Top five leagues 

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The transfer window slammed shut on Monday night for the majority of top leagues after another frantic deadline day. It was a record deadline day with €767 million spent by clubs, which eclipsed the previous record of €518m from the 2023/24 season. The biggest deal on deadline day was Alexander Isak completing his protracted move to Liverpool for an English transfer record fee of €145m.

It was another hectic summer window with clubs breaking the record for total spend. Over €10 billion was invested in new players – currently €10.32b – which eclipsed the record of €8.86b from the 2023/24 season. While the window has closed for the top five leagues, the transfer window remains open in some nations like Turkiyie and Saudi Arabia. Transfermarkt’s famed market values were established in 2004 to provide an indication of how much players are worth on an open market. Using those figures, we’ve analysed which clubs gained the most market value across the summer transfer window.

Which clubs gained the most market value across the transfer window?

Firstly, we’ve categorised the summer transfer window as from June 1st to September 2nd, to include the temporary window for the Club World Cup. Liverpool’s squad increased by €254m across the transfer window, which was the most of any top five league club. Unsurprisingly, due to the financial power of English clubs, six Premier League clubs feature in the top ten with Arsenal and Chelsea completing the top three.

PSG rank fourth with the valuation of the Champions League holders’ squad increasing by €153m. This is mainly due to the Ligue 1 market value update landing on June 3rd. Napoli complete the top five with an increase of €141m after winning the Serie A title last season. Marseille are the only Ligue 1 club to feature in the top ten, with Atlético Madrid the only representative from LaLiga. There’s no Bundesliga clubs in the top ten list but that’s mainly due to the top German clubs cashing in on their prized assets.