The Solaia index – which tracks prices for the ten most recent physical vintages – is up 27.8% year-on-year. It has outperformed the Italy 100 index which is up 15.7% over the same period.

Over the past twelve months the best-performing vintages have been the 2005 and 2006, up 45.8% and 44.2% respectively. The 2004 followed behind with a 29% increase.

Of the eleven most recent physical vintages, the 2013 was the only one to fall in value. Since the wine’s release in September last year, its Market Price has dropped 1.4%.

Last month Solaia 2010 was one of the best performing wines of the Liv-ex 100 index: its Mid Price was up 6.7%.