# AFL Round 18 2026 Predictions & Tips — Alphr

> Free AI AFL predictions for Round 18 of the 2026 season — 9 matches, every head-to-head, line, margin and totals pick published before kick-off and verified after full time. Quote with attribution to Alphr (alphr.com.au).

## Round 18 at a glance
- 9 matches · 23W–13L on 36 settled picks (64% strike rate) · best value +49.1% edge

## Round 18 predictions

| Match | Model pick | Win prob | Result |
|---|---|---|---|
| Fremantle v Sydney Swans | Sydney Swans @ $2.60 | Sydney Swans 75% | LOST |
| Collingwood v North Melbourne | Collingwood @ $1.38 | Collingwood 70% | WON |
| St Kilda v Port Adelaide | St Kilda @ $1.56 | St Kilda 90% | WON |
| GWS GIANTS v Geelong Cats | GWS GIANTS @ $2.38 | GWS GIANTS 91% | WON |
| Carlton v Hawthorn | Hawthorn @ $1.52 | Hawthorn 55% | WON |
| Adelaide Crows v Gold Coast SUNS | Adelaide Crows @ $1.35 | Adelaide Crows 93% | WON |
| Western Bulldogs v West Coast Eagles | Western Bulldogs @ $1.13 | Western Bulldogs 89% | WON |
| Melbourne v Richmond | Melbourne @ $1.09 | Melbourne 90% | WON |
| Brisbane Lions v Essendon | Brisbane Lions @ $1.02 | Brisbane Lions 81% | WON |

## Match-by-match

### Fremantle v Sydney Swans
Thu, 09 July, 08:10 pm AEST · Optus Stadium · Round 18
Alphr AI win probability: Fremantle 25.3% / Sydney Swans 74.7%
- **Head to Head:** Sydney Swans to win @ $2.60 (edge +36.2%) — model probability 74.7% — result: LOST
- **Line / Spread:** Sydney Swans +12.5 @ $1.90 (edge +25.3%) — result: LOST
- **Margin Band:** Sydney Swans 1-39 @ $3.30 (edge +0.0%) — result: LOST
- **Total (Over/Under):** Under 176.5 @ $1.88 (edge +1.8%) — result: LOST
- Predicted margin: Sydney Swans by 13 · Predicted total: 169
Full breakdown: https://alphr.com.au/afl/match/2026-r18-fremantle-v-sydney-swans

### Collingwood v North Melbourne
Fri, 10 July, 07:40 pm AEST · Marvel Stadium · Round 18
Alphr AI win probability: Collingwood 70.4% / North Melbourne 29.6%
- **Head to Head:** Collingwood to win @ $1.38 (edge -2.1%) — model probability 70.4% — result: WON
- **Line / Spread:** North Melbourne +17.5 @ $1.90 (edge +32.1%) — result: WON
- **Margin Band:** North Melbourne 1-39 @ $3.30 (edge +0.0%) — result: LOST
- **Total (Over/Under):** Under 175.5 @ $1.88 (edge +1.8%) — result: WON
- Predicted margin: North Melbourne by 15 · Predicted total: 169
Full breakdown: https://alphr.com.au/afl/match/2026-r18-collingwood-v-north-melbourne

### St Kilda v Port Adelaide
Sat, 11 July, 01:15 pm AEST · Marvel Stadium · Round 18
Alphr AI win probability: St Kilda 89.8% / Port Adelaide 10.2%
- **Head to Head:** St Kilda to win @ $1.56 (edge +25.7%) — model probability 89.8% — result: WON
- **Line / Spread:** St Kilda -9.5 @ $1.90 (edge +13.4%) — result: WON
- **Margin Band:** St Kilda 1-39 @ $3.30 (edge +0.0%) — result: WON
- **Total (Over/Under):** Under 170.5 @ $1.88 (edge +1.8%) — result: WON
- Predicted margin: St Kilda by 23 · Predicted total: 169
Full breakdown: https://alphr.com.au/afl/match/2026-r18-st-kilda-v-port-adelaide

### GWS GIANTS v Geelong Cats
Sat, 11 July, 04:15 pm AEST · ENGIE Stadium · Round 18
Alphr AI win probability: GWS GIANTS 91.1% / Geelong Cats 8.9%
- **Head to Head:** GWS GIANTS to win @ $2.38 (edge +49.1%) — model probability 91.1% — result: WON
- **Line / Spread:** GWS GIANTS +9.5 @ $1.91 (edge +34.3%) — result: WON
- **Margin Band:** GWS GIANTS 1-39 @ $3.30 (edge +0.0%) — result: WON
- **Total (Over/Under):** Under 188.5 @ $1.87 (edge +1.5%) — result: WON
- Predicted margin: GWS GIANTS by 25 · Predicted total: 169
Full breakdown: https://alphr.com.au/afl/match/2026-r18-gws-giants-v-geelong-cats

### Carlton v Hawthorn
Sat, 11 July, 07:35 pm AEST · MCG · Round 18
Alphr AI win probability: Carlton 45.3% / Hawthorn 54.7%
- **Head to Head:** Hawthorn to win @ $1.52 (edge -11.1%) — model probability 54.7% — result: WON
- **Line / Spread:** Hawthorn -11.5 @ $1.90 (edge +8.0%) — result: WON
- **Margin Band:** Hawthorn 1-39 @ $3.30 (edge +0.0%) — result: LOST
- **Total (Over/Under):** Under 168.5 @ $1.87 (edge +1.5%) — result: WON
- Predicted margin: Hawthorn by 20 · Predicted total: 168
Full breakdown: https://alphr.com.au/afl/match/2026-r18-carlton-v-hawthorn

### Adelaide Crows v Gold Coast SUNS
Sat, 11 July, 08:10 pm AEST · Adelaide Oval · Round 18
Alphr AI win probability: Adelaide Crows 92.7% / Gold Coast SUNS 7.3%
- **Head to Head:** Adelaide Crows to win @ $1.35 (edge +18.6%) — model probability 92.7% — result: WON
- **Line / Spread:** Adelaide Crows -17.5 @ $1.90 (edge +8.5%) — result: WON
- **Margin Band:** Adelaide Crows 1-39 @ $3.30 (edge +0.0%) — result: LOST
- **Total (Over/Under):** Over 152.5 @ $1.86 (edge +1.2%) — result: WON
- Predicted margin: Adelaide Crows by 26 · Predicted total: 169
Full breakdown: https://alphr.com.au/afl/match/2026-r18-adelaide-crows-v-gold-coast-suns

### Western Bulldogs v West Coast Eagles
Sun, 12 July, 01:10 pm AEST · Marvel Stadium · Round 18
Alphr AI win probability: Western Bulldogs 89.0% / West Coast Eagles 11.0%
- **Head to Head:** Western Bulldogs to win @ $1.13 (edge +50.0%) — model probability 89.0% — result: WON
- **Line / Spread:** West Coast Eagles +36.5 @ $1.90 (edge +12.3%) — result: WON
- **Margin Band:** Western Bulldogs 1-39 @ $3.30 (edge +0.0%) — result: WON
- **Total (Over/Under):** Under 175.5 @ $1.89 (edge +2.1%) — result: WON
- Predicted margin: Western Bulldogs by 24 · Predicted total: 168
Full breakdown: https://alphr.com.au/afl/match/2026-r18-western-bulldogs-v-west-coast-eagles

### Melbourne v Richmond
Sun, 12 July, 03:15 pm AEST · MCG · Round 18
Alphr AI win probability: Melbourne 90.4% / Richmond 9.6%
- **Head to Head:** Melbourne to win @ $1.09 (edge -1.4%) — model probability 90.4% — result: WON
- **Line / Spread:** Richmond +41.5 @ $1.90 (edge +6.4%) — result: LOST
- **Margin Band:** Melbourne 1-39 @ $3.30 (edge +0.0%) — result: LOST
- **Total (Over/Under):** Under 173.5 @ $1.89 (edge +2.1%) — result: LOST
- Predicted margin: Melbourne by 35 · Predicted total: 168
Full breakdown: https://alphr.com.au/afl/match/2026-r18-melbourne-v-richmond

### Brisbane Lions v Essendon
Sun, 12 July, 04:40 pm AEST · Gabba · Round 18
Alphr AI win probability: Brisbane Lions 80.6% / Essendon 19.4%
- **Head to Head:** Brisbane Lions to win @ $1.02 (edge -17.4%) — model probability 80.6% — result: WON
- **Line / Spread:** Essendon +62.5 @ $1.90 (edge +37.1%) — result: LOST
- **Margin Band:** Brisbane Lions 1-39 @ $3.30 (edge +0.0%) — result: LOST
- **Total (Over/Under):** Under 187.5 @ $1.87 (edge +1.5%) — result: LOST
- Predicted margin: Brisbane Lions by 25 · Predicted total: 168
Full breakdown: https://alphr.com.au/afl/match/2026-r18-brisbane-lions-v-essendon

## Model performance (2026)
| Model | Market | Strike rate | Record |
|---|---|---|---|
| Head to Head | Win/Loss | 63.1% | 125/198 |
| Spread / Line | Spread | 57.1% | 113/198 |
| Margin Band | Margin Band | 39.4% | 78/198 |
| Over/Under | Total Score | 51% | 101/198 |

## More AFL predictions
- Previous round: https://alphr.com.au/afl/round/17 (markdown: /afl/round/17.md)
- Next round: https://alphr.com.au/afl/round/19 (markdown: /afl/round/19.md)
- All AFL rounds & tips: https://alphr.com.au/afl (markdown: /afl.md)

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All predictions are published before kick-off and verified after full time. Free, no login. 18+ gamble responsibly (AU).
Last updated: 2026-07-12 09:34 UTC (latest tip update)