"A CALL."

A privilege to buy a certain number of shares at a given price within a certain space of time.

"A PUT."

A privilege to sell a certain number of shares at a fixed price within a given period of time.

"A SPREAD."

When an operator buys or sells both a "put" and a "call."

"ON CURB."

The private dealings made outside the Exchanges. A curb-stone broker is a familiar figure and carries on his business every day in Wall Street.

"INSIDERS."

There are two classes of Wall Street men known as "insiders." One is a class which is really inside. Officials of Corporations, of banks and Trust Companies and wealthy financiers who really control the properties dealt in the Exchanges are really "insiders." They control the market, but never give out under any circumstances any information, and in most cases they do not know themselves just what they are going to do from one day to the next.