Historical Price Data in JForex 3 - Articles - Dukascopy Bank

Tue, 07 Apr 2020 09:23:46 GMT
Source: Dukascopy Bank SA
 
Many analysts believe that examining a market's past behavior could be useful to describe its outlook. This is why historical data analysis is used by many traders regardless of whether their approach is rooted in fundamental or technical analysis. 

JForex platform offers a wide variety of time based and price based historical price action data. It shows the history of both – best bid and best offer (ask) including their volume. 

© Dukascopy Bank SA
 
Time based periods 
Besides the ticks history, which is simply huge, users can customize the periods consisting of:
  • seconds, 
  • minutes,
  • hours;
  • days,
  • weeks,
  • months.
The historical price action tick by tick data is probably the best advantage of JForex. That data is a valuable tool for the users, who test their automated trading strategies or simply build the Renko based on ticks, not hours or days. That history is available since the beginning of the 2003 for the Forex majors. For the EUR/USD alone it weighs several Gigabytes. 

© Dukascopy Bank SA
 
Price based periods 

All of these are derived from the time based periods: 
  • Range
  • Renko (Regular and median)
  • Line break 
  • Kagi 
  • Point & Figure 
  • Ticks bars

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Users are able to customize not only the amount of each range or brick, but also the essential settings like session length and the type of price the data is derived from. The amount of customization is enormous indeed. For example, Renko bricks can be set from value of 1 point to 10000 points. Taking into account that huge amount of data needed, JForex has been optimized to do the majority of the calculations on the user's computer and save the results locally. That reduces the amount of data downloaded significantly. 

There are 4 time frames downloaded from the server in total: 
  • ticks 
  • 1 minute 
  • 1 hour 
  • 1 day  
The other time based periods are derived from these, as well as the price based. E.g. 4 hours period is derived from 1 hour, but 15 minutes from 1 minute. 

As soon as the custom period is calculated, the result is saved on the local disk – the cache folder. Next time the same period is opened in chart, the data is being read instead of downloaded and calculated. That is the reason why a fast Solid State Drive will increase the speed of the chart opening in comparison to a slow Hard Disk Drive.  

Another highly popular setting available in the platform is "Day start time". It sets the time zone in which the trading day starts. It influences all the periods longer than 2 hours and provides the ability to look at them from a completely different perspective. It is necessary to understand, however, that changing this setting results in 6 trading days each week, since Dukascopy marketplace opens and closes in Easter European time zone (EET). 
© Dukascopy Bank SA

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