Price Plus Volume
Price tells you what happened; volume tells you how much to believe it.
VolumeThe number of shares or contracts traded in a period. is the number of sharesA unit of ownership in a company. traded in a period — the bars usually shown beneath the price chart. Price tells you what happened (it went up or down); volumeThe number of shares or contracts traded in a period. tells you how much conviction was behind it. Reading them together is one of the most reliable habits in technical analysisStudying price and volume to forecast moves..
- Rising price + rising volumeThe number of shares or contracts traded in a period. — healthy, confirmed move; demand is real.
- Rising price + falling volumeThe number of shares or contracts traded in a period. — a warning; the rally is running on fumes and may stall.
- A breakoutWhen price decisively pushes through a support or resistance level. on a big volumeThe number of shares or contracts traded in a period. spike — far more credible than one on quiet volumeThe number of shares or contracts traded in a period..
- A sharp move on huge volumeThe number of shares or contracts traded in a period. after a long trendThe prevailing direction of price: up, down or sideways. — can signal a climax/exhaustion (everyone who wanted in is now in).
What counts as “high” volume?
It’s relative — compare the period’s volume to that stock’s own recent average (many charts show an average-volume line). A bar well above its average is “high” for that stock; comparing raw volume across different stocks is meaningless because they trade in very different sizes.