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Systematic vs. Unsystematic Risk - Risk Management - YouTube
Channel: Option Alpha
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Hey everyone.
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This is Kirk, here again at optionalpha.com.
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And in this video, we are going to be talking
about systematic versus unsystematic risk.
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Now, this is a little bit more of a high-level
concept, but I think that you guys are really
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going to enjoy this video.
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I'm going to try to keep it as short and sweet
as possible.
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I know I could talk probably hours and days
about portfolio stuff.
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But in this video, we're just going to touch
on these two basic concepts and go through
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them.
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So, we all know that all investments have
risk.
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So, it's safe to assume that all stocks have
risk as well, right?
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But did you know that there were different
types of risk?
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Not all risk is the same.
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So, most people think that all risk is the
same.
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It's not true.
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There are some risks that you can avoid via
diversification, and we'll talk about those,
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and then other types of risks which are 100%
completely unavoidable.
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I bet you didn't hear anyone say that recently,
that you can completely have a risk that is
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100% unavoidable, meaning you can't hedge
it, you can't get rid of it, it's always there.
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So, that is the systematic risk.
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Systematic risk is due to risk factors that
affect the entire market, such as investment
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policy changes, foreign investment policy,
taxation, shift in social economic parameters,
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global security threats, etc.
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For example: Black Monday on October 19th,
1987 was a systematic event in that almost
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all stocks fell in value on that single day.
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We could also say that a systematic event
was 9/11, right?
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No one had ever factored in the fact that
two planes would fly into the World Trade
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Center, into the Pentagon, would crash in
Pennsylvania.
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No one ever knew that.
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That's a risk that is unavoidable and it affects
the entire market.
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So, this type of risk (the systematic risk)
is beyond the control of investors.
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Me or you or anybody, we can't control this
and it cannot be mitigated.
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Now, we have unsystematic risk.
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Now, unsystematic risk is due to factors specific
to an industry or a company, like product
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category, research and development, pricing,
and marketing strategy.
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So, if you owned one stock and if that company
went bankrupt, you'd lose 100% of your portfolio,
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right?
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But what if you owned 100 stocks and that
one company still went bankrupt?
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You would only have lost 1% of your portfolio.
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So, you can see that this type of risk is
avoidable, yet the market does compensate
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investors for taking such exposure.
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I would say that unsystematic risk would be
risk if you're in, let's say the aerospace
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industry or the cotton industry or you're
in the electronics industry or the computer
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industry or the oil and natural gas industry.
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Those all have risks in and of themselves
that are different than every other industry
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out there.
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Now, you can get rid of that risk and avoid
some of that risk via diversification, buying
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a whole bunch of different securities that
are not related to one another in any way,
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shape or form, or have minimal relation between
them.
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And that锟絪 how you avoid that.
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In portfolio theory, what we really talk about
here is the fact that the more number of securities
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you have in a portfolio - Generally speaking,
there is a max and that's called the efficient
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frontier which we will talk about in another
video.
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But generally speaking, the more number of
securities or the more stocks you hold in
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a portfolio, the less unsystematic risk you're
going to have in that portfolio.
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And you can see how this unsystematic risk
feature here is going to decrease.
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Now, risk is measured up and down on this
sidebar here.
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And so, there's a certain level of systematic
risk which is always present, and that's marked
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here by this A to B line.
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And you can see that this systematic risk
is always present, and it's present no matter
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how many securities we have in the portfolio.
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We could have the most diversified portfolio
on earth, but that still doesn't change the
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fact that on 9/11, two planes hit the World
Trade Center and that terrorist attack was
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something that was completely unavoidable.
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No one knew that was coming.
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But for unsystematic risk which is just specific
to different industries and companies, you
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can avoid that risk and reduce your risk by
diversifying the number of stocks you have,
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the industry, the sector, the country, etc.
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So generally speaking, the more you have,
the closer you're going to get to just pure
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systematic risk, and that is always a good
thing, right?
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You want to reduce as much risk in your portfolio
as possible.
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So hopefully, this video has been really helpful
to tell you guys more about systematic versus
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unsystematic risk.
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Again, we've only touched the basis or touched
the tip of the iceberg here when it comes
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to portfolio theory.
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But as always, check out more of our videos
at optionalpha.com.
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Thanks for watching, and take a second just
to share this video with any of your friends,
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family, or colleagues on your favorite social
network.
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