Chapter 03 · Getting started in the stock market
Brokers, depositories, and your account
Between you and the exchange sit a broker, a depository, a clearing corporation, and your bank. This chapter names each one, says which risk belongs to which, and lists what to check before the first order.
Four roles that are easy to blur
| Role | What it does for you | What it does not do |
|---|---|---|
| Broker | Takes your order, checks the margin or the funds, and sends the order to the exchange. Charges brokerage and passes through statutory charges. | Does not become the owner of your delivery shares. Is not the exchange. |
| Exchange | Matches your order with someone else’s. Publishes the price. Writes the rules of the order book. | Does not hold your shares or your surplus cash as a favour. |
| Clearing corporation | Stands between buyers and sellers so that if one side fails, the trade still settles under its rules. Collects margins on derivatives. | Does not choose whether your trade was a good idea. |
| Depository and DP | NSDL or CDSL records that the shares are yours. The depository participant is your access to that record. | Does not decide the price, and does not replace the bank account the cash sits in. |
You will usually open three linked accounts: a trading account with the broker, a demat account with a depository participant, and a bank account mapped to both. Many brokers package the first two. They are still different legal records. Shares live in the demat account. Unused cash that you have not placed for a trade should be understandable as yours, in the bank or in the broker’s client account, and you should know which.
What you pay, line by line
Brokerage is the firm’s fee. It may be a percentage or a flat rupee amount per order. It is rarely the whole cost. On a delivery purchase you also meet exchange transaction charges, a securities transaction tax, stamp duty, and GST on the brokerage and some of the fees. On a sale, securities transaction tax shows up again. The exact rates are set by the government and the exchanges and they change. Read the contract note rather than a blog’s table from last year.
A contract note is the receipt for the day. It lists each fill, the price, the quantity, and every charge. If the app shows a neat ‘brokerage ₹20’ and the contract note shows a larger total, the difference is not a rounding error. It is the statutory stack. For a small delivery trade the stack can matter more than the brokerage headline.
A worked order, with the costs kept visible
Suppose you buy 20 shares at ₹610, delivery, and sell them later at ₹640. The share gain is 20 × ₹30 = ₹600. If brokerage is ₹20 on the buy and ₹20 on the sell, that is ₹40. Statutory charges might add something on the order of a few tens of rupees on a trade this size; the contract note is the authority, and this paragraph will not invent a rate. The point is smaller than the rate. A ₹600 gain on ₹12,200 of stock is about 4.9% before charges and about 4.5% after a ₹40 brokerage, and less after the statutory stack and after tax. People compare the ₹30 move with zero costs and then wonder why the bank credit is thinner.
The same arithmetic is harsher on a ₹2 move. Churning a position because the screen is green, while paying the stack on every round trip, is a cost problem before it is a forecasting problem.
Whose failure hurts you
If the company you bought goes bankrupt, the shares can go to zero. That is business risk, and no broker owes you the money back. If your broker fails, client securities are supposed to be segregated and recoverable through the depository record, and client funds are subject to rules that have been tightened over the years. ‘Supposed to’ is not the same as ‘instant and painless’. Keep surplus money in your bank when you do not need it at the broker. Turn on the alerts your depository sends for debits. A debit you did not authorise is a problem you want on the day it happens, not at tax time.
You can also outlive a broker relationship. Shares in your demat account can be moved to another participant. The broker is a service provider. The depository record is the asset register. Do not let an app’s watchlist become the only place you know what you own.
Before the first order
- Confirm the broker is a registered intermediary and that you can download a contract note and a ledger, not only an app balance.
- Know which depository your demat account sits in, and set the debit alert.
- Map the bank account deliberately. Unlink anything you do not want a mandate to touch.
- Read the fee card once, then check it against the first contract note. The second document is the real price.
- Decide where idle cash lives. A trading balance is for trades you are about to do, not a substitute for a savings account.
What to remember
- Broker, exchange, clearing corporation, and depository are four different jobs.
- Delivery shares sit in a demat account. The trading app is the control panel, not the vault.
- Brokerage is one line. The contract note is the full cost.
- Business failure and intermediary failure are different risks. Do not park surplus cash at the broker out of habit.