Float
Float is the number of shares the public can trade. It is neither today's volume nor the authorized capital. Not advice.
Three different figures
Authorized capital is how many shares the company is allowed to issue. Shares outstanding are the ones already issued. Float is, in principle, the part the public can trade, outside blocks that do not circulate.
Today's volume is how many shares changed hands. High volume does not mean the float is high.
Why the figure moves
A low float means few shares circulate. The same order then moves the price farther, up or down. A higher float absorbs more orders before the price stretches.
The figure has a date. Between the filing and this morning, the company may have issued shares, securities may have unlocked, or a large holder may have sold. Two sources that do not date from the same document do not describe the same thing.
This is not financial advice.
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