After 4 quarters you own the product. There is no obligation to renew after each quarter. The one time price of VSA is 2400 Sterling For realtime operations with just about any datafeed, add 250 Pounds Sterling for the Omniview database management package, capable of collecting underlying volume direct from composite stocks and basket creation. Tom had the book printed himself and its lack of mainstrean distribution is the reason I am trying to get word out on it as the concepts within are simple yet brilliant. Price to USA is UK Sterling 75 inc Royal Mail Airmail Express shipping.
All calls come through to Europe, so please wait upto one minute for connection.