Prediction Audit: Charlton Athletic U21 vs Sheffield United U21 Prediction, Odds & AI Betting Tips

Charlton Athletic U21

Sep 22, 2026 - 12:00

3 1.32

1 1.28

xG Accuracy: 58%

Sheffield United U21

AI correctly predicted the Charlton Athletic U21 win.

The match finished 3–1, validating the model's directional assessment.

Tracked markets vs full-time result

Prediction grade F

Each row compares the pre-match model lean to the full-time result.

Market Prediction Result Outcome
Over / Under 2.5 Under 2.5 Over 2.5 (4 goals) ✖ Incorrect
Both Teams To Score BTTS No Yes ✖ Incorrect
1X2 Charlton Athletic U21 Charlton Athletic U21 ✔ Correct
Correct Score Insights 1-1, 1-0, 0-1, 2-1, 1-2 3-1 ✖ Incorrect

Model vs Closing Market

Outcome	Model	Closing Market	Difference	Signal
Charlton Athletic U21	36.1%	37.1%	-1.0 pp	Aligned
Draw	29.6%	25.0%	+4.7 pp	Aligned
Sheffield United U21	34.2%	37.9%	-3.6 pp	Aligned

The model and closing market are broadly aligned, with probability differences below 5 percentage points.

Model probabilities are generated from the statistical xG model using a Poisson distribution. Closing market probabilities are derived from consensus closing 1X2 odds after margin removal. Values represent implied probabilities rather than betting recommendations. Closing snapshot: PRE1.

After full time, the model's directional lean matched the result (Charlton Athletic U21 win 3–1).

Market Assessment

The market and model are broadly aligned. Any small pricing gap likely reflects rounding or bookmaker margin, not a structural disagreement.

Current pricing remains close to the model baseline.

Post Match Insights

What worked

Expected goals projected a high-scoring match (ΣxG 2.60) — 4 goals materialised

What failed

Both Teams To Score: model leaned BTTS No; match finished BTTS Yes
Over / Under 2.5: model leaned Under 2.5; match finished Over 2.5 (4 goals)

Market lesson

The model's directional lean matched the full-time result (Charlton Athletic U21 win 3–1).

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Prediction Timeline

How this prediction moved from forecast to full-time review.

Sep 22, 2026 · 11:59 UTC Forecast generated
- Model 1X2 · Charlton Athletic U21 36.1% · Draw 29.7% · Sheffield United U21 34.2%
- xG · Charlton Athletic U21 1.32 — Sheffield United U21 1.28
Sep 22, 2026 · 11:29 UTC Opening odds snapshot PRE30
- 1X2 odds · Charlton Athletic U21 2.47 · Draw 3.67 · Sheffield United U21 2.42
- Implied 1X2 · Charlton Athletic U21 37.1% · Draw 25.0% · Sheffield United U21 37.9%
- Bookmaker · Pinnacle
Sep 22, 2026 · 11:59 UTC Closing snapshot recorded PRE1
- 1X2 odds · Charlton Athletic U21 2.47 · Draw 3.67 · Sheffield United U21 2.42
- Implied 1X2 · Charlton Athletic U21 37.1% · Draw 25.0% · Sheffield United U21 37.9%
- Bookmaker · Pinnacle
Sep 22, 2026 · 12:00 UTC Kickoff
FT Full-time result Charlton Athletic U21 win · 3–1
FT Prediction validated Directional lean matched full-time result
Archived Prediction review

Historical Snapshot

Frozen at kickoff — the model output as it stood before the match started.

Historical verdict: Monitor

Historical Decision Monitor

Outcome Validated

Pre-match metrics (historical context)

Prediction Reliability 77/100 · High

Validation: Pass

Evidence ★★★★★

No strong statistical edge
Direction agrees with model lean
Validation passed

Market Compatibility 26/100

Monitoring Confidence 34/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 16, 2026 · 02:24 UTC Snapshot ID: dp-8986917

Closing Odds 3.67

AI Fair Odds —

CLV Pending

Final Result Charlton Athletic U21 win · Charlton Athletic U21 3–1 Sheffield United U21

Prediction ✔ Correct

Decision Grade F

Model Performance

This prediction contributes to:

Primary Bets ROI (180d): -100.0%

Review FAQ

How accurate was the prediction?: This page grades directional markets (1X2, Over/Under 2.5, BTTS) against the full-time result. The prediction grade reflects how many of those tracked markets matched reality.
What does xG Accuracy measure?: xG Accuracy compares the model's pre-match expected-goals profile to the actual scoreline — not whether every market hit. A strong directional review can coexist with a moderate xG accuracy score.
Why wasn't the exact score predicted?: Correct-score outcomes are low-probability tails even when the model reads the match profile well. We highlight top score bins for context; missing the exact line does not invalidate a directional review.
Does this improve the AI record?: Each finished match is logged in our validation pipeline. Aggregated hit rates and CLV studies are published separately — this page is the per-match audit trail.

Predictions are for informational purposes only. Always gamble responsibly and within your limits. Past performance does not guarantee future results.

AI match briefing

AI Match Summary

Below is a compact, numbers-first snapshot aligned with the same engine as the cards above.

League: Professional Development League
Fixture: Charlton Athletic U21 vs Sheffield United U21
Kickoff: 2026-09-22 12:00:00
1X2 (model): Home 36.1% · Draw 29.7% · Away 34.2%
xG (showing): Charlton Athletic U21 1.32 — Sheffield United U21 1.28 (total xG ≈ 2.6)
Best +EV line (same label as hero card when Primary thresholds are not met): Under 2.5 goals
Model: 51.8% · Implied: 31.9% · Probability edge: +19.9 pts · Est. EV: +68.3%
BTTS (model): Yes 54.5% · No 45.5%
Correct score (top bin): 1-1 (12.5%)

Totals and BTTS are evaluated against current market prices where available.

Early match state can move realised goals away from pre-kick projections.

Historical Recommendation

Historical Decision: Monitor

Outcome: Validated — Pre-match lean validated against the full-time result.

Risk Factors Considered Before Kickoff

Price movement: implied probabilities and EV move with odds.
Sample / data gaps: low-information leagues widen forecast bands.
In-play state: goals and red cards are not modelled here.
Scoreline variance: the most likely scoreline is still usually a low absolute probability outcome (often well below 20%).

Last Updated

September 30, 2026 (UTC)

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Professional Development League — Standings

#	TEAM	MP	W	D	L	PTS
1	Bolton Wanderers Res.	5	5	0	0	15
2	Bristol City U21	5	2	3	0	9
3	Swansea City U21	6	3	0	3	9
4	Fleetwood Town U21	5	3	0	2	9
5	Cardiff City U21	5	2	2	1	8
6	Sheffield United U21	5	2	1	2	7
7	Barnsley U21	5	2	1	2	7
8	Peterborough United U21	4	2	1	1	7
9	Sheffield Wednesday U21	5	1	3	1	6
10	Huddersfield Town U21	3	2	0	1	6
11	Charlton Athletic U21	5	1	3	1	6
12	Wigan Athletic U21	6	1	3	2	6
13	Colchester United U21	5	2	0	3	6
14	Coventry City U21	4	1	1	2	4
15	Queens Park Rangers U21	6	1	1	4	4
16	Hull City U21	3	0	1	2	1
17	Millwall U21	3	0	0	3	0

#	TEAM	MP	GS	GC	+/-	PTS
1	Bolton Wanderers Res.	5	17	2	+15	15
2	Wigan Athletic U21	6	15	19	-4	6
3	Cardiff City U21	5	13	5	+8	8
4	Bristol City U21	5	13	8	+5	9
5	Colchester United U21	5	13	18	-5	6
6	Swansea City U21	6	11	9	+2	9
7	Barnsley U21	5	11	13	-2	7
8	Queens Park Rangers U21	6	11	16	-5	4
9	Charlton Athletic U21	5	9	8	+1	6
10	Coventry City U21	4	9	10	-1	4
11	Sheffield Wednesday U21	5	8	6	+2	6
12	Peterborough United U21	4	8	11	-3	7
13	Huddersfield Town U21	3	7	5	+2	6
14	Sheffield United U21	5	7	7	0	7
15	Fleetwood Town U21	5	6	10	-4	9
16	Hull City U21	3	4	9	-5	1
17	Millwall U21	3	2	8	-6	0