Portsmouth vs Charlton – Pre-Match Analysis

Poisson model rates Portsmouth at 52%, yet other data sources diverge — this Portsmouth vs Charlton fixture contains genuine analytical tension.

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Analysis

Charlton make the trip to Fratton Park to face Portsmouth in Championship, Regular Season - 31. The match kicks off on Saturday 13 February 2027 at 15:00 UTC.

Current Form

Portsmouth's overall Championship record this term: 4W 2D 4L from 10 games (1.40 PPG). Last five: D D L W W. They are averaging 1.30 goals per game and conceding 1.30 — a modest attacking output that tempers optimism on the Over 2.5 market. 3 clean sheets from 10 outings provides some defensive foundation. This season is still relatively young for Portsmouth, so this record blends games from this season and last.

In front of their own supporters this season, Portsmouth have posted 4W 3D 3L at Fratton Park — 1.50 PPG. At home they are averaging 1.40 goals scored and 1.30 conceded per game.

Charlton (all games): 2W 5D 3L across 10 Championship outings this term — 1.10 points per game. Last five: D L D D L. Their scoring rate of 0.80 per game is modest, conceding 1.40 — not a side to back heavily on the Over 2.5 from their form alone. 3 clean sheets from 10 outings suggests some defensive organisation. This season is still relatively young for Charlton, so this record blends games from this season and last.

Charlton's form when playing away from home: 1W 5D 4L across 10 road games this term (0.80 PPG). Away from home they average 1.00 goals scored and 1.90 conceded per game. Both teams have scored in 80% of their away matches — a high BTTS rate on the road that directly informs this fixture.

Both sides are running at similar form levels — 1.40 PPG for Portsmouth against 1.10 for Charlton. There is no clear form edge to exploit here; other signals need to take the lead.

H2H Analysis

The head-to-head record is closely matched — Portsmouth lead 2W to 3W over the last 9 encounters, with 4 draws, though neither side has established a commanding advantage.

The 9 previous meetings have averaged 2.8 goals per game — a neutral rate that provides no strong lean on the goals market from the H2H alone. The most recent clash, on 12 Sep 2026, ended 0–0 with a draw.

The head-to-head offers no strong directional steer in either the result or goals markets. Form, the predictive model and current market pricing should carry more weight than the historical record for this fixture.

Trading

Portsmouth half-time and goal-timing data (56 games, 28 at home): they score before half-time in 75% of fixtures in home games; when goalless at HT, a second-half goal follows 81% of the time; BTTS occurs in 50% of their matches (home games); Over 2.5 goals lands in 43% of games (home games).

Charlton half-time and goal-timing data (56 games, 28 at away): they score before half-time in 46% of fixtures in away games; when goalless at HT, a second-half goal follows 85% of the time; BTTS occurs in 61% of their matches (away games); Over 2.5 goals lands in 43% of games (away games).

BTTS rates are mixed from the trading data — Portsmouth 54% versus Charlton 55%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Portsmouth 45% | Charlton 41%).

Poisson Model

The Poisson distribution model projects Portsmouth 1.86 xG and Charlton 1.25 xG. These expected goals figures are the primary input: they feed a goal-probability matrix across all scoreline combinations to derive the result and market probabilities below. Underlying strength ratings: Portsmouth attack 1.046 / defence 1.165 | Charlton attack 0.823 / defence 1.228. League average goals — home 1.447 / away 1.305. Charlton bring a strong defensive rating of 1.228 — this is suppressing Portsmouth's projected output below what their attack strength alone would suggest. Data: 56 Portsmouth games / 57 Charlton games used (CurrentSeason).

Result probabilities: Portsmouth 52% | Draw 23% | Charlton 26%. Fair-value odds: Portsmouth 1.92 | Draw 4.35 | Charlton 3.85. Portsmouth hold a narrow Poisson edge at 52% — the draw (23%) is close enough to merit draw-inclusive market consideration.

Goals markets: Over 2.5 probability 60% | BTTS probability 60% | Total xG 3.11. Over 2.5 holds a meaningful probability edge at 60% — the 3.11 total xG provides moderate support, though the model is not projecting a high-scoring game. BTTS Yes at 60% reflects that both xG figures (1.86 / 1.25) are above the threshold where scoring blanks become the primary outcome — both sides are projected to find the net.

Verdict

The Poisson model's primary lean is Portsmouth at 52% — moderate model lean. Draw probability of 23% warrants consideration of Double Chance or Draw No Bet on Portsmouth if the outright odds are short.

On the goals line, Poisson's 3.11 combined xG gives a 60% probability to Over 2.5 — strong, supported by form averaging 2.8 goals per game and H2H averaging 2.8 goals per meeting.

The Poisson model's BTTS call is Yes at 60%. Form rates corroborate: Portsmouth 50% | Charlton 80% BTTS from recent games.

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