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TRADING AND SETTLEMENTMECHANISM AT STOCK
EXCHANGES IN INDIA, INDICES
CONSTRUCTION
GROUP - 9
Abhay Goenka
Mitesh Saini
Prashant SinghRahul Gupta
Shalove Chaudhary
Sanjeet Singh
Saurav Kumar
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HOW ARE STOCKS TRADED IN STOCK
EXCHANGES?
Investors who wish to trade have to channel theirtrade at exchanges through a stockbroker who isa member of that exchange.
Stock exchanges have Corporate membershipgiven out for brokerage services.
Specific criterion for a broker-ship net-worth,education, experience of promoters, track recordetc.
Brokers maintain a suitable security depositalong with annual membership fees.
Brokers act as agents to trade in securities (for acommission), may also act on their own accountand risk.
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HOW ARE STOCKS TRADED IN STOCK
EXCHANGES?
De-materialised shares came in 1993. Also
earlier practice was that of Open Outcry System,
which is now replaced by Electronic Trading.
Trading hours for stock 9.00 am to 3.30 pm. BSE & NSE offer fully computerised screen
based trading: BOLT (BSEs On line Trading
system), NEAT (National Exchange for
Automated Trading). Both system uses V-Sat.
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TERMINOLOGIES:
Open position implies a bought or sold position
Trade, Settlement, Bid, Ask (Offer), Tick size,
Bid-Ask Spread
Cash Market- buy shares if one has adequatemoney or sell if one owns the stock.
1. Delivery based- delivery of share certificates and
the payment for the purchase is made before the
settlement date.2. Non-Delivery based- Day trading
Margin trading buying of shares possible
without having required money, or sell shares
without owning them
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MARGIN TRADING
One can buy shares by paying only a part of the totalvalue of the shares as margin, while the rest isfinanced by the broker. Example: For a marginamount of Rs. 100000 one can borrow another Rs.
100000 (50 % margin) from the broker at an interestof say 1 percent for every two days, (the brokerhimself borrows from banks or RBI registered NBFC)
One can also borrow stocks from the broker for a feeand sell it = SHORT SELLING.
SEBI stipulates that only Corporate Brokers with anet worth of more than Rs. 30 million or may carryout margin trading on behalf of their clients.
Daily margin, ad hoc margin, special margin,volatility margin, carry forward margin, etc.
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MAINTENANCE MARGIN WITH DECREASE IN
MARKET VALUE FOR A LONG POSITION ON DAY
T+1
Margin available on account of
Initial Margin
35% of Rs. 50 x
200 shares
Rs. 3500
Loss arising due to decline in share
price
(Rs. 50 37.50) x
200 shares
Rs. 2500
Effective available margin Rs. 1000
Required margin (35% of worth) 0.35 x Rs. 37.50 x
200 shares
Rs. 2625
Additional margin required/ margin
call amount
Rs. (2625 1000)
= Rs. 1625
Margin available after the margin call Rs. 2625
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MAINTENANCE MARGIN WITH INCREASE IN
MARKET VALUE FOR A LONG POSITION ON DAY
T+2
Margin available Rs. 2625
Gain due to increase in
share price
(Rs. 42.5 Rs. 37.5) x
200 shares
Rs. 1000
Effective available
margin
Rs. 3625
Required margin 0.35 x 42.5 x 200 shares Rs. 2975
Excess margin the
investor can withdraw
Rs. (3625 2975)
= Rs. 650
Margin available after
withdrawal
Rs. 2975
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MAINTENANCE MARGIN WITH INCREASE IN
MARKET VALUE OF SHORT POSITION ON DAY
T+1
Margin available Rs. 7875
Loss arising due to
increase in share price
(Rs. 250- Rs. 225) x 100
shares
Rs. 2500
Effective available
margin
Rs. ( 7875 2500)
= Rs. 5375
Required margin (35%) 0.35 x Rs. 250 x 100
shares
Rs. 8750
Additional margin
required/ margin call
amount
Rs. 3375
Margin available after
the margin call
Rs. 8750
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MAINTENANCE MARGIN WITH DECREASE IN
MARKET VALUE FOR A SHORT POSITION OF DAY
T+2
Margin available 0.35 x Rs. 250 x 100
shares
Rs. 8750
Gain due to decrease in
share price
Rs. (250 220) shares Rs. 3000
Effective available
margin
Rs. (8750 + 3000)
= Rs. 11750
Required margin 0.35 x Rs. 220 x 100 Rs. 7700
Excess margin the
investor can withdraw
Rs. 4050
Margin available after
withdrawal
Rs. 7700
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IMPORTANCE OF MARGIN TRADING
In its present form addresses some of the ills of
old Badla system.
Enables investors to trade in greater volumes
provides liquidity to the securities It provides more competitive trades.
Helps generate very active secondary market.
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SETTLEMENT
Settlement is the process that involves transfer
of money from the buyer to the seller and the
transfer of securities from the seller to the buyer
on the settlement date.
Rolling settlement a settlement mechanism
where the trades completed on a particular day
are settled after a given number of days. T+2
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GROSS BASIS OR NET BASIS OF SETTLEMENT
Transaction
on Monday
Sale
value
Purchase
value
Settlement on
Wednesday
pay-in of
exchange
Pay-out of
stock
exchange
Sold 40 shares
of xyz ltd. at Rs.
235.75
Rs. 9430
Bought 75
shares of xyz
ltd. at Rs. 231.
Rs. 17325
Gross Basis 40 shares of xyzand
Rs. 7895
75 shares ofxyz ltd
Net basis Rs. 7895 35 Shares of
xyz ltd.
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PROCESS
If the shares are held in Demat form, the settlement
will take place on a net basis since the buy and sell
positions are in the same script. By Wednesday 11.00
am, the pay in of Rs. 7895 is required and at 3.30 pm
on the same day, the stock exchange will pay out 35shares of xyz ltd to the broker in favour of the client.
When the broker receives the shares from the
exchange he may update the clients demat account
accordingly, or if the delivery is in physical form, send
it to the Registrar and Transfer Agent of the company
for effecting a change in ownership. In case of de-
materialised or de-matted trades, these changes are
also reflected in the electronic databases maintained
by the NSDL & CDSL.
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CIRCUIT BREAKERS
Circuit breakers or Trading Halts are imposed by
stock exchanges to limit trading in wildly volatile
shares. It halts the trading when the price
fluctuates beyond a certain range otherwise
market may get overheated in either direction,
and may result in potential havoc.
Circuit breakers available on Individual stocks
(filters) or Market- wide (index-linked circuit
breakers)
SEBI mandates not only the circuit breakers for
indices but also the duration of the trading halt.
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INDEX WIDE CIRCUIT LIMIT
Applies at 3 stages of the index movement, either way viz. at 10%, 15% and
20%. Brings a coordinated trading halt in all equity and equity derivativemarkets nationwide. The market-wide circuit breakers are triggered bymovement of either the BSE Sensex or the NSE S&P CNX Nifty, whichever isbreached earlier.
For10% movement of either of these indices - a one-hour market halt if before1:00 p.m.
In case the movement takes place at or after 1:00 p.m. but before 2:30 p.m. -trading halt for hour.
In case movement takes place at or after 2:30 p.m. - no trading halt at the 10%level and market shall continue trading.
If market hits 10% before 1 p.m. then as explained there would be a one hourhalt in trading and after resumption of trade in case if the market hits 15% ineither index, then there shall be a two-hour halt.
If the 15% trigger is reached on or after 1:00p.m. but before 2:00 p.m., - a one-hour halt.
If the 15% trigger is reached on or after 2:00 p.m. the trading shall halt for theremaining part of the day.
If the market fails to resume at 10% then the next limit is placed at 15% andfinally at 20%.
In case if market fails to resume from 15% and if it hits 20% irrespective of thetime, the trading shall be halt for remaining part of the day.
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STOCK WISE CIRCUIT LIMITS AND THEIR
IMPORTANCE
Both NSE and BSE have implemented the circuit limit systemon the stocks. They have applied the stock wise circuit limitsystem at four levels i.e. 2%, 5%, 10% and 20%.
Circuit limits like any other concept have both pros and cons.On the positive side, with the presence of circuit filters, the
traders/investors fear of erosion of wealth is not rapid whencompared to not having circuit limits. However, it may not betrue with in all the cases. Many times, the stock might see arise due to announcement of any corporate action. In that case,the rise of stock beyond a limit might be genuine but still, dueto application of this limit the trading in stock is held.
The need for circuit-filters can be questioned on severalgrounds. For instance, empirical evidence on the effectivenessof price limits, circuit-breakers and trading halts isambiguous. But in the case of specific situations where it isclear that the equilibrium value of the asset will change, thenit makes no sense to have circuit breakers.
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OTHER MEASURES TO CURB SPECULATION
Trade to trade segment where no day trading isallowed.
Discipline on Companys Insiders as to how todisseminate information (use of EDIFAR-
electronic data and information filling system),discipline imposed for personal transactions byinsiders.
Imposing higher margins than usually permitted.
Use of MAPIN (Market participant and investordatabase) to trace the trades ahead of anypublic announcement of activities relating to acompany and check if they can be connected toany insider.
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TYPES OF ORDER:
Three categories of Order:
1. Time Related Conditions Day order, Good Till
Cancelled (GTC), Good till Date (GTD),
Immediate Or Cancel (IOC)2. Price Related Condition Limit (Ceiling or
Floor), Market and Stop- Loss Order (Trigger
price & Limit Price).
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GROUPING OF SHARES AND DEBENTURES
Category Nature of security Specific nature
A Ordinary shares of companies with large
capital base, shareholder base, high
volume, high dividends and good growth
record
Margin trading and
day trading is
allowed
B1 Ordinary shares of companies having lessliquidity
Cash trading & daytrading only
B2 Ordinary shares other than A & B1 Cash trading only
C Physical shares of A, B1, B2 Delivery based only
T Those under watch by BSE surveillance
committee
Delivery based only
Z Ordinary shares not conforming to certain
requirement
Delivery based only
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INDICES
Index is a number that helps to measure the
movement of the market against a benchmark
index, taken as 100, on a base year.
Sensex and Nifty are calculated using Marketcapitalization method. Every index is associated
with a base year. Base date for Sensex is 1stApril
1979, and for Nifty is 1stApril 1995. however
sensex came into existence only on 1st January
1986 when its value was computed at 598.53.
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INDEX MAINTENANCE:
Index maintenance: Base market capitalization needsto be adjusted for issue of bonus and rights issues.
New base market capitalization =
Old base market capitalization X
New market capitalization
Old market capitalization
Adjustments for Rights Issues
Adjustments for Bonus Issue
Other IssuesBase Market capitalization Adjustment is alsorequired when new shares are issued by way ofconversion of debentures, mergers, spin-offs etc. orwhen equity is reduced by way of buy-back of shares,corporate restructuring etc
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THANK YOU