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**Important Fact: Option premium erodes SLOWLY during the EARLY part
of the life of the option. As time goes by, the rate of erosion INCREASES
more RAPIDLY.
Strike Prices
All "optionable" stocks will have a choice of strike prices. Option traders
have a choice of strike prices to trade - usually relatively close to where
the stock is trading. If a stock is trading at $50, you'll likely be able to
trade the $35, $40, $45, $50, $55, $60, and $65 options. The prices of the
options will vary depending on the strike prices. Your choice of which
option to trade, will have a large affect on the success or failure of your
trade.
Strike Price Increments
The increments between strike prices will vary depending on where the stock
is trading. Strike prices below $25 are in $2.50 strike price increments:
$5.00, $7.50, $10.00, $12.50, $15.00, $17.50, $20.00, and $22.50. Strike
prices above $25 are in $5.00 strike price increments: $25.00, $30.00,
$35.00, $40.00, $45.00, and $50.00, etc. Strike prices stay at $5.00
increments all the way up to $200, when they become $10 increments: $200,
$210, $220, and $230 etc.
There are exceptions to these rules of thumb. Some very liquid lower priced
stocks will have $1.00 strike price increments. The market makers feel that
there is sufficient demand for the options that they open up additional
strikes. The same holds true with very liquid stocks that trade in the $30
to $50 range. Many are likely to have $2.50 increments.
Another exception is when a stock undergoes a stock split. A stock that is
trading at $100 might split 3-for-1. That will create a new strike price of
$33.33. For every one $100 option contract owned, the purchaser will now own
three $33.33 option contracts. There is no gain or loss of value - just some
unusual strike prices. The same is true for a 2-for-1 stock split. An $80
call option on a stock that is trading $80 before the split will turn into
two $40 call options after the split. Again, the value hasn't changed - just
redistributed to two options instead of one.
Option Trading Hours
Stock options stop trading at 4 p.m. each trading day (except for a few
holidays here and there when the market is only open a 1/2 day). On the
other hand, many index options continue to trade until 4:15 p.m.
Option Expiration
Options expire every month, but "options expiration" is a little different.
Options don't expire at the end of a calendar month as one might expect.
Stock options cease trading on the third Friday of each month. If you look
at a calendar for March, 2006, you'll see that the third Friday in March
falls on the 17th. The March option cycle consisted of four weeks.
Some option cycles will be five weeks long. It happens four times a year.
As a result, the premiums will be higher because you're buying an additional
week of time. Case in point, look at the April, 2006 calendar. The third
Friday in April falls on April 21st. There are five Fridays between March
17th and April.
Two Styles Of Options
There are two kinds of options - American and European. When trading options
on stocks, you will be trading the American style of options. The European
style of options are primarily on indexes.
Option Chains
You need to spend a lot of time going over option chains. Options chains
will give you more in depth information.
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