That sounds correct. The price and book balance are update once a second. Inidicators, which are simply mathematical transformations of the price and book balance, or also updated once a second. After they update, JBT calls a callback in your strategy so it can react to the new data.
In theory you could build stuff on top to trade bars, but a lot of us around here think bars are kind of silly ;) Take a look at the example strategies, and figure out how the "params" are explored using the optimizer. On Sun, Apr 14, 2013 at 2:32 AM, Oleg Ruchovets <[email protected]>wrote: > Ok . Do I understand correct that you are trade the futures or stocks but > analize the midpoint price and bid & ask side of visible book. > I mean there is technical alalysys which analyze a bar patterns. > JBookTrader is not for that , it is for analyzing bid & ask of visible book. > Is it correct and based on that algorithm deside to trade the current > stock or future contract? > > Sorry for such dummy questions :-). > > Thanks > Oleg. > > > On Sun, Apr 14, 2013 at 7:39 AM, Judson Wilson <[email protected]>wrote: > >> Book trading, in this context, is trading based on 1) midpoint price, and >> 2) a measure that is related to the ratio of the total shares on the bid >> side and on the ask side of the visible book. That's it. >> >> As you can see, the code is pretty clean and clear, so you can change >> this as you see fit. >> >> >> On Sat, Apr 13, 2013 at 2:21 PM, Eugene Kononov <[email protected] >> > wrote: >> >>> >>>> My question is : Where can I read about Book Trading. I am familiar a >>>> bit with forex , options , futures and stocks. >>>> From previous posts I understand that JBookTrader is not working with >>>> these finansials instruments. >>>> >>> >>> JBookTrader will work with anything which has level 2 data available in >>> TWS (which is the exchange limit order book). This includes all forex, most >>> futures, some stocks, and some options. To verify if a particular >>> instrument has level 2 market data in TWS, select it, and pop up the >>> "market depth" data dialog in TWS. If you see 5 or more price levels, it >>> means that exchange order book is available. >>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "JBookTrader" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To post to this group, send email to [email protected]. >>> Visit this group at http://groups.google.com/group/jbooktrader?hl=en. >>> For more options, visit https://groups.google.com/groups/opt_out. >>> >>> >>> >> >> -- >> You received this message because you are subscribed to the Google Groups >> "JBookTrader" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To post to this group, send email to [email protected]. >> Visit this group at http://groups.google.com/group/jbooktrader?hl=en. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > -- > You received this message because you are subscribed to the Google Groups > "JBookTrader" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To post to this group, send email to [email protected]. > Visit this group at http://groups.google.com/group/jbooktrader?hl=en. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- You received this message because you are subscribed to the Google Groups "JBookTrader" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/jbooktrader?hl=en. For more options, visit https://groups.google.com/groups/opt_out.
