FC Barcelona, Manchester City and Chelsea have been the biggest spenders in this transfer window so far, but who have been the most expensive signings? Find out here!
Scroll through the gallery above to see the 10 most expensive transfers so far in this window, according to Transfermarkt.
Chelsea tops the spending ranking after splashing out €247.2 million (R4.8 billion) on new arrivals, while City follow with €156.8 million (R3 billion).
Spanish giants Barcelona complete the podium with an outlay of €124 million (R2.4 billion) three days before the window for Europe's major leagues closes on Monday.
The Blues have made the costliest signing so far after buying Kai Havertz for €80 million (R1.56 billion) from Bayer 04 Leverkusen.
The attacking midfielder is one three Blues transfers that are among the most expensive deals in this window, while Manchester City have two arrivals in the top 10.
The Citizens' recent purchase of Ruben Dias from Benfica is their most expensive signing in this window after Pep Guardiola's side transferred €68 million (R1.33 billion) to the Portuguese side for the defender.
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Overall, Guardiola has now spent an incredible €932 million (R18.2 billion) since arriving at the Etihad Stadium in 2016.
Meanwhile, new Napoli star Victor Osimhen – the only African in the top 10 – was involved in one of the three costliest deals of the window thus far window. You find the complete list in the gallery above!