Betfair Exchange horse racing feature collector for odds modeling
Project description
Betfair Studio
Collecteur de features hippiques via l'API Betfair Exchange, orienté modélisation de cotes.
Récupère pour chaque course dans la fenêtre [-20 min, +25 min] :
- Hippodromes (venues)
- Métadonnées course (going, météo, type)
- Chevaux (pedigree, forme, poids, stall)
- Jockey, trainer, owner
- Cotes back/lay live (ou delayed selon la clé API)
Les données sont stockées dans un feature store (JSON + Parquet) prêt pour un modèle ML de correction de cotes.
Installation
python -m venv .venv
source .venv/bin/activate
pip install -e ".[dev]"
Configuration
cp config/settings.example.yaml config/settings.yaml
# Éditer avec vos identifiants Betfair
Voir docs/API_KEY_SETUP.md pour créer une clé API gratuite.
Lancer le collecteur
# Une seule collecte
betfair-collector --once
# Boucle toutes les 5 minutes (défaut)
betfair-collector
# Boucle toutes les 30 secondes (après activation clé Live)
betfair-collector --interval 30
# Filtrer un autre pays
betfair-collector --country GB
Utilisation programmatique
from betfairstudio.config.settings import Settings
from betfairstudio.factory import BetfairStudio
from betfairstudio.ml.odds_predictor import BaselineOddsPredictor
settings = Settings.from_yaml("config/settings.yaml")
with BetfairStudio(settings) as studio:
snapshot, path = studio.collect_and_store()
for race in snapshot.races:
print(f"{race.venue.name} — {race.market_name} — {race.runner_count} partants")
for horse in race.runners:
back = horse.odds.best_back.price if horse.odds and horse.odds.best_back else None
print(f" {horse.name} | jockey={horse.jockey.name} | back={back}")
predictor = BaselineOddsPredictor()
if snapshot.races:
preds = predictor.predict_race(snapshot.races[0])
for p in preds:
print(p.horse_name, p.predicted_price, p.edge_pct)
Proxy
Trois modes de transport :
| Mode | Description |
|---|---|
direct |
Connexion directe à Betfair |
http_proxy |
Proxy HTTP/HTTPS classique |
relay_proxy |
Relais applicatif custom |
Voir docs/PROXY_SETUP.md.
Structure du feature store
data/feature_store/
├── snapshots/ # JSON complets (webapp)
├── parquet/ # Tables runners (ML)
│ └── runners_cumulative.parquet
└── index/
├── latest_races.json # Liste courses pour UI
└── latest_snapshot.json
Architecture
Transport (direct | http_proxy | relay_proxy)
└── SessionManager (auth)
└── BetfairClient (JSON-RPC)
└── RaceCollector
└── FeatureStore (JSON + Parquet)
└── OddsPredictor (ML)
Tests
pytest tests/ -v
Prochaines étapes
- Webapp de visualisation (liste courses → détail chevaux/features/cotes)
- Modèle ML custom remplaçant
BaselineOddsPredictor - Intégration Timeform API pour historique complet
- Passage à la clé Live pour données temps réel
Project details
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