Bolton 1-1 Portsmouth – Result & Analysis
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Poisson model rates Bolton at 39%, yet in-form Portsmouth provide a compelling counter-argument — this Bolton vs Portsmouth fixture contains genuine analytical tension.
✍️ Match Preview
Fixture Analysis
It is a League One clash, Regular Season - 44 as Bolton welcome Portsmouth to Toughsheet Community Stadium. Kick-off is set for Saturday 13 April 2024 at 15:00 UTC.
Form Guide
Bolton — All Games: 4W 3D 3L from 10 League One outings this season, averaging 1.50 points per game. Last five: W L D W W. Offensively they are averaging 1.90 goals per game, with 1.20 conceded. 4 clean sheets in 10 games (40%) reflects a solid defensive base.
Bolton at Toughsheet Community Stadium this season: 7W 2D 1L from 10 home games — 2.30 PPG on home soil. They are averaging 2.40 goals per home game — a prolific scoring rate in front of their own fans. 4 home clean sheets from 10 games (40%) — a solid defensive base on their own ground. BTTS has landed in 60% of their home matches — a rate that supports the Yes angle in this fixture. Their home PPG of 2.30 is noticeably stronger than their overall 1.50 — Bolton are significantly better at Toughsheet Community Stadium than their overall form suggests.
Looking at all fixtures this season, Portsmouth stand at 7W 3D 0L from 10 League One matches — 2.40 PPG. Last five: W W W D W. Their attacking form is sharp — 2.00 goals per game is a high-output rate that commands respect in the goals markets. Defensively, 0.80 goals conceded per game is elite-level — a side this difficult to score against is a real threat to Over 2.5 and BTTS Yes. 3 clean sheets from 10 outings suggests some defensive organisation. Both teams have scored in 70% of their games — a noteworthy BTTS rate that supports the Yes market.
Portsmouth's form when playing away from home: 5W 4D 1L across 10 road games this term (1.90 PPG). Away from home they average 1.00 goals scored and 0.50 conceded per game. 7 away clean sheets from 10 games (70%) — they are as difficult to score against on the road as they are at home. Away from home, both teams have scored in only 30% of games — a low rate that backs BTTS No when they travel. Their away PPG of 1.90 is notably below their overall 2.40 — form away from home has been a clear weakness this season.
Despite the home advantage, the form figures favour Portsmouth — 0.90 PPG ahead of the hosts (2.40 vs 1.50). That gap is large enough to take seriously. Draw No Bet on the visitors neutralises home-ground risk while maintaining the form-backed selection.
Head to Head
The rivalry is an even one: 1 wins apiece for Bolton, 3 for Portsmouth and 1 shared spoils from 5 past contests. Neither side holds a meaningful historical edge.
The 5 previous meetings have averaged 2.4 goals per game — a neutral rate that provides no strong lean on the goals market from the H2H alone. The most recent clash, on 11 Dec 2023, ended 0–2 with Portsmouth winning.
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 Patterns
Bolton in-play and half-time data (88 games, 43 at home): they score before half-time in 74% of fixtures in home games; when goalless at HT, a second-half goal follows 69% of the time; BTTS occurs in 44% of their matches (home games); Over 2.5 goals lands in 46% of games (home games); they keep a clean sheet 42% of the time.
Portsmouth in-play and half-time data (88 games, 43 at away): they score before half-time in 63% of fixtures in away games; when goalless at HT, a second-half goal follows 62% of the time; BTTS occurs in 42% of their matches (away games); Over 2.5 goals lands in 40% of games (away games).
BTTS rates are mixed from the trading data — Bolton 43% versus Portsmouth 52%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Bolton 42% | Portsmouth 48%).
Poisson Model
The Poisson distribution model projects Bolton 1.29 xG and Portsmouth 1.18 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: Bolton attack 1.594 / defence 0.969 | Portsmouth attack 1.044 / defence 0.621. League average goals — home 1.302 / away 1.166. Bolton carry an above-average attack strength of 1.594 — their λ of 1.29 reflects genuine attacking quality above the league norm. Portsmouth's defence strength of 0.621 is below average — they are conceding at a rate that inflates the home xG figure. Data: 88 Bolton games / 88 Portsmouth games used (CurrentSeason).
Result probabilities: Bolton 39% | Draw 27% | Portsmouth 34%. Fair-value odds: Bolton 2.56 | Draw 3.70 | Portsmouth 2.94. This is a low-confidence result — no outcome exceeds 45%. The draw at 27% is a primary outcome, not an afterthought.
Goals markets: Over 2.5 probability 45% | BTTS probability 50% | Total xG 2.47. Under 2.5 has a narrow probability edge at 55% — total xG of 2.47 is below the line but not decisively so. BTTS probability of 50% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.
Summary & Verdict
The Poisson model's primary lean is Bolton at 39% — marginal model lean. Note a divergence: in-form Portsmouth (2.40 PPG) cuts against the Poisson lean — consider the strength-adjusted model over surface-level form results. With a 27% draw probability, Draw No Bet on Bolton offers a more defensible entry point than the straight win. The opposing side holds a 34% win probability per the model — this is not a banker and should be staked accordingly.
The Poisson model projects 2.47 xG in total — Under 2.5 at 45% — Poisson-only — limited corroboration confidence.
On the BTTS market, Poisson puts 50% on Yes. Form rates are neutral: Bolton 60% | Portsmouth 30%.
The outsider holds a 34% win probability per the model — this is not a banker and should not be treated as one. Proportionate stakes are appropriate given the genuine contest the data projects.
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💡 Key Insights
🏟️ Match Context
• Fixture: Bolton vs Portsmouth | Competition: League One, Regular Season - 44 | Venue: Toughsheet Community Stadium • Kick-off: Saturday 13 Apr 2024, 15:00 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Bolton 39% | Draw 27% | Portsmouth 34% • Poisson goal markets: Over 2.5 45% | BTTS 50% | xG Bolton 1.29 / Portsmouth 1.18 • Poisson strength factors: Bolton attack 1.594 / def 0.969 | Portsmouth attack 1.044 / def 0.621 | league avg home 1.302 / away 1.166 • Poisson stance: Bolton (39%) — low confidence — close contest
🧮 Prediction Model
1.29
Bolton xG
Expected Goals
1.18
Portsmouth xG
50%
BTTS
71%
Over 1.5
45%
Over 2.5
24%
Over 3.5
Full score-by-score matrix & model internals in the "Full Poisson Detail" section below ↓
⚠️ This analysis is generated algorithmically from statistical data and is intended for informational purposes only. It does not constitute betting advice. Please gamble responsibly.
❓ Frequently Asked Questions
What time does Bolton vs Portsmouth kick off?
Bolton vs Portsmouth kicked off at 15:00 on Saturday 13 April 2024 at Toughsheet Community Stadium.
What was the final score in Bolton vs Portsmouth?
Bolton 1 - 1 Portsmouth.
Where is Bolton vs Portsmouth being played?
The match is being played at Toughsheet Community Stadium.
What competition is Bolton vs Portsmouth part of?
Bolton vs Portsmouth is a Regular Season - 44 fixture in the League One (England).
Who is favourite to win Bolton vs Portsmouth?
Our statistical model gives Bolton a 39% chance of winning, Portsmouth a 34% chance, and a 27% chance of a draw — making Bolton the favourite.
Will both teams score in Bolton vs Portsmouth?
Our model estimates a 50% probability that both Bolton and Portsmouth will score (BTTS).
Will Bolton vs Portsmouth have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 45%.
What is the head-to-head record between Bolton and Portsmouth?
Record (5 meetings): Bolton 1W | Draws 1 | Portsmouth 3W.
What form are Bolton and Portsmouth in?
Bolton (all comps): 4W-3D-3L in 10 | 1.50 PPG | GF 1.90 / GA 1.20 | L5 W-L-D-W-W. Portsmouth (all comps): 7W-3D-0L in 10 | 2.40 PPG | GF 2.00 / GA 0.80 | L5 W-W-W-D-W.
🧮 Model Insight
How the Model Works This Match
Working from Bolton's attack rating (1.59) and Portsmouth's defence rating (0.62), the model arrives at 1.29 expected goals for the home side. The same calculation in reverse, Portsmouth's attack versus Bolton's defence, projects 1.18 expected goals for the visitors.
These ratings are built from 88/88 games of current-season data — a full enough sample to trust.
The Exact-Score Picture
Run the expected-goals figures through the full scoreline distribution and 1-1 emerges as the single most likely result, at 14.5%. Close behind: 0-0 (10.1%), 1-0 (9.2%). Those top three scorelines alone account for 34% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
Bolton Win
39%
2.56
27%
3.68
34%
2.96
Top 3 Most Likely Scorelines
1 – 1
12.9%
Draw
Most likely
1 – 0
10.9%
Home win
0 – 1
10.0%
Away win
Expected Goals & Win Odds
1.29
Bolton xG
Total xG
2.47
1.18
Portsmouth xG
2.56
39%
Home win
3.68
27%
Draw
2.96
34%
Away win
Goals Markets
71%
Over 1.5
1.41
29%
Under 1.5
3.45
45%
Over 2.5
2.22
55%
Under 2.5
1.82
24%
Over 3.5
4.17
76%
Under 3.5
1.32
10%
Over 4.5
10.00
90%
Under 4.5
1.11
Match Markets
Both Teams to Score
50%
BTTS Yes
1.99
50%
BTTS No
2.01
Clean Sheet
31%
3.25
28%
3.63
Win to Nil
12%
8.33
9%
10.75
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 8.5 | 10.0 | 5.9 | 2.3 | 0.7 | 0.2 |
| 1 | 10.9 | 12.9 | 7.6 | 3.0 | 0.9 | 0.2 |
| 2 | 7.0 | 8.3 | 4.9 | 1.9 | 0.6 | 0.1 |
| 3 | 3.0 | 3.6 | 2.1 | 0.8 | 0.2 | 0.1 |
| 4 | 1.0 | 1.2 | 0.7 | 0.3 | 0.1 | – |
| 5 | 0.3 | 0.3 | 0.2 | 0.1 | – | – |
Green = home win · Grey = draw · Amber = away win · Outlined cell = most likely score
▶ Model Internals
❓ Frequently Asked Questions
What is the most likely scoreline for Bolton vs Portsmouth?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 14.5%.
How many goals are Bolton and Portsmouth expected to score?
The model projects 1.29 expected goals for Bolton and 1.18 for Portsmouth, a combined total of 2.47.
How confident is the prediction model for Bolton vs Portsmouth?
Not very — the model's leading outcome sits at just 39%, meaning this is rated as a genuinely open contest with no dominant favourite.
📈 Form Insight
Form at a Glance
Bolton's recent record stands at 46W 21D 21L from 88 games, a 1.81 PPG return, with W-L-D-W-W in the last five.
Portsmouth, meanwhile, have gone 43W 31D 14L across 88 games — 1.82 PPG, with W-W-W-D-W in their last five.
Form-wise this is close to level: Bolton on 1.81 PPG, Portsmouth on 1.82. Other factors will likely decide this one more than recent results.
Venue Form
At home specifically, Bolton have managed 27W 9D 7L from 43 games — 2.09 PPG in front of their own supporters.
Portsmouth's away record stands at 20W 14D 9L across 43 trips, a 1.72 PPG haul.
Goals in Recent Form
Bolton are averaging 1.56 goals scored and 0.93 conceded per game recently; Portsmouth are on 1.50 scored and 0.98 conceded. Both sides have been difficult to break down recently — a combination that often points to a tighter, lower-scoring game than the average fixture.
Defensively: Bolton have kept a clean sheet in 42% of their games; Portsmouth in 40% — worth knowing if you're weighing up clean-sheet or BTTS-No markets.
Last 88 Results — League One
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Bolton
Current Season
Portsmouth
Current Season
❓ Frequently Asked Questions
What form are Bolton and Portsmouth in coming into this match?
Bolton have gone 46W 21D 21L in their last 88 games (1.81 PPG), while Portsmouth have gone 43W 31D 14L in their last 88 (1.82 PPG).
Which team has the better venue record — Bolton at home or Portsmouth away?
Bolton's home record (2.09 PPG) is the stronger of the two venue-specific splits — Bolton at home: 2.09 PPG; Portsmouth away: 1.72 PPG.
Have Bolton or Portsmouth been keeping clean sheets recently?
Bolton have kept a clean sheet in 42% of their recent games, Portsmouth in 40%.
⚔️ Rivalry Insight
Fixture History
6 meetings separate these sides on the data we hold, the series stretching back to October 2021. Every recorded meeting has come in League One. It has been a while since the last meeting — 13 April 2024, some 2 years back — so squads and form on both sides may look very different now.
Streaks & Records
The biggest gap between the sides came on 14 Jan 2023, when Bolton won 3-0 — the largest margin of victory on record between these two.
Bolton's record when hosting Portsmouth specifically: 1W 2D 0L from 3 games — a narrower, venue-specific slice of the head-to-head picture.
Last 6 Meetings
1
Bolton
2
Draws
3
Portsmouth
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between Bolton and Portsmouth?
From 6 meetings on record, Bolton have won 1, Portsmouth have won 3, and 2 have been drawn.
When did Bolton and Portsmouth last play each other?
They last met on 13 April 2024, when Bolton 1-1 Portsmouth.
Who has won more matches between Bolton and Portsmouth?
Portsmouth have the better head-to-head record, with 3 wins from 6 meetings.
📈 Trading Insight
First-Half Patterns
Bolton are typically involved in an early goal — the half-time board shows at least one in 74% of their matches. They've gone in front at half-time 44% of the time.
Portsmouth are typically involved in an early goal — the half-time board shows at least one in 63% of their matches. They've gone in front at half-time 37% of the time.
Full-Time Trends
BTTS sits in mixed territory for this pairing — Bolton 44%, Portsmouth 42% — no strong lean either way from the trading data alone.
Over 2.5 has been close to a coin-flip for both sides — 46% (Bolton) and 40% (Portsmouth).
On the defensive side: Bolton keep a clean sheet in 46% of their matches; Portsmouth in 51%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Bolton home games / Portsmouth away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Frequently Asked Questions
Do both teams usually score when Bolton play Portsmouth?
Not especially — both teams scoring has occurred in only 44% of Bolton's recent matches and 42% of Portsmouth's, a rate that leans toward BTTS No.
Is Bolton vs Portsmouth usually a high-scoring fixture?
Not particularly — Over 2.5 goals has come in for only 46% of Bolton's recent games and 40% of Portsmouth's, pointing to a tighter contest.
Do Bolton and Portsmouth tend to score early?
Bolton have had a goal before half-time in 74% of their recent matches, Portsmouth in 63% — a useful reference point for first-half goal markets.
Bolton and Portsmouth share the spoils in a 1-1 draw.
📝 Match Report
How It Unfolded
The points were shared at Toughsheet Community Stadium, Regular Season - 44, as Bolton and Portsmouth drew 1-1 in the League One. That is the final score; the rest of this report grades it against what the data forecast beforehand.
The Model vs The Result
The Poisson model went into this projecting Bolton 1.29 xG and Portsmouth 1.18 xG, a combined 2.47. The scoreboard read 1-1 for 2 actual goals. Both sides finished within a goal of their individual projections, so the scoreline sat close to the model's expected shape. Those figures were built on strength ratings of Bolton attack 1.59 / defence 0.97 against Portsmouth attack 1.04 / defence 0.62, drawn from 88/88 games (CurrentSeason).
On the result, the model split it Bolton 39% | Draw 27% | Portsmouth 34%, with Bolton to win its most likely call at 39%. The actual draw had been the model's second-ranked read at 27%, so the result diverged from the top call without being a shock.
Goals & Markets
The model rated Over 2.5 goals at 45%. The game delivered 2, so it stayed under — the model's lean was correct. Over 1.5 had been 71% and landed. On both teams to score, the model sat at 50% and the match saw both sides score — another call in the model's favour. Historically the two sides average 45% Over 2.5 across their same-competition games (Bolton 42%, Portsmouth 48%), a base rate that agreed with today's under. Their combined BTTS history runs at 48%, which did not match the both-scored outcome.
Trading Patterns vs Reality
Bolton's trading profile (88 games, 43 home) set some clear expectations: BTTS lands in 43% of their matches — today it did; they keep a clean sheet 42% of the time, and conceded here.
Portsmouth's trading profile (88 games, 43 away) set some clear expectations: BTTS lands in 52% of their matches — today it did; they keep a clean sheet 40% of the time, and conceded here.
Form vs Result
The form lines were close — Bolton 1.81 PPG, Portsmouth 1.82 PPG — offering no strong steer, and the draw fit that even billing.
Verdict
Grading the result against the stored data, 2 of 3 pre-match signals came in: result (miss), Over 2.5 (hit), BTTS (hit). A mixed scorecard — the data caught the broad shape of the game but not every market.
💡 Key Insights
⚠️ This match report is generated algorithmically from the final score, our prediction model, and each team's historical form and trading data. Analysis is for informational purposes only.