The first time you look at a stock quote, it can feel like the dashboard of a plane. There are numbers everywhere, a couple of colors, and no obvious order. But every one of those figures answers a plain question about the stock, and the questions are simpler than they look. Let us take them one at a time, using a made-up company we will call Riverstone, trading somewhere around fifty dollars.
The price, and why it is never quite 'the' price
The big number at the top is the last traded price. It is the price at which the most recent share changed hands, and it updates constantly through the day. It is worth remembering that this is a snapshot of the last deal, not a fixed value. A second later, another trade might happen a penny higher or lower. So when someone asks what Riverstone costs, the honest answer is: about fifty dollars, as of the last trade.
The change and the percent change
Right next to the price you will usually see two numbers, often colored green or red. The first is the change in dollars since yesterday's close, and the second is that same change written as a percentage. If Riverstone closed yesterday at 50.00 and now trades at 51.00, the change is plus one dollar, or plus two percent.
The percentage is the more useful of the two, because it lets you compare moves fairly. A one dollar gain sounds identical on two stocks, but a one dollar move on a fifty dollar stock is two percent, while the same dollar on a five hundred dollar stock is only two tenths of a percent. Percentages put every stock on the same footing.
Previous close: the starting line
The previous close is the final price from the last full trading day. It is the reference point for today's change. Because prices can move overnight while the market is shut, a stock can open at a different price than it closed, and the day's change is still measured from that previous close. If Riverstone closed at 50.00 and opens at 52.00 on good news, it is already up two dollars before a single second of the new day's trading has passed.
The day's range: high and low so far
The day range shows the lowest and highest prices the stock has touched since trading opened today. If Riverstone shows a day range of 50.50 to 51.80, it means that at some point it dipped to 50.50 and at another point spiked to 51.80. This tells you how jumpy the day has been. A narrow range is a calm day. A wide range means buyers and sellers are disagreeing loudly.
The 52-week range: the year in one line
Zoom out from the day and you get the 52-week range: the lowest and highest price over the past year. This is one of the most useful fields for a beginner, because it gives instant context. If Riverstone's 52-week range is 32.00 to 68.00 and it trades at 51.00 today, you can see at a glance that it sits roughly in the middle of its yearly journey, well off the highs and well above the lows.
Volume: how much conviction is behind the move
Volume is the number of shares that have traded during the day. On its own the raw number means little, but compared to a stock's normal daily volume it says a lot. A big price move on unusually high volume suggests real conviction, with many people acting on the same idea. The same move on thin volume is less convincing and can reverse easily. Volume is the difference between a crowd and a handful of people.
Putting a full quote together
Now read Riverstone as a whole. It trades at 51.00, up two percent from a previous close of 50.00, ranging between 50.50 and 51.80 today, sitting mid-pack in a 52-week range of 32 to 68, on volume a bit heavier than usual. In one breath: a solid up day, nothing extreme, with slightly more interest than normal. That is the entire point of a quote. It is a compact status report, and now you can read it fluently.