1. BOLT
(BSC Online Trading
System)

3. INTRODUCTION
The trading on stock exchange in INDIA used to take
place through open outcry method without use of
information technology for immediate matching or
recording of trades.
This was time consuming and inefficient. This imposed
limits on trading volumes and efficiency. In order to
provide efficiency, liquidity, and transparency NSE and
BSE introduced nation wide online fully automated
“SCREEN BASED TRADING SYSTEM”

4. SCREEN BASED TRADING
NSE’s screen based trading is known as NEAT-
National exchange for automated trading.
 BSE’S screen based trading is known as BOLT-
Bombay online trading.

5. Ticker window

6. MECHANISM OF ONLINE
TRADING
BSE has main computer which is connected
through “VERY SMALL APERTURE
TERMINAL”(VSAT) installed at its office.
THE main computer runs on a fault tolerant
“STRATUS” mainframe computer at the
exchange. Brokers have terminals installed at
their premises which are connected through
VSATS.

7. HOW TO PLACE ORDER
An investor informs broker to place an order on
his behalf. The broker enters the order through
his PC, which runs under windows NT and
sends signal to the satellite via VSAT. The signal
is directed to mainframe computer at BSE via
VSAT at BSE’s office. A message relating to the
order activity is broad casted to respective
member.

8. To enter a buy order

9. BASIS OF OPERATION
The online trading operates on the strict basis of
PRICE PRIORITY and
TIME PRIORITY

10. HOW TO ENTER SELL ORDER
Same as the process involved in the placing of the
buy order.

11. To enter a Sell order

12. LOGGING ON
On starting BOLT application, the logon screen
appears with the following details.
 USER ID
 TRADING MEMBER ID
 PASSWORD
 NEW PASSWORD

13. TERMINOLOGIES OF ONLINE
TRADING
 Snap quote:- feature available to get
instantaneous market information on a desired
security.
 Active and Passive orders:- when any order
enters the trading system, it is an active order. It
tries to find a match on the other side of books.
If it finds a match trade is generated, if does not
finds match it turns to passive order which is
stored in order book.

14. MOVEMENT TIME FREEZED
 Circuit breakers:- Started
implementing 10% PRIOR 1pm 1 HOUR
compulsorily from July AFTER 1pm ½ HOUR
02, 2001. The circuit
15% PRIOR 1pm 2 hours
breakers will be operated AFTER 1pm- 1 hour
2pm
at the three stages of AFTER 2pm Freezed for the
INDEX movement, day
either way viz at 10%,
15%, 20%.
20% ANY TIME FREEZED FOR
THE DAY

15. Market By Price

16. Order Book
Ord Book- Pending traded canceled

17. Trade Book

19. PPT
By
Aaryendr