Portsmouth vs Derby prediction & probabilities (2026-09-01)

Championship

Portsmouth vs Derby Over / Under 2.5 Goals

2026-09-01 · 19:45
Over / Under 2.5 Goals50.2%Over 2.5 goals

Result

Portsmouth 0-2 Derby
1 goals before half-time (Portsmouth 0, Derby 1)
✕ Over 2.5✓ Under 3.5✓ Yes

We called Over 2.5 at 50.2% and it missed. We called Under 3.5 at 71.8% and it landed. We called Yes at 72.2% and it landed (1 in the match).

Best predictionOver 2.5 goals · 50.2%Close to a coin-flip, barely a lean. Calibrated, not a tip.
50%

model probability

ConvictionLean

Expert AI analysis

The headline read is Over 2.5 goals at 50.2%, its strongest read on the Over / Under 2.5 Goals market. It is driven by both attacks and defences: Portsmouth have averaged 1.8 scored and 1.6 conceded, Derby 1.4 and 2.2 over their recent games. That fits a balanced goals environment: 50.2% for over 2.5 and 75.4% for at least two goals. Their last 4 meetings have averaged 2.8 goals a game. Portsmouth have gone over 2.5 in 4 of their last 5, Derby in 5 of 5. These are the model’s own calibrated numbers, not betting advice.

Over / Under 2.5 Goals

★ ModelOver 2.550.2%

Under 2.549.8%

Total goals, every line

Line Over Under
0.5 goals 92.5% 7.5%
1.5 goals 75.4% 24.6%
2.5 goals 50.2% 49.8%
3.5 goals 28.2% 71.8%
4.5 goals 13.5% 86.6%
5.5 goals 5.5% 94.5%

Team goal lines

Portsmouth over 0.5

75.6%

Portsmouth over 1.5

41.2%

Portsmouth over 2.5

17.0%

Derby over 0.5

71.8%

Derby over 1.5

36.2%

Derby over 2.5

13.6%

First-half goals

Line Over Under
0.5 goals 72.2% 27.8%
1.5 goals 36.7% 63.3%
2.5 goals 13.9% 86.1%

Second-half goals

Line Over Under
0.5 goals 76.6% 23.4%
1.5 goals 42.6% 57.4%
2.5 goals 18.0% 82.1%

Goals distribution

The model’s probability for the total number of goals, the shape behind every goals market. The 5+ bar groups every result with five or more goals.

7.5%

0

17.1%

1

25.2%

2

22.0%

3

14.8%

4

12.9%

5+

In-depth analysis

39.8%Favoured: Portsmouth
54.9%Both Teams to Score
50.2%Over 2.5 goals

Looking at totals, the model sees 50.2% for three or more goals and 75.4% for at least two, painting a balanced picture. With Portsmouth favoured at 39.8%, a close contest often produces chances at both ends.

Every figure is the model’s own calibrated read, not advice. We grade every call after the match.

Model lenses

Different analytical lenses our model applies to the same calibrated data, not separate tipsters, and never a tip.

The CalibratorRaw model read: 50.2% on Over / Under 2.5 Goals, graded against real out-of-sample results, no odds attached.
The TacticianReads a balanced game from the 50.2% over 2.5 read.
The ScoutPortsmouth are the model’s pick on the result at 39.8%, context for how the goals may flow.
The RealistThis one sits near a coin-flip, the honest read is low conviction, no strong lean.

Match outlook

Portsmouth39.8%

Draw27.0%

Derby33.2%

The model leans Portsmouth to win. See the full prediction →

Form & head-to-head

PortsmouthWDLWL
DerbyWLLDL

Last 4 meetings: Portsmouth 0 · 2 draws · Derby 2 · 2.8 goals/game.

Recent trends

PortsmouthBTTS 5/5Over 2.5 4/5
DerbyBTTS 4/5Over 2.5 5/5

How often both teams scored and the match went over 2.5 in each side’s recent games.

FAQ

Were there over 2.5 goals in Portsmouth vs Derby?
We rated Over 2.5 goals at 50.2%. The match finished with 2 goals (0-2), under 2.5.

How is this probability calculated?
We fit a goals and markets model (Dixon-Coles plus an xG strength model and an ensemble) on real match data, then calibrate the output against out-of-sample results. It is a calibrated model probability, not an odds-derived tip.

Is this a betting tip?
No – these are calibrated model probabilities, graded against real results. We publish our full track record, including the misses, and never claim to beat the closing market.

Over / Under 2.5 Goals accuracy

How our Over / Under 2.5 Goals calls have actually performed, graded out-of-sample against real results.

55.6%Best Over / Under 2.5 Goals call, hit rate
0.0201Calibration error
55,318Matches graded

In 18,212 matches we rated like this one (50–60%), Over / Under 2.5 Goals actually happened 53.9% of the time.

Predictions & track record updated 13 Sep 2026. See the full, dated track record →

Our last 10 Over / Under 2.5 Goals calls

The model’s most recent graded Over / Under 2.5 Goals predictions, out-of-sample. Green means the call hit, red means it missed. The number is the model confidence on each.

✓ 51.4%✗ 53.4%✗ 62.5%✓ 53.8%✓ 58.7%✗ 52.9%✓ 54.8%✓ 58.9%✓ 66.0%✗ 58.8%
6 of 10 recent calls hit.
Estrela vs Sp Braga2026-09-10Over 51.4%Hit
Panathinaikos vs Kifisia2026-09-10Under 53.4%Miss
Twente vs Telstar2026-09-09Over 62.5%Miss
Moreirense vs Benfica2026-09-09Over 53.8%Hit
Derby vs West Brom2026-09-09Under 58.7%Hit

More Championship, Over / Under 2.5 Goals

All Over / Under 2.5 Goals predictions →

Related

Model probabilities, calibration-graded, not a tip. We publish our track record, including the misses. 18+. For information only, not betting advice. If gambling is a problem, visit BeGambleAware.