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Hey guys,I am interested in testing some option trading ideas of my own. Could you tell me what's the best place to find/buy option price data? I would like to have historical end of day data to begin with because I don't have a lot of money to spend. Any type of option is good, equity, commodity, indices. Thank you very much!

Not sure about free data here, but if you have access to a Bloomberg terminal you can download historical data using the API in an Excel spreadsheet / csv file. Alternatively you could use Reuters. You can also check Yahoo / Google Finance, not sure the have anything more than stock data.