Prediction Audit: Guyana vs Cayman Islands Prediction, Odds & AI Betting Tips

Guyana

Sep 27, 2026 - 19:00

2 1.43

0 1.17

xG Accuracy: 62%

Cayman Islands

AI correctly predicted the Guyana win.

The match finished 2–0, validating the model's directional assessment.

Tracked markets vs full-time result

Prediction grade B-

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

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

Model vs Closing Market

Outcome	Model	Closing Market	Difference	Signal
Guyana	41.4%	86.6%	-45.2 pp	Market Higher
Draw	29.4%	9.1%	+20.2 pp	Model Edge
Cayman Islands	29.2%	4.2%	+25.0 pp	Model Edge

The closing market estimates Guyana's win probability at 86.6%, compared with the model's estimate of 41.4%, a difference of 45.2 percentage points. This highlights a disagreement between the model and market consensus, without indicating which view is ultimately correct.

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 (Guyana win 2–0).

Post Match Insights

What worked

Under 2.5 goals aligned with the xG profile
Exact score 2–0 fell within the model's highlighted bins

What failed

Both Teams To Score: model leaned BTTS Yes; match finished BTTS No

Market lesson

Large model–market gaps do not automatically mean the market is right. Here the closing market priced Guyana higher (86.6% vs model 41.4%, 45.2 pp), but the model's lean was validated (Guyana win 2–0).

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Prediction Timeline

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

Sep 27, 2026 · 18:59 UTC Forecast generated
- Model 1X2 · Guyana 41.4% · Draw 29.4% · Cayman Islands 29.3%
- xG · Guyana 1.43 — Cayman Islands 1.17
Sep 27, 2026 · 18:31 UTC Opening odds snapshot PRE30
- 1X2 odds · Guyana 1.07 · Draw 10.14 · Cayman Islands 21.95
- Implied 1X2 · Guyana 86.6% · Draw 9.1% · Cayman Islands 4.2%
- Bookmaker · Pinnacle
Sep 27, 2026 · 18:59 UTC Closing snapshot recorded PRE1
- 1X2 odds · Guyana 1.07 · Draw 10.14 · Cayman Islands 21.95
- Implied 1X2 · Guyana 86.6% · Draw 9.1% · Cayman Islands 4.2%
- Bookmaker · Pinnacle
Sep 27, 2026 · 19:00 UTC Kickoff
FT Full-time result Guyana win · 2–0
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: Cautious / Wait

Historical label: Originally displayed as "Wait for validation".

Historical Decision Wait

Outcome Validated

Pre-match metrics (historical context)

Prediction Reliability 26/100 · Low

Validation: Fail
Large market gap (45 pp)

Evidence ★★★★★

No strong statistical edge
Market strongly disagrees on price
Validation failed

Pricing proximity (inverse gap) 0/100

Monitoring Confidence 7/100

Validation Report

Immutable Snapshot

Prediction Time: Sep 21, 2026 · 02:22 UTC Snapshot ID: dp-10110864

Closing Odds 1.07

AI Fair Odds —

CLV Pending

Final Result Guyana win · Guyana 2–0 Cayman Islands

Prediction ✔ Correct

Decision Grade B-

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

Model favours Guyana; market prices Guyana instead — inputs may be missing or stale.

Model: Guyana 1.43 xG vs Cayman Islands 1.17 → Guyana 41.4%
Market: Guyana ~86.6% implied
Validation failed — do not treat 1X2 EV as actionable.

Do not act on 1X2 value until validation passes. Structural leans (O/U, BTTS) need separate odds review.

Structural lean (model): O/U 2.5 Under 2.5 (Under 2.5 51.8% · Over 2.5 48.2%); BTTS Yes (Yes 54.1% · No 45.9%) Value lean (pricing): O/U 2.5 Under 2.5; BTTS Yes

Historical Recommendation

Historical Decision: Wait

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 29, 2026 (UTC)

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