Stevenage 0-0 Portsmouth – Result & Analysis
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Poisson model rates Portsmouth at 45%, yet in-form Stevenage provide a compelling counter-argument — this Stevenage vs Portsmouth fixture contains genuine analytical tension.
✍️ Match Preview
Fixture Analysis
It is a League One clash, Regular Season - 5 as Stevenage welcome Portsmouth to The Lamex Stadium. Kick-off is set for Saturday 26 August 2023 at 15:00 UTC.
Form Analysis
Looking at all fixtures this season, Stevenage stand at 8W 0D 2L from 10 League One matches — 2.40 PPG. Last five: W W W W L. They are averaging 1.20 goals per game and conceding 0.50 — a modest attacking output that tempers optimism on the Over 2.5 market. Defensively, conceding just 0.50 per game is an exceptional defensive record — one of the tightest in the division. 6 clean sheets from 10 games (60%) is a standout defensive return — they are keeping their net clean in more than half their matches. Both teams have scored in only 20% of their games — a low BTTS rate that suggests clean sheets are a regular occurrence. Stevenage have played only a handful of League One games so far this season, so this record also draws on matches from last season.
Stevenage at The Lamex Stadium this season: 6W 1D 3L from 10 home games — 1.90 PPG on home soil. At home they are averaging 1.50 goals scored and 1.00 conceded per game. 4 home clean sheets from 10 games (40%) — a solid defensive base on their own ground. Somewhat surprisingly, their home PPG of 1.90 lags behind their overall 2.40 — the home advantage has not translated into superior results at The Lamex Stadium this season.
Across all League One games this season, Portsmouth have recorded 3W 7D 0L from 10 outings — 1.60 PPG. Last five: D D W W D. Their scoring rate of 1.20 per game is modest, conceding 0.60 — not a side to back heavily on the Over 2.5 from their form alone. Defensively, 0.60 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. 5 clean sheets from 10 games (50%) is an exceptional defensive record — they are keeping clean sheets more often than not. Portsmouth have played only a handful of League One games so far this season, so this record also draws on matches from last season.
On the road, Portsmouth have gone 4W 5D 1L from 10 away fixtures this term (1.70 PPG). Away from home they average 1.50 goals scored and 0.80 conceded per game. 4 clean sheets from 10 away games (40%) shows they are capable of shutting up shop on the road. BTTS has landed in 60% of their away games — meaningful support for the Yes angle in this specific context.
Stevenage carry the stronger recent momentum — 0.80 PPG ahead of their opponents on 2.40 vs 1.60. The form data is a point in their favour, and where the price allows, it is the cleaner directional bet.
In-Play Data
Stevenage trading profile (50 games, 24 at home): they score before half-time in 58% of fixtures in home games; when goalless at HT, a second-half goal follows 76% of the time; BTTS occurs in 38% 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 trading profile (50 games, 24 at away): they score before half-time in 79% of fixtures in away games; when goalless at HT, a second-half goal follows 62% of the time; BTTS occurs in 46% of their matches (away games); Over 2.5 goals lands in 38% of games (away games); they keep a clean sheet 40% of the time.
BTTS rates are mixed from the trading data — Stevenage 44% versus Portsmouth 50%; no strong lean in either direction. Under 2.5 goals has backing from the in-play data — both teams register low Over 2.5 rates (Stevenage 36% | Portsmouth 38%).
Poisson Model
The Poisson distribution model projects Stevenage 1.03 xG and Portsmouth 1.38 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: Stevenage attack 0.987 / defence 0.999 | Portsmouth attack 1.245 / defence 0.878. League average goals — home 1.190 / away 1.110. Portsmouth have an above-average attack strength of 1.245 — the away xG of 1.38 is driven by genuine attacking quality on the road. Data: 4 Stevenage games / 50 Portsmouth games used (CurrentSeason).
Result probabilities: Stevenage 28% | Draw 27% | Portsmouth 45%. Fair-value odds: Stevenage 3.57 | Draw 3.70 | Portsmouth 2.22. Portsmouth hold a narrow Poisson edge at 45% — the draw (27%) is close enough to merit draw-inclusive market consideration.
Goals markets: Over 2.5 probability 43% | BTTS probability 48% | Total xG 2.41. Under 2.5 has a narrow probability edge at 57% — total xG of 2.41 is below the line but not decisively so. BTTS probability of 48% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.
Our Verdict
Poisson rates Portsmouth as the most likely outcome at 45% — moderate model lean. Note a divergence: in-form Stevenage (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 Portsmouth offers a more defensible entry point than the straight win. The opposing side holds a 28% win probability per the model — this is not a banker and should be staked accordingly.
The Poisson model projects 2.41 xG in total — Under 2.5 at 43% — Poisson-only — limited corroboration confidence.
On the BTTS market, Poisson puts 48% on No. Form rates are neutral: Stevenage 50% | Portsmouth 60%.
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💡 Key Insights
🏟️ Match Context
• Fixture: Stevenage vs Portsmouth | Competition: League One, Regular Season - 5 | Venue: The Lamex Stadium • Kick-off: Saturday 26 Aug 2023, 15:00 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Stevenage 28% | Draw 27% | Portsmouth 45% • Poisson goal markets: Over 2.5 43% | BTTS 48% | xG Stevenage 1.03 / Portsmouth 1.38 • Poisson strength factors: Stevenage attack 0.987 / def 0.999 | Portsmouth attack 1.245 / def 0.878 | league avg home 1.190 / away 1.110 • Poisson stance: Portsmouth (45%) — moderate lean
🧮 Prediction Model
1.03
Stevenage xG
Expected Goals
1.38
Portsmouth xG
48%
BTTS
69%
Over 1.5
43%
Over 2.5
22%
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 Stevenage vs Portsmouth kick off?
Stevenage vs Portsmouth kicked off at 15:00 on Saturday 26 August 2023 at The Lamex Stadium.
What was the final score in Stevenage vs Portsmouth?
Stevenage 0 - 0 Portsmouth.
Where is Stevenage vs Portsmouth being played?
The match is being played at The Lamex Stadium.
What competition is Stevenage vs Portsmouth part of?
Stevenage vs Portsmouth is a Regular Season - 5 fixture in the League One (England).
Who is favourite to win Stevenage vs Portsmouth?
Our statistical model gives Stevenage a 28% chance of winning, Portsmouth a 45% chance, and a 27% chance of a draw — making Portsmouth the favourite.
Will both teams score in Stevenage vs Portsmouth?
Our model estimates a 48% probability that both Stevenage and Portsmouth will score (BTTS).
Will Stevenage vs Portsmouth have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 43%.
What is the head-to-head record between Stevenage and Portsmouth?
No recorded head-to-head meetings available in the dataset.
What form are Stevenage and Portsmouth in?
Stevenage (all comps): 8W-0D-2L in 10 | 2.40 PPG | GF 1.20 / GA 0.50 | L5 W-W-W-W-L. Portsmouth (all comps): 3W-7D-0L in 10 | 1.60 PPG | GF 1.20 / GA 0.60 | L5 D-D-W-W-D.
🧮 Model Insight
How the Model Works This Match
The model rates Stevenage's attack at 0.99x the league average against Portsmouth's defence at 0.88x — combine the two and it projects 1.03 expected goals for the hosts. The same calculation in reverse, Portsmouth's attack versus Stevenage's defence, projects 1.38 expected goals for the visitors.
These ratings are built from 4/50 games of current-season data — a full enough sample to trust.
Scoreline Breakdown
Of every possible scoreline, 1-1 carries the highest individual probability at 14.4% — still a long way from a near-certainty, which says something about how open this one is on paper. Close behind: 0-1 (10.7%), 0-0 (10.6%). Those top three scorelines alone account for 36% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
Portsmouth Win
28%
3.56
27%
3.69
45%
2.23
Top 3 Most Likely Scorelines
1 – 1
12.8%
Draw
Most likely
0 – 1
12.4%
Away win
1 – 0
9.3%
Home win
Expected Goals & Win Odds
1.03
Stevenage xG
Total xG
2.41
1.38
Portsmouth xG
3.56
28%
Home win
3.69
27%
Draw
2.23
45%
Away win
Goals Markets
69%
Over 1.5
1.45
31%
Under 1.5
3.23
43%
Over 2.5
2.33
57%
Under 2.5
1.75
22%
Over 3.5
4.55
78%
Under 3.5
1.28
10%
Over 4.5
10.00
90%
Under 4.5
1.11
Match Markets
Both Teams to Score
48%
BTTS Yes
2.08
52%
BTTS No
1.93
Clean Sheet
25%
3.97
36%
2.80
Win to Nil
7%
14.16
16%
6.25
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 9.0 | 12.4 | 8.5 | 3.9 | 1.4 | 0.4 |
| 1 | 9.3 | 12.8 | 8.8 | 4.1 | 1.4 | 0.4 |
| 2 | 4.8 | 6.6 | 4.5 | 2.1 | 0.7 | 0.2 |
| 3 | 1.6 | 2.3 | 1.6 | 0.7 | 0.2 | 0.1 |
| 4 | 0.4 | 0.6 | 0.4 | 0.2 | 0.1 | – |
| 5 | 0.1 | 0.1 | 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 Stevenage vs Portsmouth?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 14.4%.
How many goals are Stevenage and Portsmouth expected to score?
The model projects 1.03 expected goals for Stevenage and 1.38 for Portsmouth, a combined total of 2.41.
How confident is the prediction model for Stevenage vs Portsmouth?
Not very — the model's leading outcome sits at just 45%, meaning this is rated as a genuinely open contest with no dominant favourite.
📈 Form Insight
Form at a Glance
Stevenage come into this having played 50 games, going 27W 13D 10L for 1.88 points per game. Their last five reads W-W-W-W-L. It's still early in the season for Stevenage, so this record blends in a handful of games from last season too.
On the other side, Portsmouth sit at 1.56 PPG from 50 outings (19W 21D 10L), a run that reads D-D-W-W-D across their last five. It's still early in the season for Portsmouth, so this record blends in a handful of games from last season too.
Form-wise this is close to level: Stevenage on 1.88 PPG, Portsmouth on 1.56. Other factors will likely decide this one more than recent results.
Venue Form
Stevenage's home form reads 18W 2D 4L across 24 games on their own ground, a 2.33 PPG return. That's noticeably better than their 1.88 PPG overall — Stevenage are a different proposition at home than their general record suggests.
Away from home, Portsmouth have taken 1.46 points per game from 24 outings (9W 8D 7L).
Comparing the two in their relevant venue splits, Stevenage come out ahead — a more targeted read than the overall PPG figures above, since it strips out games played in the opposite context.
Goals in Recent Form
Stevenage are averaging 1.32 goals scored and 0.84 conceded per game recently; Portsmouth are on 1.34 scored and 1.02 conceded.
Defensively: Stevenage 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 50 Results — League One
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Stevenage
Early Season
Portsmouth
Early Season
❓ Frequently Asked Questions
What form are Stevenage and Portsmouth in coming into this match?
Stevenage have gone 27W 13D 10L in their last 50 games (1.88 PPG), while Portsmouth have gone 19W 21D 10L in their last 50 (1.56 PPG).
Which team has the better venue record — Stevenage at home or Portsmouth away?
Stevenage's home record (2.33 PPG) is the stronger of the two venue-specific splits — Stevenage at home: 2.33 PPG; Portsmouth away: 1.46 PPG.
Have Stevenage or Portsmouth been keeping clean sheets recently?
Stevenage have kept a clean sheet in 42% of their recent games, Portsmouth in 40%.
⚔️ Rivalry Insight
Fixture History
2 meetings separate these sides on the data we hold, the series stretching back to August 2023. Every recorded meeting has come in League One. It has been a while since the last meeting — 1 January 2024, some 1 year back — so squads and form on both sides may look very different now.
Last 2 Meetings
0
Stevenage
1
Draws
1
Portsmouth
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between Stevenage and Portsmouth?
From 2 meetings on record, Stevenage have won 0, Portsmouth have won 1, and 1 have been drawn.
When did Stevenage and Portsmouth last play each other?
They last met on 1 January 2024, when Portsmouth 2-1 Stevenage.
Who has won more matches between Stevenage and Portsmouth?
Portsmouth have the better head-to-head record, with 1 wins from 2 meetings.
📈 Trading Insight
First-Half Patterns
Stevenage see a goal before the break in 58% of their matches. They've gone in front at half-time 46% of the time.
Portsmouth are typically involved in an early goal — the half-time board shows at least one in 79% of their matches. They've gone in front at half-time 38% of the time.
Full-Time Trends
BTTS sits in mixed territory for this pairing — Stevenage 38%, Portsmouth 46% — no strong lean either way from the trading data alone.
Over 2.5 has been close to a coin-flip for both sides — 46% (Stevenage) and 38% (Portsmouth).
On the defensive side: Stevenage keep a clean sheet in 58% of their matches; Portsmouth in 42%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Stevenage 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 Stevenage play Portsmouth?
Not especially — both teams scoring has occurred in only 38% of Stevenage's recent matches and 46% of Portsmouth's, a rate that leans toward BTTS No.
Is Stevenage vs Portsmouth usually a high-scoring fixture?
Not particularly — Over 2.5 goals has come in for only 46% of Stevenage's recent games and 38% of Portsmouth's, pointing to a tighter contest.
Do Stevenage and Portsmouth tend to score early?
Stevenage have had a goal before half-time in 58% of their recent matches, Portsmouth in 79% — a useful reference point for first-half goal markets.
Stalemate at Stevenage's ground as both sides cancel each other out in a goalless draw.
📝 Match Report
How It Unfolded
The points were shared at The Lamex Stadium, Regular Season - 5, as Stevenage and Portsmouth drew 0-0 in the League One. The remainder of the report sets that outcome against the pre-match model, the markets and the teams' data profiles.
The Model vs The Result
The Poisson model went into this projecting Stevenage 1.03 xG and Portsmouth 1.38 xG, a combined 2.41. The scoreboard read 0-0 for 0 actual goals. Stevenage fell 1.0 short of their projected output. Portsmouth landed 1.4 under their projected return. Those figures were built on strength ratings of Stevenage attack 0.99 / defence 1.00 against Portsmouth attack 1.25 / defence 0.88, drawn from 4/50 games (CurrentSeason).
On the result, the model split it Stevenage 28% | Draw 27% | Portsmouth 45%, with Portsmouth to win its most likely call at 45%. 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 43%. The game delivered 0, so it stayed under — in line with the projection. Over 1.5 had been 69% and missed. On both teams to score, the model sat at 48% and the match did not — another call in the model's favour. Historically the two sides average 37% Over 2.5 across their same-competition games (Stevenage 36%, Portsmouth 38%), a base rate that agreed with today's under. Their combined BTTS history runs at 47%, which matched the one-sided outcome.
Trading Patterns vs Reality
Stevenage's trading profile (50 games, 24 home) set some clear expectations: BTTS lands in 44% of their matches — today it did not; they keep a clean sheet 42% of the time, and duly kept one.
Portsmouth's trading profile (50 games, 24 away) set some clear expectations: BTTS lands in 50% of their matches — today it did not; they keep a clean sheet 40% of the time, and duly kept one.
Form vs Result
The form lines were close — Stevenage 1.88 PPG, Portsmouth 1.56 PPG — offering no strong steer, and the draw fit that even billing. Stevenage (home/away splits) managed 0 against a 1.75 scoring average — below par going forward. Portsmouth (home/away splits) managed 0 against a 1.29 scoring average — below par going forward and conceded 0 against a 1.17 average — tighter than their form line.
Verdict
Grading the result against the stored data, 2 of 3 pre-match signals came in: result (miss), Over 2.5 (hit), BTTS (hit). Partial vindication: some calls landed, others slipped.
💡 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.