Python for Finance

Options and Futures
A graphical representation is shown here:
A put option gives its buyer a right to sell a security (commodity) to the put option
buyer in the future at a predetermined price, X. Here is its payoff function:
Here, ST is the stock price at maturity and X is the exercise price (strike price). For a
put option buyer, the profit/loss function is given here:
The profit/loss function for a put option seller is just the opposite:
The related program and graph for the profit and loss functions for a put option
buyer and a seller are shown here:
import scipy as sp
import matplotlib.pyplot as plt
s = sp.arange(30,70,5)
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