Betfair Market Data: Prices & Liquidity

Quick answer: In Match Charting Project WTA data (~4,257 charted matches, ~91k service games), games that reach 15–40 are broken about 81% of the time; 0–40 about 90%; 30–40 only about 66%. A single break-point point is still won by the returner under half the time (~45%). For the classic 15–40 tennis trading strategy, that supports trading the game outcome — not scalping the next point. Watch doors live on the Tennis Trader Board. Counts only — not tips. ...

Quick answer: Create a free Telegram bot with @BotFather, buy a Live Tennis API Ultra key (10% off with checkout code botblog), clone tennis-trader-alerts, put two secrets in .env, run python -m app, then /start the bot and toggle 0–40 / 15–40. This is not a Betfair betting bot. It does not place bets. Scores are informational — not tips. If you only want a second-screen board at the desk, use the free Tennis Trader Board instead (no key). ...

Quick answer: A 15–40 alert on the Tennis Trader Board is a live score state, not a result. To see how often the server held after 15–40 or 0–40, fetch GET /history/matches/{id}?sequence=clean, find those point strings on the server/receiver slots, then walk forward until the nested games arrays change. One match is a demo. Clay vs hard needs a loop of completed ids, grouped by match.surface. Not tips — counts only. ...

Quick answer: The model win % on the Tennis Trader Board is a score-state baseline — it knows the set, game and point score and who serves. Betfair odds price in everything else too. The gap between the two is a diagnostic, not a signal. Use it to spot where model and market disagree, then apply your own reading of the match. Run it yourself: the Tennis Trader Board is open source — source on GitHub. It needs a Live Tennis API Ultra key (code botblog) for real-time push. ...

Quick answer: You will install free Python on your PC, create a small project folder, save a secret API key, run one short script to list live matches, then run a second script so your browser shows a personal tennis scoreboard (formatted sets, games, points — not raw API lists). No coding experience required — copy, paste, and follow the steps in order. If you only want live scores next to Betfair today, skip the build and open our free tennis trader board instead. ...

For decades, the passionate roar of a British crowd, the thwack of leather on willow, and the thundering hooves at Aintree were experiences felt, not measured. Betting was a pastime built on gut instinct, loyalty to a team, and the tip from a mate in the pub. It was romantic, but it was also, fundamentally, a gamble. Then, the digital age arrived, and with it, a silent, relentless revolution. The introduction of in-play betting, the sophistication of online exchanges like Betfair, and the voracious appetite of a new breed of participant—the sports trader—ushered in a new currency: data. ...