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TransferFeed valuation based on market analysis.
Recent reports from August 2026 indicate Celtic has reached an agreement for a fee of approximately €11 million, potentially structured as an initial €7 million rising to over €10.5 million. In the same month, Marseille reportedly bid €8.5 million plus €1.5 million in bonuses. Throughout the summer, his active release clause was consistently cited at €12 million (or £10 million). Earlier in July 2026, Celtic's initial bid of around €4 million was reportedly rejected. A rejected offer from Trabzonspor in December 2025 was reported to be worth €6 million plus €2 million in add-ons. He was transferred from Villarreal to Real Oviedo in August 2024 for a fee of €1.5 million.
Our valuation is driven by multiple, consistent reports in August 2026 of an agreement between Real Oviedo and Celtic for Haissem Hassan for a total fee of approximately €11 million. This is supported by a reported €10 million bid from Marseille and is just below the player's active €12 million release clause. The fee is tempered by his expiring contract status, which gives the buying club leverage in negotiations despite his strong performances and his previous transfer for €1.5 million in 2024.
Rumored destinations and interested clubs.
Krépin Diatta is the closest match according to our proprietary analysis of transfer rumours and club connections.
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