See where the number opened, and where it sits now.
Every game line and player prop we price gets recorded from the first number of the morning through the last capture before the games start. You see the open, the current price, how far it travelled, and which book is serving it. Football, basketball, and baseball markets are treated the same way as each season comes around.
Two numbers hold everything between them
- Open and now, side by side: the first price we caught this morning sits next to the price on the screen right now, for every market on the board.
- Move size in comparable terms: shifts are measured in percentage points of the no-vig price, so a move on a heavy favorite and a move on a longshot can be ranked against each other honestly.
- The book behind the number: each row names the book serving that price, and it says so when the best number changed hands during the day.
- Broken lines flagged, not hidden: when a quote switches sides, the open and the current price stop describing the same wager, so those rows are marked rather than charted as a move.
- Separate boards: game lines and player props each get their own board, filterable by market and by window, from the full day down to the last few hours.
A row reads open, now, move
Direction, size, and what caused it
A move has a direction and a size. Direction is simply which way the price went: the over getting more expensive means money and news have pushed that way, and the under getting cheaper is the same story told from the other side. Size is how far it went, and that is where raw odds mislead people. Twenty cents on a coin flip is a much bigger change in implied probability than twenty cents on a longshot, so moves here are measured in percentage points of the no-vig price instead.
The cause is usually one of two things. It is either information, such as a confirmed lineup or inactives list, a late scratch, or weather at an outdoor venue, or it is money, where a book shades a number to balance its exposure. Player props are especially sensitive to the first kind, because a receiver ruled out, a batter moving up in the order, or a starter pushed back a day can reprice a market in minutes.
One honest caveat is worth stating plainly. Movement is not a verdict, because it tells you the market changed its mind and by how much, not whether the new number is right. Read it next to a projection, and treat a move as context rather than a signal on its own.
Line movement, answered
What is line movement?
Line movement is the change in a betting market between the moment it opens and any later point in the day. A price that opens at one number and trades at another has moved, and the direction of that move tells you which side the market has been taking.
Why do odds move during the day?
Odds move for two broad reasons. Either new information arrives, such as a confirmed lineup, an injury report, a late scratch, or a weather change, or money arrives and a book shades the price to balance what it is holding. Most days you see a mix of both.
What does the opening line tell you?
The opening number is the market's first public estimate before the day's money and news land on it. Comparing it to the current price shows the whole day's story in two numbers, which is why openers are worth recording rather than remembering.
How is the size of a move measured?
Moves are shown in percentage points of the no-vig price rather than in raw American odds. That keeps a shift from -110 to -130 comparable to a shift from +250 to +200, which raw odds would make look wildly different in size.
What does it mean when a line breaks?
A broken line is one where the quote switched sides, so the opening price and the current price no longer describe the same wager. Those are flagged rather than charted as a normal move, because comparing them directly would be misleading.
Which sports and markets are tracked?
Game lines cover the moneyline, the spread (the run line in baseball), and the total. On today's baseball boards, pitcher props cover strikeouts and the other starter markets, and batter props cover hits, runs, RBI, home runs, total bases, and the combined hits plus runs plus RBI market. Football and basketball markets get the same treatment as those seasons come around.
How often are prices captured?
Prices are captured on a schedule through the day, from the morning open until the last games start. Each capture records the current number and the book serving it, so the day builds into a continuous record rather than a single snapshot.
Does a big move mean it is a good play?
No. A move tells you the market changed its mind and roughly how much, and it does not tell you whether the new number is right. Movement is context to read alongside a projection, not a signal on its own.
Follow today's moves as they happen
Game lines and player props are tracked from this morning's opener to the number on the screen right now.