Matt's When Christmas Comes Around sold more than any other song over the past seven days, which is impressive given the song has only been out since Sunday.
Despite the disadvantage, Matt sailed to the top of the sales charts this evening.
However streaming figures meant that Matt slipped to Number 3 on the Official combined chart with Clean Bandit's Rockabye spending a sixth week on top.
Louis Tomlinson's Just Hold On also sold more than Clean Bandit but charted at Number 2 once streaming figures were included.
Under current chart rules, 100 streams on services like Apple Music and Spotify is equal to one 'sale'.
Despite actually selling more copies, Louis and Matt were left 14,000 'combined sales' behind the leaders (via Official Charts Company).
Still, Matt's third place debut is up on Louisa Johnson's Number 9 placing last year.
The race is now on for Christmas Number 1 with Matt a prime contender.
At the time of writing he remains on top on iTunes but as this week showed, it'll be streaming figures that may change everything.
It's not just Clean Bandit that Matt will have to overcome either, with a number of rival charity singles plus novelty campaigns hoping to beat him to the top spot.
To date, Louisa is the only X Factor winner to have not reached Number 1 with their debut single.
The official Christmas Number 1 will be revealed next Friday evening (December 23).