop's by roughly four times, and doubts persist over financing the cash portion despite a $20 billion TD Securities commitment letter and GameStop's cash holdings, particularly given contingent investment-grade rating requirements that Moody's flagged as credit-negative. GameStop has built a 9.8% stake and reported strong Q2 2026 results with rising collectibles revenue, yet August reports indicated CEO Ryan Cohen may pivot toward a partnership or joint venture with board representation rather than a full takeover. Key near-term catalysts include the October 30, 2026 expiration of GameStop warrants and any further regulatory or shareholder actions, though the significant size disparity and eBay's ongoing turnaround continue to anchor trader consensus.