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Lower Bound for Call Options »

The lower bound for any non-dividend paying call option is:

This means that the lower bound is equal to the current stock price minus the options strike price multiplied by the natural e, to the power of negative risk-free interest rate multiplied by the options time to expiry.
Example:
Say that the current stock price = [...]

Upper Bound for Call Options »

For a call option, regardless of the fact that it is an American or a European call option, the option will give the holder the right to purchase 1 share of a stock for a certain price. However, regardless of how high the stock price rises for an option; its price can [...]

Option Assumptions »

Below is a list of all assumptions relative to Option pricing and calculation. Please keep these in mind whenever you are considering trading and/or dealing with options.
Full assumptions about the calculation of option prices
Some of the assumptions which must be made include:

There are market participants such as large [...]

Option Properities »

I recommend that you really only read this article if you are keen to learn the mathematics behind options. It’s quite complex and is really meant for higher level financial enthusiasts. I am always open to questions.
Properties Of Stock Options
There are a number of different factors which affect the price of a stock option.
The [...]