# All Questions

28 views

### TAQ NYSE OpenBook

Where can I get/buy the TAQ NYSE OpenBook for specific stocks on specific days? I don't need a whole year of all stocks. I just want to enter a day and a stock, so I can download the order book data ...
33 views

### Derivation of the formulas for the values of European asset-or-nothing and cash-or-nothing options

The asset-or-nothing European option pays at t = T the value of the stock when at time T that value exceeds or is equal to the exercise price E, and nothing if the value of the stock is below E. So, ...
75 views

### float64 to store price data: is precision sufficient?

I am looking to store equity price data in a hdf5 table. The use will be purely as a historical archive, not as day-to-day data source. Options One option would be to store base10 significand and ...
63 views