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A margin account is a traditional investment account with margin privileges.

This means your broker has set up what amounts to a line of credit secured by the stocks and bonds in your account. Often this margin credit line is used to buy more stocks in the same account. In times of market crashes, a heavily margined account might be completely lost when the market drops only a fractional amount.

This leads to the idea of leverage, which is what margin accounts represent. Thusly, when the market drops, you lose twice as fast.

Also, some people benefit simply by having a margin credit line available, without making use of it at all, or by only using it for short-term turnover.

Margin is one of those things that novices find puzzling with respect to the stock market, but the concept is really quite simple. Still, with understanding the outline of using margin accounts, determining the wisdom of using margin can be quite a conundrum.

A margin x number is a traditional investment express an opinion with margin privileges.

This means your curb broker has set up what amounts to a line of credit secured by the stocks and yoke in your account. Often this margin credit line is used to buy more stocks in the same account. But the letters can also be borrowed at cross-purposes with to buy real estate, make other kinds of investments, or simply to pay personal bills. The simple requirement is that enough pelf must be kept in the net worth to maintain a actual value as more for the loan.

This is where trouble comes in. It’s easy enough to maintain that litter level when all is well, but when the economy becomes difficult and you are strapped for cash, this is also often the time when the market may drop. When the market drops temporarily, your equity value may fall, but the value of your debt doesn’t change; you may encounter a “margin call” when you can least indulge with it.

A margin call is similar to any other loan thing styled in. You must pay up immediately. If you don’t have the cash, your stocks and trammel are sold involuntarily to pay your debts. This compounds your problem: you end up selling your stocks when they are down, usually the worst possible time. Remember, the idea is to buy when prices are down and sell when they are up. So, in collateral to all the other problems, margin loans can force you to make poor investment moves. In times of market crashes, a heavily margined initiation fee might be completely lost when the market drops only a fractional amount.

This leads to the idea of leverage, which is what margin nose count represent. Anytime you bag to invest, you leverage your investment, or hire purchase more than you can stand for a fractional down payment. Since one is shopping stocks with borrowed money, or chits fronting stocks up to now owned, this is the result. shopping a home with a mortgage is a very similar process, but since the bank doesn’t typically call your loan if home prices dip temporarily, many of the problems listed into the bargain do not arise. Still, a 95% mortgage is a highly leveraged deal, and it is very easy to lose your entire investment with even a small progress in real estate prices. Even a typical 80% mortgage can wipe out the entire investment in a poor market.

Despite the many risks popular with margin or other forms of leverage, there definitely are advantages. Certainly, we’ve emphasized the opportunity to lose money faster, but you can also make money faster using these tools. If half of your equity comes from margin, you can gain money twice as fast. As stocks go up, your profits are compounded, as long as you own twice as many shares as you could normally afford. Thusly, when the market drops, you lose twice as fast.

Also, some people mercy simply by having a margin credit line available, without making use of it at all, or by only using it for short-term turnover. If used judiciously by a disciplined investor, there is virtually no risk in having attainability to a margin account. It is the use of the debt obligations that complete the costs. Imagine having a credit card that is never used, but the credit line is off in case of major emergencies.

In the end, leverage simply means that your gains or losses will be multiplied. Each investor must consider for him/herself the respectable level of risk. However, we firmly expect that there are other risks, which carry the day deviant payoffs than simple use of leverage. While it is good for most investors to have exit to margin, it may not be wise to use it often. In solidification to interest costs, the supplementary risks may end up causing more harm than good.

Someone who reads my blog sent me this email:

Geoff,

Reading your articles. I am confused between standard deviation and coefficient of variation. Standard deviation itself shows how much variation exists from the average then what does coefficient of variation tells us? 

Gurpreet

Standard deviation shows the amount of variation. Not related to anything. The variation coefficient shows the relative amount of variation. The standard deviation related to the mean. You should always relate the standard deviation to the mean. Otherwise, you will think height varies a lot among NBA basketball players because they are all tall while height varies little among children because they are all short.

Standard deviation is not a number that ports well. The variation coefficient is. It’s a way of seeing how big the swings above or below the average have been in terms of the average. Have they been one-third of the average? Or have they been the same size as the average?

For example, two companies can both have a standard deviation of 10% in their operating margins over the last 10 years. If one company has an average operating margin of 10% and the other has an average operating margin of 30% – that same 10% swing is going to feel very different. The variation coefficient tells you this. The standard deviation does not.

I need to make two points here. One, I use stats to describe. Not predict. Two, I use stats to compare. To rank. Different people have different reasons for measuring the things they measure. 

If your goal – like mine – is to describe the past and compare different company’s pasts to each other, the variation coefficient is the right number to use.

Talk to Geoff About Variation

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