Portsmouth 2-2 Charlton – Result & Analysis

Poisson rates Portsmouth at 53% — recent form provides partial corroboration, though signals are mixed in this Portsmouth vs Charlton encounter.

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Analysis

Charlton make the trip to Fratton Park to face Portsmouth in League One (matchday 17). The match kicks off on Saturday 11 November 2023 at 15:00 UK time.

Current Form

Portsmouth's record over their last 10 games: 8W 2D 0L (2.60 PPG). Last five: W W W D W. Offensively they are averaging 1.90 goals per game, with 0.90 conceded. 3 clean sheets from 10 outings (30%). Both teams have scored in 70% of their games — a high BTTS rate that carries real weight in the goals markets.

In front of their own supporters, Portsmouth have posted 7W 3D 0L from their last 10 home games — 2.40 PPG. At home they are averaging 1.50 goals scored and 0.60 conceded per game. 5 clean sheets from their last 10 home games (50%) — they are an exceptionally hard side to score against at home.

Charlton (all games): 5W 3D 2L across their last 10 — 1.80 points per game. Last five: D W L L W. Their attacking form is sharp — 2.00 goals per game is a high-output rate that commands respect in the goals markets. 2 clean sheets from 10 outings (20%). Both teams have scored in 70% of their games — a noteworthy BTTS rate that supports the Yes market.

Charlton's form when playing away from home: 2W 3D 5L across their last 10 road games (0.90 PPG). Away from home they average 0.90 goals scored and 1.80 conceded per game. Their away PPG of 0.90 is notably below their overall 1.80 — form away from home has been a clear weakness recently.

The form ledger tips toward Portsmouth. A 0.80 PPG lead over Charlton (2.60 vs 1.80) is a consistent enough margin to carry weight. If the win odds appear compressed, Draw No Bet offers draw insurance at a lower cost than a full switch to Double Chance.

H2H Analysis

Across the 4 H2H matches in our data, Charlton have the stronger record — 3 wins to Portsmouth's 0, with 1 draw.

These two sides have produced goals at a healthy rate, averaging 3.5 per game across the 4 H2H matches we hold. That scoring profile supports the Over 2.5 angle. The most recent of those, on 1 Jan 2023, ended Portsmouth 1–3 Charlton — a Charlton win.

The H2H data backs the away side. Charlton have won 3 of 4 H2H matches, and at 3.5 goals per game the goals market also points upward — the away win and Over 2.5 combination has a head-to-head case.

Trading

Portsmouth half-time and goal-timing data (last 61 games, 29 of them at home): at least one goal arrives before half-time in 59% of their matches in home games; when goalless at HT, a second-half goal follows 62% of the time; of the 14 games they trailed at half-time, they recovered to draw or win 43%; BTTS occurs in 55% of their matches (home games); Over 2.5 goals lands in 41% of games (home games).

Charlton half-time and goal-timing data (last 61 games, 29 of them away): at least one goal arrives before half-time in 69% of their matches in away games; when goalless at HT, a second-half goal follows 80% of the time; of the 21 games they led at half-time, they failed to win 29%; of the 15 games they trailed at half-time, they recovered to draw or win 33%; BTTS occurs in 55% of their matches (away games); Over 2.5 goals lands in 48% of games (away games); Over 3.5 in 38%.

BTTS rates are mixed from the trading data — Portsmouth 52% versus Charlton 62%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Portsmouth 41% | Charlton 54%). Note also that Charlton surrender HT leads in 29% of cases while Portsmouth recover from half-time deficits to draw or win 43% of the time — a dynamic that could influence in-play positioning.

Poisson Model

The Poisson distribution model projects Portsmouth 1.55 xG and Charlton 0.87 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 1.055 / defence 0.729 | Charlton attack 1.041 / defence 1.106. League average goals — home 1.328 / away 1.151. Portsmouth have a tight defence (rating 0.729), which is pulling Charlton's projected output down. Data: built from Portsmouth's last 61 games and Charlton's last 61.

Result probabilities: Portsmouth 53% | Draw 27% | Charlton 21%. Fair-value odds: Portsmouth 1.90 | Draw 3.75 | Charlton 4.84. Portsmouth hold a narrow Poisson edge at 53% — the draw (27%) is close enough to merit draw-inclusive market consideration.

Goals markets: Over 2.5 probability 44% | BTTS Yes probability 46% | Total xG 2.42. Under 2.5 has a narrow probability edge at 56% — total xG of 2.42 is below the line but not decisively so. BTTS No at 54% is only a slight lean — the model gives both sides a fair chance of scoring, so No isn't a clear standalone call.

Verdict

Charlton have the better head-to-head record in our data (3 wins to 0), but Portsmouth carry stronger current form — do not let the head-to-head record alone dictate your assessment.

The Poisson model's primary lean is Portsmouth at 53% — moderate model lean. Recent form corroborates the Poisson lean — partial multi-source support. Draw probability of 27% warrants consideration of Double Chance or Draw No Bet on Portsmouth if the outright odds are short.

On the goals line, Poisson's 2.42 combined xG gives a 56% probability to Under 2.5 — low conviction — though the H2H data averaging 3.5 goals per game across 4 H2H matches points the other way.

The Poisson model's BTTS call is No at 54%. Form rates are neutral — both teams scored in: Portsmouth 50% (last 10 home games) | Charlton 50% (last 10 away games).

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