how to plot the payoff of an call/put option with matlab

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Locks
Locks 2013-3-23
how can I plot:
- intrinsic value of a call/put option in matlab?
- how can I plot the call/put value including the time value?
Additionally, I would like to plot delta, gamma, vega, etc. for several strikes and time to maturity, is that possible?
thanks for your help
  2 个评论
the cyclist
the cyclist 2013-3-23
All of this is possible in MATLAB, but your question is far too general. We have no idea knowing what you already understand (and don't understand) about this problem.
For example, do you know anything at all about plotting in MATLAB? (Would you know how to plot the line y = 2*x?)
How much do you understand about options? Do you know and understand the formulas for the values?
I suggest you try to break down your question into small chunks that will be easier for people to digest and help you answer. You should show what coded you have written for yourself as well.
Locks
Locks 2013-3-23
I know how to plot a line in matlab and I suppose I know enough abbout options, but I thought there could be a function where I do not need to do it by myself. Is there no function for this?
I do not really know how to get the axis an how to describe them
Furthermore, to plot the intrinsic value, I need the max function to get max(S-K,0)
For the option value I need the black scholes formula, which fortunately I have
I there an easy and efficient way to handle that problem

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the cyclist
the cyclist 2013-3-23
编辑：the cyclist 2013-3-23
The Financial Toolbox has formulas for option prices [e.g. blsprice() for Black-Scholes model option pricing]. You can see the complete list of functions here:
http://www.mathworks.com/help/finance/functionlist.html
If you don't have that toolbox, then you might find something you can use in the File Exchange. Here's one:
http://www.mathworks.com/matlabcentral/fileexchange/33770-black-scholes-formula
(But I have no idea if it is any good.)
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the cyclist
the cyclist 2013-3-24
You can add text to a specific place on the plot using text function.
help text
for details.
I forgot about this when you asked about arrows earlier. You can do this using the annotation() command.
For example,
annotation(gcf,'doublearrow',[0.2 0.3],[0.3 0.5])
It is a little annoying that annotations use figure coordinates rather than axis coordinates. Read this for details:
http://www.mathworks.com/help/matlab/creating_plots/positioning-annotations-in-data-space.html

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