In two of the past three campaigns, the Blues have led the way on December 25 – only to fall away over the second half of the campaign.
But what does history tell us about Pompey’s league position – and where they finish come the season’s end?
We’ve delved into the record books to look at where the team’s league position now, where they finished and what patterns are established.
And if history is anything to go by, Danny Cowley’s side will need to go against the stats to improve over the coming months.
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5. 10/11 - 17th
Points: 28 Record: W8, D4, L8 End of season position: 16th (Photo by Tom Dulat/Getty Images) Photo: Tom Dulat
6. 11/12 - 17th
Points: 27 Record: W7, D6, L8 End of season position: 22nd (Photo by Ben Hoskins/Getty Images) Photo: Ben Hoskins
7. 12/13 - 21st
Points: 21 Record: W6, D5, L11 End of season position: 24th (Photo by Mike Hewitt/Getty Images) Photo: Mike Hewitt
8. 13/14 - 20th
Points: 22 Record: W5, D7, L9 End of season position: 13th (Photo by Pete Norton/Getty Images) Photo: Pete Norton