Trading portal means a space where we go for trading.there are many trading portal which give us service of trading account and online trading common are such india bulls,icici,mahendra kotek,and many small and big company which give us such service of trading portal
how it work ??
when you open trading account on any portal.portal give a account through which you login to website and go for trading. make sure you choose good portal for trading. actually these portal charge some rupee or paisa per trading choose that portal that charge small money from you.A broker who simply fills buy or sell orders is not a trader, as they are merely executing instructions given to them. Traders are either professionals working in a financial institution or a corporation, or individual investors, or day traders. They buy and sell financial instruments traded in the stock markets, derivatives markets and commodity markets, comprising the stock exchanges, derivatives exchanges and the commodities exchanges. A stock broker or stockbroker is a regulated professional broker who buys and sells shares and other securities through market makers or Agency Only Firms on behalf of investors.

A transaction on a stock exchange must be made between two members of the exchange — an ordinary person may not walk into the New York Stock Exchange (for example), and ask to trade stock. Such an exchange must be done through a broker.
There are three types of stockbroking service.
* Execution-only, which means that the broker will only carry out the client's instructions to buy or sell.
* Advisory dealing, where the broker advises the client on which shares to buy and sell, but leaves the final decision to the investor.
* Discretionary dealing, where the stockbroker ascertains the client's investment objectives and then makes all dealing decisions on the client's behalf.A broker who simply fills buy or sell orders is not a trader, as they are merely executing instructions given to them. Traders are either professionals working in a financial institution or a corporation, or individual investors, or day traders. They buy and sell financial instruments traded in the stock markets, derivatives markets and commodity markets, comprising the stock exchanges, derivatives exchanges and the commodities exchanges. Several categories and designations for diverse kinds of traders are found in finance, these may include:A stock broker or stockbroker is a regulated professional broker who buys and sells shares and other securities through market makers or Agency Only Firms on behalf of investors.