HKJC Odds — Race-Day Market Movements, Refreshed Hourly

• One row per odds movement, on HKJC's own update clock, polled about every 1-2 minutes on race days
• Win, Place, Quinella, Quinella Place, Forecast, Trio, First Four and Double, plus HKJC's top-20 and banker lists for Tierce and Quartet
• Rolling 24-month window, refreshed hourly on race days
• Deeper archive (Win and Place back to December 2021, exotic pools back to October 2024) as a one-off snapshot

• Track odds movements to identify market patterns
• Build machine learning models for odds prediction
• Analyse betting market efficiency across pool types

SELECT race_date, race_number, odds_type, combination, odds_value, snapshot_timestamp
FROM hkjc_odds_combinations
WHERE race_date = '2026-09-16' AND venue_code = 'HV' AND race_number = 1 AND odds_type = 'WIN'
ORDER BY snapshot_timestamp DESC, combination
LIMIT 10

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