Nacional vs Guimaraes – Pre-Match Analysis
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Poisson model rates Nacional at 53%, yet other data sources diverge — this Nacional vs Guimaraes fixture contains genuine analytical tension.
✍️ Match Preview
Match Analysis
Nacional host Guimaraes at in Primeira Liga, Regular Season - 20. Kick-off is scheduled for Sunday 31 January 2027 at 16:00 UTC.
Form Analysis
Looking at all fixtures this season, Nacional stand at 4W 1D 5L from 10 Primeira Liga matches — 1.30 PPG. Last five: W W L L W. They are averaging 0.90 goals per game and conceding 0.90 — a modest attacking output that tempers optimism on the Over 2.5 market. 4 clean sheets in 10 games (40%) reflects a solid defensive base. Both teams have scored in only 20% of their games — a low BTTS rate that suggests clean sheets are a regular occurrence. Nacional haven't played a Primeira Liga game yet this season, so this record is entirely from last season.
In front of their own supporters this season, Nacional have posted 4W 2D 4L at — 1.40 PPG. At home they are averaging 1.40 goals scored and 0.90 conceded per game. 5 clean sheets from 10 home games (50%) — they are an exceptionally hard side to score against at . At home, both teams have scored in only 30% of games — reinforcing BTTS No as the home-venue-backed angle.
Across all Primeira Liga games this season, Guimaraes have recorded 3W 1D 6L from 10 outings — 1.00 PPG. Last five: W W L L L. Their scoring rate of 1.10 per game is modest, conceding 1.60 — 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. Both teams have scored in just 30% of their games, reflecting a regular tendency to keep or record clean sheets. Guimaraes haven't played a Primeira Liga game yet this season, so this record is entirely from last season.
On the road, Guimaraes have gone 1W 2D 7L from 10 away fixtures this term (0.50 PPG). Away from home they average 0.90 goals scored and 2.30 conceded per game. Their away PPG of 0.50 is notably below their overall 1.00 — form away from home has been a clear weakness this season.
There is minimal separation in the form figures — Nacional at 1.30 PPG versus Guimaraes's 1.00. The form guide is not providing a strong directional steer; the model and market data will carry more weight in the final assessment.
Head to Head
The rivalry is an even one: 1 wins apiece for Nacional, 2 for Guimaraes and 1 shared spoils from 4 past contests. Neither side holds a meaningful historical edge.
The 4 previous encounters between these sides have been high-scoring affairs — 3.0 goals per contest on average. Historical precedent backs the Over 2.5 goals market. The most recent clash, on 16 May 2026, ended 2–0 with Nacional winning.
With the win record balanced, the strongest H2H-derived signal is in the goals market. At 3.0 goals per game historically, Over 2.5 is the cleaner angle to extract from the head-to-head data.
In-Play Data
Nacional trading profile (34 games, 17 at home): they score before half-time in 59% of fixtures in home games; when goalless at HT, a second-half goal follows 92% of the time; two or more arrive in the second half on 58% of those occasions; BTTS occurs in 47% of their matches (home games); Over 2.5 goals lands in 53% of games (home games); they fail to score in 32% of games.
Guimaraes trading profile (34 games, 17 at away): they score before half-time in 71% of fixtures in away games; when goalless at HT, a second-half goal follows 85% of the time; BTTS occurs in 29% of their matches (away games); Over 2.5 goals lands in 35% of games (away games); they fail to score in 35% of games.
BTTS rates are mixed from the trading data — Nacional 47% versus Guimaraes 41%; no strong lean in either direction. The over/under 2.5 picture is inconclusive from the in-play data (Nacional 41% | Guimaraes 44%).
Poisson Model
The Poisson distribution model projects Nacional 1.64 xG and Guimaraes 0.98 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: Nacional attack 0.956 / defence 0.954 | Guimaraes attack 0.912 / defence 1.135. League average goals — home 1.509 / away 1.127. Data: 34 Nacional games / 34 Guimaraes games used (PrevSeason). Note: current-season sample is too small — prior-season data is carrying the calculation. Model confidence is reduced; treat probabilities as directional rather than precise.
Result probabilities: Nacional 53% | Draw 25% | Guimaraes 23%. Fair-value odds: Nacional 1.89 | Draw 4.00 | Guimaraes 4.35. Nacional hold a narrow Poisson edge at 53% — the draw (25%) is close enough to merit draw-inclusive market consideration.
Goals markets: Over 2.5 probability 49% | BTTS probability 50% | Total xG 2.62. Over/Under 2.5 is close to a coin-flip at 49%/51% — the total xG of 2.62 sits near the 2.5 margin; this is a low-edge market from a Poisson standpoint. BTTS probability of 50% is moderate — neither team is projected to score with enough certainty to make Yes a clear standalone call.
Analysis Verdict
On the Poisson output, Nacional are the pick at 53% — moderate model lean. With a 25% draw probability, Draw No Bet on Nacional offers a more defensible entry point than the straight win.
The Poisson model projects 2.62 xG in total — Under 2.5 at 49% — Poisson-only — limited corroboration confidence — though H2H averaging only 3.0 goals per meeting points in the other direction.
On the BTTS market, Poisson puts 50% on Yes. This conflicts with form data: Nacional 30% | Guimaraes 50% from recent games — a notable divergence.
The Poisson model is drawing on PrevSeason data (34 games minimum) — early-season projections carry additional uncertainty. Weight the live form and odds signals accordingly.
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💡 Key Insights
🏟️ Match Context
• Fixture: Nacional vs Guimaraes | Competition: Primeira Liga, Regular Season - 20 | Venue: • Kick-off: Sunday 31 Jan 2027, 16:00 UTC • Data inputs: H2H history, form splits, prediction model signals, and market pricing
📊 Statistical Prediction
• Poisson result probabilities: Nacional 53% | Draw 25% | Guimaraes 23% • Poisson goal markets: Over 2.5 49% | BTTS 50% | xG Nacional 1.64 / Guimaraes 0.98 • Poisson strength factors: Nacional attack 0.956 / def 0.954 | Guimaraes attack 0.912 / def 1.135 | league avg home 1.509 / away 1.127 • Poisson stance: Nacional (53%) — moderate lean
🎲 Betting Market Intelligence
• Odds data is not currently available for this fixture
🧮 Prediction Model
1.64
Nacional xG
Expected Goals
0.98
Guimaraes xG
50%
BTTS
74%
Over 1.5
49%
Over 2.5
27%
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 Nacional vs Guimaraes kick off?
Nacional vs Guimaraes is scheduled to kick off at 16:00 on Sunday 31 January 2027.
What competition is Nacional vs Guimaraes part of?
Nacional vs Guimaraes is a Regular Season - 20 fixture in the Primeira Liga (Portugal).
Who is favourite to win Nacional vs Guimaraes?
Our statistical model gives Nacional a 53% chance of winning, Guimaraes a 23% chance, and a 25% chance of a draw — making Nacional the favourite.
Will both teams score in Nacional vs Guimaraes?
Our model estimates a 50% probability that both Nacional and Guimaraes will score (BTTS).
Will Nacional vs Guimaraes have over 2.5 goals?
Our model puts the probability of over 2.5 goals in this match at 49%.
What is the head-to-head record between Nacional and Guimaraes?
Record (4 meetings): Nacional 1W | Draws 1 | Guimaraes 2W.
What form are Nacional and Guimaraes in?
No current-season fixtures available — form shown from previous season data. Nacional (all comps): 4W-1D-5L in 10 | 1.30 PPG | GF 0.90 / GA 0.90 | L5 W-W-L-L-W.
What do the betting odds say about Nacional vs Guimaraes?
Odds data is not currently available for this fixture.
🧮 Model Insight
How the Model Works This Match
Nacional's attacking strength (0.96x league average) is weighed against Guimaraes's defensive record (1.14x) to produce a home expected-goals figure of 1.64. The same calculation in reverse, Guimaraes's attack versus Nacional's defence, projects 0.98 expected goals for the visitors.
These ratings are built from 34/34 games of current-season data — a full enough sample to trust.
Most Likely Scorelines
The model's single most probable exact score is 1-1, at 13.2%. Close behind: 1-0 (10.4%), 2-0 (9.8%). Those top three scorelines alone account for 33% of the model's total probability mass — a relatively concentrated, predictable distribution for this fixture.
Most Likely Outcome
Nacional Win
53%
1.90
25%
4.06
23%
4.42
Top 3 Most Likely Scorelines
1 – 0
11.9%
Home win
Most likely
1 – 1
11.7%
Draw
2 – 0
9.8%
Home win
Expected Goals & Win Odds
1.64
Nacional xG
Total xG
2.62
0.98
Guimaraes xG
1.90
53%
Home win
4.06
25%
Draw
4.42
23%
Away win
Goals Markets
74%
Over 1.5
1.35
26%
Under 1.5
3.85
49%
Over 2.5
2.04
51%
Under 2.5
1.96
27%
Over 3.5
3.70
73%
Under 3.5
1.37
13%
Over 4.5
7.69
87%
Under 4.5
1.15
Match Markets
Both Teams to Score
50%
BTTS Yes
1.99
50%
BTTS No
2.01
Clean Sheet
37%
2.67
19%
5.14
Win to Nil
20%
5.06
4%
22.71
Score Probability Matrix (%)
| H \ A | 0 | 1 | 2 | 3 | 4 | 5 |
|---|---|---|---|---|---|---|
| 0 | 7.3 | 7.2 | 3.5 | 1.1 | 0.3 | 0.1 |
| 1 | 11.9 | 11.7 | 5.7 | 1.9 | 0.5 | 0.1 |
| 2 | 9.8 | 9.6 | 4.7 | 1.5 | 0.4 | 0.1 |
| 3 | 5.3 | 5.2 | 2.6 | 0.8 | 0.2 | – |
| 4 | 2.2 | 2.1 | 1.1 | 0.3 | 0.1 | – |
| 5 | 0.7 | 0.7 | 0.3 | 0.1 | – | – |
Green = home win · Grey = draw · Amber = away win · White ring = most likely score
▶ Model Internals
❓ Frequently Asked Questions
What is the most likely scoreline for Nacional vs Guimaraes?
Our Poisson model rates 1-1 as the single most likely exact scoreline, at 13.2%.
How many goals are Nacional and Guimaraes expected to score?
The model projects 1.64 expected goals for Nacional and 0.98 for Guimaraes, a combined total of 2.62.
How confident is the prediction model for Nacional vs Guimaraes?
Not very — the model's leading outcome sits at just 53%, meaning this is rated as a genuinely open contest with no dominant favourite.
📈 Form Insight
Form at a Glance
Nacional come into this having played 34 games, going 9W 7D 18L for 1.00 points per game. Their last five reads W-W-L-L-W. Nacional haven't played enough this season for a current-season-only sample, so this includes results carried over from last season.
On the other side, Guimaraes sit at 1.24 PPG from 34 outings (12W 6D 16L), a run that reads W-W-L-L-L across their last five. Guimaraes haven't played enough this season for a current-season-only sample, so this includes results carried over from last season.
Form-wise this is close to level: Nacional on 1.00 PPG, Guimaraes on 1.24. Other factors will likely decide this one more than recent results.
Venue Form
Nacional's home form reads 6W 2D 9L across 17 games on their own ground, a 1.18 PPG return.
Away from home, Guimaraes have taken 0.82 points per game from 17 outings (4W 2D 11L). That's a step down from their 1.24 PPG overall record — away form has been the weaker part of Guimaraes's season.
Goals in Recent Form
Nacional are averaging 1.09 goals scored and 1.32 conceded per game recently; Guimaraes are on 1.15 scored and 1.50 conceded.
Last 34 Results — Primeira Liga
Current season: same league only · Previous season: all leagues (covers promoted/relegated teams)
Nacional
Pre-Season
Guimaraes
Pre-Season
❓ Frequently Asked Questions
What form are Nacional and Guimaraes in coming into this match?
Nacional have gone 9W 7D 18L in their last 34 games (1.00 PPG), while Guimaraes have gone 12W 6D 16L in their last 34 (1.24 PPG).
Which team has the better venue record — Nacional at home or Guimaraes away?
Nacional's home record (1.18 PPG) is the stronger of the two venue-specific splits — Nacional at home: 1.18 PPG; Guimaraes away: 0.82 PPG.
⚔️ Rivalry Insight
Fixture History
4 meetings separate these sides on the data we hold, the series stretching back to December 2024. Every recorded meeting has come in Primeira Liga. The two were last together as recently as 16 May 2026, so this form is fresh in the memory.
Streaks & Records
Nacional's record when hosting Guimaraes specifically: 1W 0D 1L from 2 games — a narrower, venue-specific slice of the head-to-head picture.
Last 4 Meetings
1
Nacional
1
Draws
2
Guimaraes
Recent Meetings
❓ Frequently Asked Questions
What is the head-to-head record between Nacional and Guimaraes?
From 4 meetings on record, Nacional have won 1, Guimaraes have won 2, and 1 have been drawn.
When did Nacional and Guimaraes last play each other?
They last met on 16 May 2026, when Nacional 2-0 Guimaraes.
Who has won more matches between Nacional and Guimaraes?
Guimaraes have the better head-to-head record, with 2 wins from 4 meetings.
📈 Trading Insight
First-Half Patterns
Nacional see a goal before the break in 59% of their matches.
Guimaraes are typically involved in an early goal — the half-time board shows at least one in 71% of their matches.
Full-Time Trends
BTTS sits in mixed territory for this pairing — Nacional 47%, Guimaraes 29% — no strong lean either way from the trading data alone.
Over 2.5 has been close to a coin-flip for both sides — 53% (Nacional) and 35% (Guimaraes).
On the defensive side: Nacional have failed to score in 29% of games; Guimaraes in 47%.
Current season: same league only. Previous season: all leagues (covers promoted/relegated teams). All = any venue | Venue = Nacional home games / Guimaraes away games. HT metrics require half-time score data — shown as — where unavailable.
❓ Frequently Asked Questions
Do both teams usually score when Nacional play Guimaraes?
Not especially — both teams scoring has occurred in only 47% of Nacional's recent matches and 29% of Guimaraes's, a rate that leans toward BTTS No.
Is Nacional vs Guimaraes usually a high-scoring fixture?
Not particularly — Over 2.5 goals has come in for only 53% of Nacional's recent games and 35% of Guimaraes's, pointing to a tighter contest.
Do Nacional and Guimaraes tend to score early?
Nacional have had a goal before half-time in 59% of their recent matches, Guimaraes in 71% — a useful reference point for first-half goal markets.
The match report will be available once the game has finished.