Title: Do you use Stop Losses – investors be warned
1- Do you use Stop Losses
- investors be warned
- The perils of Stop Losses
- Author Hari Swaminathan
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3About OptionTiger
- On a morning like today, when the SPX gaps down
17 points by the time we wake up in the United
States, due to any number of concerns in Europe
or Asia, the first thought that may come to an
investors mind is How is my portfolio going to
be affected ? And the second thought may seem to
be comforting if youve set up Stop Losses for
your stocks. But this is a false sense of
comfort. -
- I had written an earlier post a few years ago,
reflecting on the events of the infamous Flash
Crash day and what exactly happened on that day.
That post is replicated here, and provides some
deep insights into how Stop Losses work, and why
investors should not take comfort in Stop Losses.
Most importantly, youll always hear money
managers tout the use of Stop Losses as some
perfect loss prevention mechanism. In reality, it
is anything but. Take a read on what happened on
Flash Crash day and what happened to investors
who had places Stop Loss orders. This post below
is from a couple years ago.
4About OptionTiger
- The topic of Stop Losses and Flash Crashes is
back in the news. On Friday, Indias
National Stock Exchange (NSE) experienced a flash
crash that took the NIFTY 50 Index down 16 in an
instant. Most stocks in the Index experienced
crashes of between 15 and 20. Circuit breakers
that were supposed to be triggered at a 10 drop
did not work, and they ultimately kicked in after
a few minutes when the index had dropped 16.
Markets were halted, systems were reset and when
it opened again, the Index recovered most of its
losses but ended in the red for the day, but well
off its lows. Read the full Bloomberg article
here.
Sound familiar ? This is exactly what happened
on May 6, 2010 in the US. The SP 500 crashed
over 10 but recovered most of its losses, all in
about 20 minutes time. Just like the US incident,
fat fingers typing erroneous Futures orders in
the billions rather than the millions are
blamed in the Indian incident as well. With one
difference while we still dont know what
really happened in the US after 2 years, the
culprit was identified almost immediately in
India. The broker responsible for the erroneous
order (Emkay Global Financial Services) was
immediately sequestered, all their orders closed
out, and their license to operate in the Indian
markets was revoked on the same day. Talk about
being judge, jury and meting out swift punishment.
5About OptionTiger
- But I want to focus on one very important issue
about Flash Crashes and Stop Losses. Most
investors including institutional investors use
Stop Losses to prevent any further loss when your
stock price drops. The way this works is you put
a Stop Loss order and leave that order open with
a status of Good till Cancelled. This order
remains open in your account until you explicitly
cancel it or until it gets executed.
The concept itself makes a lot of sense if you
want to protect your position beyond a certain
point, put your Stop Loss at that point, and you
dont have to worry about it after that. But is
this really the truth ? And what happens when you
have a Flash Crash ? Lets see what happened in
the US in 2010, and what must have surely
happened in India as well on Friday.
6About OptionTiger
- To understand what happened, we need to
understand the Stop Loss order in a little bit of
detail. When a Stop Loss gets triggered, your
order is automatically converted into a Market
Order. In a Market Order, your stock gets sold
at whatever price the market is quoting at that
particular point in time, as reflected by the Bid
and Ask prices. Herein lies the problem,and its
a very big problem. In the middle of a Flash
Crash, the Bid and Ask prices are tumbling
instantly and prices are crashing but no orders
are being executed at this time. But your order
is a market order, so its designed to execute
whatever price the market allows it to execute.
And in a Flash crash, this execution can happen
at a price that is significantly lower that your
Stop Loss point.
7About OptionTiger
- Lets use an example. You own Google (GOOG)
stock. GOOG price is 770, and you (or your money
manager) has a Stop Loss order at 700. If the
price of GOOG falls to 700, your Stop Loss order
gets converted into a Market order and your stock
will be sold in the market. In an orderly market,
you can expect to sell GOOG at very close to 700,
perhaps 698 or certainly at 695. But in a Flash
Crash, the Bid and Ask prices are tumbling
without any executions. So GOOG could go down to
600 or even 500, and at whatever point the market
gets an opportunity to sell your stock, it will.
This is exactly what happened in the US markets
in 2010, and many investors got wiped out because
these Stop-Loss-orders turned into Market orders
and sold stock at the lowest possible point. To
add insult to injury, the Flash Crash then
recovers and GOOG makes it all the way back up
along with the rest of the market and may end up
at 740 for the day. Still in the red, but well
off its lows. But to your dismay, your position
was closed out at 500 only to see the stock
bounce back up to 740. If thats not a Royal
Shaft, I dont know what is.
8About OptionTiger
- The sad part is financial advisors and wealth
managers tout the use of Stop Losses as a risk
control mechanism. Next time you hear that, ask
them how their Stop Losses worked on May 6, 2010.
And if you do use Stop Losses, use a Stop Limit
Order. This would work something like this
your GOOG Stop Loss is at 700, but you
also specify a Stop Limit at say 690. This means
that your order will execute only between a price
range of 690 to 700. If GOOG falls below 690,
your order will not execute, and you can save
yourself a ton of agony. Read these articles to
find out what really happened to investors on May
6, 2010. - http//seekingalpha.com/article/205009-stop-loss
-orders-and-the-flash-crash-a-false-sense-of-secur
ity -
- Heres an attorney who will represent you for
losses from Stop Losses during a Flash Crash. - http//www.crarybuchanan.com/Law-Blog/2012/April/
Flash-Crash-and-Stop-Loss-Orders.aspx -
- http//online.wsj.com/article/SB10001424052748703
950804575242942496526282.html
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