Trading Basics
Bollinger bands
A technical indicator developed by John Bollinger.
The bands help a trader visualise changes in price volatility.
Other Trading Basics
Call
An option that gives the purchaser the right, but not the obligation, to buy a security at a certain price.
Book Value
A valuation of something using its net assets on the balance sheet.
A very rough way of valuing an asset because it ignores the intangibles.
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