Spurs manager Andre Villas-Boas has made Soldado one of his top targets over the summer but is yet to seal the deal.
The La Liga side are understood to be holding out for £25.8m, a fee that would trigger a release clause in the 28-year-old's contract.
Valencia coach Miroslav Djukic has already admitted he is resigned to losing Soldado though and Spurs remain favourites to land the coveted striker.
Soldado would become Tottenham's third summer signing if he does make the move to White Hart Lane.
Brazilian midfielder Paulinho was the first to arrive after he signed from Corinthians for £17m, while Belgian winger Nacer Chadli arrived from FC Twente for around £7m on 21 July.