Evergreen education
Understand Spreads, Moneylines, Totals, why a half-point matters, Lookahead lines, line shopping and why you can't bet yesterday's line today.
Price and Execution
A stale betting line is an older sportsbook quote that may no longer reflect the currently available market. The label requires a timestamped comparison and an availability check.
Read articleSharpFish Research Desk · 3 min
Market Prices & Execution
A consensus line summarizes quotes from multiple sportsbooks at one checkpoint. The calculation method and included books matter, and the result may not be an available offer.
Read articleSharpFish Research Desk · 4 min
NFL Market Intelligence
An NFL odds timestamp identifies when a quote was updated, received or observed. Readers must know which clock a label represents before comparing prices.
Read articleSharpFish Research Desk · 4 min
Market Prices & Execution
No-vig probability rescales the implied percentages from every side of one market so they total 100%. It is a market-price normalization, not a forecast.
Read articleSharpFish Research Desk · 3 min
Other NFL Markets
An NFL team total applies an over/under to one team’s points. It is a quoted market, not the same thing as a game total or a calculated implied team total.
Read articleSharpFish Research Desk · 3 min
Line Movement
NFL total line movement is a change in an over/under threshold, its attached price, or both. Valid comparisons keep the game, period, sportsbook and time aligned.
Read articleSharpFish Research Desk · 3 min
Betting Basics
A quick visual guide to NFL point spreads, including favorites, underdogs, attached prices, covering, pushes, half-points, ATS and why winning the game is not the same as covering.
Read articleSharpFish Research Desk · 3 min
Betting Basics
A quick explanation of NFL key numbers and why spreads around 3 and 7 deserve extra attention.
Read articleSharpFish Research Desk · 2 min
Line Movement
First Observed by SharpFish is the earliest eligible quote SharpFish retained. It is not automatically a sportsbook’s original opening line.
Read articleSharpFish Research Desk · 2 min
NFL Market Intelligence
An NFL odds timestamp identifies when a quote was updated, received or observed. Readers must know which clock a label represents before comparing prices.
Read articleSharpFish Research Desk · 4 min
Price and Execution
Explains why the same spread can carry different attached prices at different sportsbooks and shows the practical difference between +3 (-102) and +3 (-115).
Read articleSharpFish Research Desk · 1 min
Price and Execution
A visual explanation of how one half-point can change the settlement of an NFL spread, especially around important margins.
Read articleSharpFish Research Desk · 2 min
Price and Execution
A concise explanation of why the time you see an NFL spread matters just as much as the team attached to it.
Read articleSharpFish Research Desk · 2 min
Price and Execution
A practical guide to comparing complete NFL sportsbook quotes instead of assuming every book is offering the same position.
Read articleSharpFish Research Desk · 2 min
SharpFish Education
A plain-English explanation of what SharpFish watches, what an Alert means and why customers do not need to stare at sportsbook screens all week.
Read articleSharpFish Research Desk · 3 min
Market Prices & Execution
Ticket share and money share describe a provider’s sample. Learn how coverage, timing and methodology limit what NFL betting percentages can tell you.
Read articleSharpFish Research Desk · 3 min
Market Prices & Execution
An alternate spread changes the scoring handicap and carries its own price. Learn how to distinguish another quote from a move in the main line.
Read articleSharpFish Research Desk · 2 min
Market Prices & Execution
Convert a hypothetical American price into implied probability, then see why the result includes pricing margin and is not a forecast.
Read articleSharpFish Research Desk · 2 min
Market Prices & Execution
Vig, juice and sportsbook margin describe the cost built into quoted odds. Here is how to read it without confusing price with the point spread.
Read articleSharpFish Research Desk · 2 min
Market Prices & Execution
No-vig probability rescales the implied percentages from every side of one market so they total 100%. It is a market-price normalization, not a forecast.
Read articleSharpFish Research Desk · 3 min
Price and Execution
A stale betting line is an older sportsbook quote that may no longer reflect the currently available market. The label requires a timestamped comparison and an availability check.
Read articleSharpFish Research Desk · 3 min
Market Prices & Execution
A consensus line summarizes quotes from multiple sportsbooks at one checkpoint. The calculation method and included books matter, and the result may not be an available offer.
Read articleSharpFish Research Desk · 4 min
NFL Market Intelligence
NFL line movement is a change in the spread or attached price over time. See how betting lines move, why point spread movement matters, and what a move cannot tell you by itself.
Read articleSharpFish Research Desk · 2 min
NFL Market Intelligence
Opening, current and closing lines identify stages of an NFL market. Keep the sportsbook, spread, price and timestamp attached at every stage.
Read articleSharpFish Research Desk · 4 min
Line Movement
A sportsbook can change the point spread, the attached price, or both. These changes affect a quote in different ways.
Read articleSharpFish Research Desk · 2 min
Line Movement
NFL total line movement is a change in an over/under threshold, its attached price, or both. Valid comparisons keep the game, period, sportsbook and time aligned.
Read articleSharpFish Research Desk · 3 min
NFL Lookahead Markets
NFL Lookahead lines are future-week sportsbook prices available before the normal game-week market fully develops. Learn how to interpret early spreads, timestamps, availability and later movement.
Read articleSharpFish Research Desk · 3 min
Other NFL Markets
An NFL moneyline asks which team wins outright. Learn how favorite and underdog prices work and why a moneyline is different from a point spread.
Read articleSharpFish Research Desk · 2 min
Other NFL Markets
Calculate a market-derived score pair from a game total and spread, then see why it differs from a forecast or a sportsbook team-total market.
Read articleSharpFish Research Desk · 2 min
Other NFL Markets
An NFL game total concerns the teams’ combined score. See how over, under, whole numbers, half-points and attached prices work.
Read articleSharpFish Research Desk · 2 min
Other NFL Markets
First-half and second-half NFL lines cover distinct scoring periods. Each needs its own quote, attached price, timestamp and settlement rules.
Read articleSharpFish Research Desk · 4 min
Other NFL Markets
An NFL team total applies an over/under to one team’s points. It is a quoted market, not the same thing as a game total or a calculated implied team total.
Read articleSharpFish Research Desk · 3 min
Quick Answer
-110 is an American odds price. It means you would typically risk $110 to win $100 in profit. The original stake is also returned when the wager wins.
Read articleSharpFish Research Desk · 1 min
Quick Answer
+3 means the NFL team is receiving three points for purposes of grading the point spread. The team can win outright or lose by fewer than three and still cover.
Read articleSharpFish Research Desk · 1 min
Quick Answer
-3.5 means the NFL favorite is giving three and a half points. The favorite must win the game by at least four points for a -3.5 ticket to cover.
Read articleSharpFish Research Desk · 1 min
Quick Answer
To cover the spread means your selected team finished on the winning side of the point-spread calculation. Covering is different from simply winning the game.
Read articleSharpFish Research Desk · 1 min
Quick Answer
A push occurs when the final result lands exactly on the betting line. The wager has no winner or loser, and the original stake is generally returned.
Read articleSharpFish Research Desk · 1 min
Quick Answer
The hook is betting slang for the half-point in a spread. In -3.5 or +3.5, the .5 is the hook.
Read articleSharpFish Research Desk · 1 min
Quick Answer
NFL ATS means “against the spread.” It measures whether a team covered the listed point spread, which is different from whether the team won the game outright.
Read articleSharpFish Research Desk · 1 min
Quick Answer
In an NFL point spread, the minus sign marks the favorite giving points. The plus sign marks the underdog receiving points.
Read articleSharpFish Research Desk · 1 min
Quick Answer
NFL betting lines move because sportsbooks update their markets. New information, betting activity, risk positions, broader market changes, weather, and timing can all contribute.
Read articleSharpFish Research Desk · 1 min
Quick Answer
NFL Lookahead lines may appear before the current week’s games are played. There is no single universal release time: availability varies by sportsbook, matchup, and market conditions.
Read articleSharpFish Research Desk · 1 min
Quick Answer
Closing line value compares the full quote available when a position was taken with the market near kickoff. It measures price or number movement, not whether one wager won.
Read articleSharpFish Research Desk · 2 min
Quick Answer
Reverse line movement describes a line moving against the side receiving a reported majority of bets. The label depends on the quality, scope, and timing of the percentage data.
Read articleSharpFish Research Desk · 2 min
Quick Answer
+110 is a positive American-odds price. A winning $100 stake produces $110 in profit and returns $210 total, including the original stake.
Read articleSharpFish Research Desk · 2 min
Quick Answer
A pick’em or PK spread gives neither team points. The side simply needs to finish ahead under the sportsbook’s grading rules.
Read articleSharpFish Research Desk · 2 min
Quick Answer
Off the board means a market is not currently available at that sportsbook. An earlier quote should not be treated as current while no actionable quote is shown.
Read articleSharpFish Research Desk · 2 min
Observed sportsbook quotes, with market and timing context.
