The Championship's basement battle sees 22nd-placed Portsmouth host 17th-placed Charlton in a crucial fixture at the end of the year. With just five points separating the sides, this is a genuine six-pointer, but the form guide and venue statistics paint a compelling picture for the home side. Portsmouth's recent results show clear signs of improvement. They are unbeaten in three, with draws against QPR (1-1) and Derby (1-1) preceding a vital 2-1 home win over Blackburn. Their home form is the foundation of this resilience, boasting a 40% win rate from their last five games at their own ground, where they average 1.20 goals scored and concede just 0.80. Victories over Millwall (3-1) and Blackburn demonstrate they can get the job done against teams around them. The underlying numbers support this: at home, they average 14.8 shots and 53.4% possession, indicating they are able to control games and create chances. Charlton, in contrast, are dreadful travellers. Their last five away matches read like a horror story: four defeats and one draw, with a pathetic 0% win rate. They've scored a mere 0.40 goals per game on the road while conceding 1.80. Their recent 1-0 loss to bottom-side Norwich and a 3-0 thumping at Stoke City highlight their vulnerability away from home. While they managed a 1-0 home win over Oxford United recently, that result does little to inspire confidence for this trip. The head-to-head history is the one major stat that favours the visitors, with Charlton winning four of the eight encounters and Portsmouth yet to record a home win in this fixture. However, the most recent meeting just a few weeks ago ended in a 0-0 stalemate, suggesting the dynamic may be shifting. Furthermore, past results can be misleading when current form is so starkly divergent. From a betting perspective, the market offers Portsmouth at 2.47 for the win. Given their superior home metrics and Charlton's chronic away woes, I believe the true probability of a home victory is closer to 48% than the implied 40.5% from the odds. This represents a clear value opportunity. The goal markets are less enticing; the data points to a relatively tight affair. Portsmouth's solid home defence against Charlton's impotent away attack makes 'Both Teams to Score - No' a plausible secondary angle, but the primary value lies with the home side securing three vital points. **Key Points:** * Portsmouth are unbeaten in three (W1 D2) and have lost just once in their last five home games. * Charlton have failed to win any of their last five away matches (D1 L4), scoring just 0.40 goals per game on the road. * Head-to-head history favours Charlton, but the most recent clash ended 0-0. * Portsmouth average 1.20 goals scored and 0.80 conceded at home, compared to Charlton's 0.40 scored and 1.80 conceded away. * The home side generates significantly more shots (14.8 vs 6.8) and possession (53.4% vs 37.0%) in home/away splits. **Summary:** All the recent form and performance data points towards a Portsmouth win. They are improving, strong at home, and facing a side that cannot buy a result on their travels. While the historical record gives pause, the current trajectories are too compelling to ignore. At odds of 2.47, backing a Portsmouth victory offers significant value.