Charlton VS Portsmouth Prediction & Betting Tips - AI Analysis & Odds (Sep 12, 2026)

Charlton Athletic FCCharlton

0 - 0

HT: 0-0

Portsmouth FCPortsmouth

Championship·The Valley, Charlton

Comparison of analyst and AI predictions

Predicto AI

Incorrect

Portsmouth FC to win

View Reasoning

Portsmouth FC has a slightly better overall record with 7 wins compared to Charlton Athletic FC's 6, and they have scored significantly more goals (26) despite conceding more (32). Historical performance also favors Charlton with 8 wins in their last 15 encounters, but Portsmouth's current form and attacking stats suggest they have a solid chance of clinching the victory. The odds of approximately 2.75 for Portsmouth to win reflect this competitive matchup.

Human Analyst

Incorrect

Both Teams to Score

View Reasoning

Both teams have shown a strong tendency to score, with a BTTS (Both Teams to Score) rate of 65% for both Charlton Athletic FC and Portsmouth FC. Given their recent form and the historical H2H results that feature a total of 40 goals in 15 matches, it's reasonable to expect both sides to find the net. Additionally, with Charlton's 19 goals scored against Portsmouth's 26, the attacking potential is evident.

Split call — see both takes above

Key Stats

Charltonper gamePortsmouth

0.8

xG for

1.4

1.7

xG against

1.4

Possession %

54.2

10.4

Shots

Charlton — last 5

LDWWW

Portsmouth — last 5

WLLWL

Team Stats

Charltonper gamePortsmouth

0.8

xG for

1.4

1.7

xG against

1.4

Possession %

54.2

10.4

Shots

Shots on tgt

4.4

Corners

BTTS %

Over 2.5 %

Clean sheet %

Charlton — last 5

LDWWW

Portsmouth — last 5

WLLWL

Last season

Team	W-D-L	GF/g	GA/g	CS
Charlton	13-14-19	1	1.3	13
Portsmouth	14-13-19	1.1	1.4	10

Charlton performance

Total Matches

Form

6W7D7L

Avg Scored

0.95

per match

Avg Conceded

1.20

per match

Goals Scored19

Goals Conceded24

Clean Sheets4 (20%)

BTTS65%

Over 2.540%

Over 3.510%

Portsmouth performance

Total Matches

Form

7W4D9L

Avg Scored

1.30

per match

Avg Conceded

1.60

per match

Goals Scored26

Goals Conceded32

Clean Sheets4 (20%)

BTTS65%

Over 2.550%

Over 3.535%

Expected Match Outcome

Charlton

1-1

(1.3 - 1.3 xG)

Portsmouth

Charlton

Scores0.95/g

Concedes1.20/g

Portsmouth

Scores1.30/g

Concedes1.60/g

Market Predictions

BTTS

65%

Over 2.5

45%

Over 3.5

23%

Under 2.5

55%

Head-to-Head & Form

Charlton wins

Draws

Portsmouth wins

Recent meetings

17 Feb 2026Charlton

1–3

Portsmouth

29 Dec 2025Portsmouth

2–1

Charlton

03 Aug 2024Charlton

2–0

Portsmouth

Standings

#	Team	P	W	D	L	GD	Pts
1	Swansea	11	7	2	2	+8	23
2	West Ham	11	6	4	1	+18	22
3	Middlesbrough	11	6	4	1	+6	22
4	Birmingham	11	5	5	1	+9	20
5	West Brom	11	6	2	3	+3	20
6	Stoke City	11	6	1	4	+2	19
7	Wolves	11	5	3	3	+3	18
8	Southampton	11	6	3	2	+11	17
9	QPR	11	4	5	2	+3	17
10	Blackburn	11	4	3	4	+1	15
11	Sheffield Utd	11	4	3	4	+1	15
12	Millwall	11	4	3	4	0	15
13	Portsmouth	11	4	3	4	0	15
14	Wrexham	11	3	5	3	-1	14
15	Bolton	11	4	2	5	-3	14
16	Bristol City	11	4	2	5	-3	14
17	Charlton	11	3	5	3	-5	14
18	Lincoln	11	3	3	5	-10	12
19	Cardiff	11	2	5	4	+1	11
20	Watford	11	3	2	6	-9	11
21	Norwich	11	3	0	8	-4	9
22	Burnley	11	1	5	5	-5	8
23	Derby	11	1	3	7	-11	6
24	Preston	11	1	1	9	-15	4

Overview

Charlton currently sit 7th with 10 points after 5 matches, showing strong form with 3 wins in their last 4 games. Portsmouth are struggling at 17th with 6 points and a mixed WLLWL run. Last season, both teams had similar defensive records (Charlton 1.3 goals conceded per game, Portsmouth 1.4), but Charlton scored slightly less (1.0 vs 1.1). This early-season fixture could see Charlton’s home advantage and slightly better form being key.

Form & xG

Charlton’s current xG per game is 0.78, underperforming their last season baseline of 1.0, while conceding 1.72 xGA, worse than last season’s 1.3. Portsmouth have an xG of 1.4 and xGA of 1.39 this season, close to their last season 1.1 and 1.4 respectively. Portsmouth’s higher possession (54.2% vs Charlton’s 38%) and more shots (16 vs 10.4) suggest they create more chances, but Charlton’s defense at home could limit this.

Team news & key players

Charlton’s top contributor Karlan Grant has 1 goal and 1 assist in 5 games, with 0.95 shots and 0.71 on-target shots per 90. Lloyd Jones adds 2 goals. Portsmouth’s leading chance creator A. Segecic averages 2 shots and 2.25 key passes per 90 but is yet to score. Midfielder Terry Devlin offers 1 goal in 4 games with solid tackling (2.5/90). Both teams have players with 1 yellow card, reflecting moderate discipline.

Stats & betting angles

Both teams have a 60% BTTS and Over 2.5 frequency this season, aligning with last season’s moderate scoring patterns (Charlton 1.0, Portsmouth 1.1 goals per game). Charlton’s clean sheet rate last season was 28% (13/46), Portsmouth’s 22% (10/46). Historical H2H shows recent high-scoring affairs: 1-3, 2-1, 2-2. Corners favor Portsmouth (7 vs 4.4 per game), and Portsmouth’s possession dominance could lead to more shots and chances.

Verdict

Charlton’s stronger home form and recent wins contrast with Portsmouth’s inconsistency and lower standing. However, Portsmouth’s higher xG and possession suggest an attacking threat capable of scoring. Expect a competitive match with goals at both ends, likely exceeding 2.5 goals. The last H2H results support a 2-1 or 1-2 scoreline, favoring a narrow home win but with goals for both teams.

Martin Anderson

Human analyst

Professional betting analyst with 10+ years of experience in sports data analytics and statistics. Featured on The Athletic, 433, and ESPN. Currently maintaining a 70% win rate this season across European football markets. See the public track record.

Frequently Asked Questions

How has Charlton's recent form influenced their chances?

Charlton's recent form is strong with 3 wins and 1 draw in their last 5 games (LDWWW), accumulating 10 points and sitting 7th in the table. Their defense has conceded 1.4 goals per game this season, slightly higher than last season's 1.3, but their attack is improving with 1.2 goals per game, up from 1.0 last season. This form suggests they have momentum at home.

What does the xG profile reveal about both teams?

Charlton's xG is 0.78 per game, below last season's 1.0, indicating underperformance in attack, while conceding a high 1.72 xGA. Portsmouth's xG at 1.4 exceeds their 1.1 baseline, showing better chance creation, with xGA of 1.39 close to last season's 1.4. Portsmouth's higher possession (54.2%) and shots (16) suggest more attacking intent.

Who are the key attackers and their per-90 contributions?

Charlton's Karlan Grant leads with 0.95 shots and 0.71 on-target shots per 90, scoring 1 goal and 1 assist in 5 games. Lloyd Jones adds 2 goals with 1.2 shots per 90. Portsmouth's A. Segecic averages 2 shots and 2.25 key passes per 90 but no goals yet. Terry Devlin offers 1 goal and 2.5 tackles per 90, showing both attacking and defensive contributions.

How does defensive frailty impact the fixture?

Both teams concede around 1.3-1.4 goals per game last season (Charlton 1.3, Portsmouth 1.4) and both have conceded more than expected xGA this season (Charlton 1.72, Portsmouth 1.39). Charlton’s clean sheet rate last season was 28%, Portsmouth’s 22%, indicating defensive vulnerabilities that increase the likelihood of goals for both sides.

Why is BTTS likely in this match?

Both teams have a 60% BTTS rate this season, supported by their moderate attacking outputs (Charlton 1.2 goals, Portsmouth 1.4 goals per game) and defensive records conceding over 1.4 goals on average. The last three head-to-heads had BTTS in 1-3, 2-1, and 2-2 results, reinforcing the expectation of goals at both ends.

What supports betting on over 2.5 goals?

Over 2.5 goals has occurred in 60% of matches for both teams this season, reflecting attacking tendencies and defensive lapses. Past H2H matches like 1-3, 2-1, and 2-2 show recent high-scoring trends. Portsmouth’s 7 corners per game and 54.2% possession also suggest sustained pressure leading to scoring chances.

How do head-to-head trends inform the prediction?

Recent head-to-heads show a mix of results: 1-3, 2-1, 2-2, 0-0, and 2-0. Three of the last five matches featured 3 or more goals, and BTTS occurred in four. This history suggests a competitive match with goals at both ends and a possible narrow win for either side.

Is there a betting value angle in this fixture?

Given Charlton’s superior recent form (LDWWW) and home advantage, betting on a narrow home win (2-1) offers value versus Portsmouth’s better xG and possession stats. Over 2.5 and BTTS bets are supported by 60% frequencies and recent H2H results. The discrepancy between Charlton’s low xG and actual results may present an edge.