Arbitrage Leg
Q: What is an arbitrage leg? A: An arbitrage leg is one individual bet inside a complete arbitrage strategy, such as one Over 2.5 price from one bookmaker.
Read detailsWiki
A bilingual glossary for football betting, odds, arbitrage, hedging, backtesting, and bankroll management.
Arbitrage Strategy
Q: What is an arbitrage strategy? A: An arbitrage strategy uses price differences across markets to buy and sell related positions at the same time, trying to lock in a relatively certain return.
Read detailsBacktesting
Q: What is backtesting? A: Backtesting means putting a football quant rule back into historical matches, historical odds, and historical results to judge whether the strategy may have a stable edge.
Read detailsBet Limit
Q: What is a bet limit? A: A bet limit is the maximum or minimum amount a bookmaker allows on a market, and it directly limits the executable size of an arbitrage strategy.
Read detailsBetting Exchange
Q: What is a betting exchange? A: A betting exchange is a betting platform where users trade directly with each other, while the platform provides matching and charges commission.
Read detailsBetting Rule Mapping
Q: What is betting rule mapping? A: Betting rule mapping converts football betting markets into a unified settlement table, showing whether each bet fully wins, half wins, pushes, half loses, or fully loses under each score.
Read detailsBitcoin
Q: What is Bitcoin? A: Bitcoin is the first successfully operating decentralized digital currency, using blockchain and proof of work to support peer-to-peer value transfer.
Read detailsBookmaker Margin
Q: What is bookmaker margin? A: Bookmaker margin is the pricing mechanism that adjusts odds so the sum of implied probabilities exceeds 100%, embedding long-term profit directly into the odds.
Read detailsBookmaker Rebate
Q: What is a bookmaker rebate? A: A bookmaker rebate is a partial return based on betting turnover; in a strategy it can raise the effective return, but only if it is stable and actually payable.
Read detailsChina Sports Lottery
Q: What is China Sports Lottery football betting? A: It is a legal sports-lottery football betting market in China and one of the core markets SoccerQuant uses to discuss odds, backtesting, bankroll management, and quant strategy.
Read detailsCorrect Score
Q: What is correct score? A: Correct score asks the bettor to predict the exact final score of a football match.
Read detailsCoverage Mask
Q: What is a coverage mask? A: A coverage mask is a bit representation of which score states a leg covers, used to speed up candidate combination filtering.
Read detailsData Lineage
Q: What is data lineage? A: Data lineage keeps the source IDs, quote time, snapshot batch, and validation status behind a strategy result so the signal can be audited.
Read detailsExecution Risk
Q: What is execution risk? A: Execution risk is the risk that a theoretical arbitrage fails during real betting because odds move, limits change, or only part of the strategy is executed.
Read detailsExpected Value
Q: What is expected value? A: Expected value is the average gain or loss of a random event over repeated execution, and it is the core measure for judging whether a football bet has long-term investment value.
Read detailsForced Liquidation
Q: What is forced liquidation? A: Forced liquidation is a risk-control mechanism where an exchange or broker closes a leveraged position without the investor's consent when margin is no longer enough to absorb losses.
Read detailsForeign Exchange Trading
Q: What is foreign exchange trading? A: Foreign exchange trading is the exchange and trading of currencies, and in professional football betting quant work it affects cross-currency arbitrage, capital-pool cost, and long-term fund allocation.
Read detailsFull Result Coverage
Q: What is full result coverage? A: Full result coverage means a group of legs has at least one positive-return leg in every score state in the model.
Read detailsFutures Trading
Q: What is futures trading? A: Futures trading is a market for standardized contracts on future price changes, where margin and leverage can improve capital efficiency while also magnifying gains and losses.
Read detailsHalf Win and Half Loss
Q: What are half win and half loss? A: They are split settlements in Asian handicaps, where half of the stake is settled one way and the other half another way.
Read detailsHalf-Time/Full-Time Result
Q: What is half-time/full-time result? A: It asks the bettor to predict both the half-time result and the full-time result.
Read detailsHandicap Moneyline
Q: What is handicap moneyline? A: It is a football bet type where a pre-match handicap is applied before judging win, draw, or loss.
Read detailsHedging
Q: What is hedging? A: Hedging uses an opposite or related position to reduce price or outcome risk; in football betting, it usually means placing another bet to reduce exposure from an existing one.
Read detailsHigh-Score Bucket
Q: What is a high-score bucket? A: A high-score bucket compresses low-frequency high scores such as 6 or more goals into one state, keeping the model finite.
Read detailsHistory of Quantitative Investing
Q: What is quantitative investing? A: Quantitative investing uses mathematics, statistics, and computing to build systematic models for investment decisions, from portfolio theory to multifactor models, high-frequency trading, and machine learning.
Read detailsInstitutional Quant Objective Function Variable
Q: What is an institutional quant objective function variable? A: It means that individual trading behavior, capital, order direction, and risk preference can become input variables in an institution model that optimizes return, risk, and liquidity.
Read detailsKelly Formula
Q: What is the Kelly formula? A: The Kelly formula is a bankroll management method that uses true probability and odds to calculate a theoretical staking fraction.
Read detailsLiquidity Exhaustion
Q: What is liquidity exhaustion? A: Liquidity exhaustion happens when there is not enough available buying or selling interest, so large orders must accept worse prices, hit limits, or fail to execute.
Read detailsMarket Line
Q: What is a market line? A: A market line is the settlement boundary of a market, such as Over/Under 2.5, Asian Handicap -0.25, or a one-goal handicap.
Read detailsMartingale Strategy
Q: What is the Martingale strategy? A: The Martingale strategy increases the next stake after a loss. It can reshape the bankroll curve, but it cannot turn a negative expected value strategy into a positive one.
Read detailsMatching Trading
Q: What is matching trading? A: Matching trading is an execution model where a platform automatically pairs buy orders and sell orders according to rules such as price priority and time priority.
Read detailsMixed Parlay
Q: What is a mixed parlay? A: A mixed parlay combines multiple selections, sometimes across different bet types or matches, into one ticket.
Read detailsMoneyline
Q: What is moneyline? A: It is the basic football bet type that asks only whether the home team wins, the match draws, or the home team loses.
Read detailsNonnegative Linear Combination
Q: What is a nonnegative linear combination? A: It combines payout vectors using stake ratios that are not below zero, which matches the fact that real bets cannot have negative stake.
Read detailsOdds
Q: What are odds? A: Odds combine price and probability in football betting. They define payout and imply the market's probability view of a result.
Read detailsPareto Principle
Q: What is the Pareto Principle? A: The Pareto Principle, also called the 80/20 rule, describes how a small minority often controls most resources, output, or value.
Read detailsPayout Matrix
Q: What is a payout matrix? A: A payout matrix lists how every betting leg settles under every score state, so the model can test whether a group covers all outcomes.
Read detailsPayout Vector
Q: What is a payout vector? A: A payout vector is one betting leg settlement sequence across all score states; it is one row of the payout matrix.
Read detailsProbability Edge
Q: What is probability edge? A: Probability edge is the ability to estimate the true probability of an event more accurately than the market, creating positive expected value over repeated trades.
Read detailsPush
Q: What is a push? A: A push happens when the market result lands exactly on the line, so the stake is returned with no profit or loss.
Read detailsQuantitative Strategy
Q: What is a quantitative strategy? A: A quantitative strategy turns betting or investment judgment into repeatable rules, then tests those rules with data, backtesting, odds, and bankroll management.
Read detailsQuote Freshness
Q: What is quote freshness? A: Quote freshness measures how recent an odds quote is, and helps filter stale prices that may create false arbitrage signals.
Read detailsRespond Without Predicting
Q: What does respond without predicting mean? A: Respond without predicting is a trading philosophy that does not try to guess the future, but reacts to market information through predefined rules and risk controls.
Read detailsReturn Multiplier
Q: What is a return multiplier? A: A return multiplier says how much is returned for each 1 unit staked under a score state, usually including the original stake.
Read detailsScore State
Q: What is a score state? A: A score state is one discrete match result used in the model, such as 0:0, 1:0, or 2:1.
Read detailsSettlement Scope
Q: What is settlement scope? A: Settlement scope defines which part of a match a market uses for settlement, such as 90 minutes, first half, extra time, or penalties.
Read detailsSlippage
Q: What is slippage? A: Slippage is the difference between the intended execution price and the actual execution price, usually caused by price movement, insufficient liquidity, or execution delay.
Read detailsStake Allocation
Q: What is stake allocation? A: Stake allocation divides total bankroll across legs according to odds and payout structure so that returns under different outcomes are as even as possible.
Read detailsStock Market
Q: What is the stock market? A: The stock market is a financial market where companies raise capital by issuing shares, and investors trade ownership stakes to participate in changes in company value.
Read detailsTotal Goals
Q: What is total goals? A: Total goals asks the bettor to predict the total number of goals scored by both teams.
Read detailsValue Investing Strategy
Q: What is a value betting strategy? A: A value betting strategy looks for bets where the mathematical expectation implied by the odds is higher than the estimated true probability threshold.
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