Get Book Here

FAP Turbo GMT Offset and Daylight Savings

Just a quick note to let you all know that I’ve updated the FAP Turbo GMT Offsets for a number of brokersĀ  in the members area. I’ve also added a number of new brokers and their corresponding offsets.

These changes reflect the daylight savings change over that happened in North America on March 24th. There will be another daylight savings change over for Europe on March 29th. If your broker is European based then be sure to check back here after the 29th for an update on those brokers.

Having the right GMT Offset is crucial to proper functioning of the scalper mode of FAP Turbo so please make sure you’ve set it correctly.


Share this post; your friends will thank you for it!
  • Twitter
  • Digg
  • StumbleUpon
  • Facebook
  • Mixx
  • Google Bookmarks
  • Furl
  • Live
  • Ma.gnolia
  • NewsVine
  • Propeller
  • Simpy
  • BlinkList
  • Diigo
  • Faves
  • MisterWong
  • Technorati
  • Yahoo! Bookmarks

RSS feed

Comment by Hamed
2009-04-01 15:58:07

A question:

When I want to test a strategy, should I use new GMT offset or the old one?
The test period includes before and after GMT offset change.

Thank you.

Comment by Rob Casey
2009-04-01 19:00:27

Welcome Hamed, and thanks for the great question.

Here’s the deal. For may forex robots doesn’t even matter because they’re not sensitive to the time of day the robot trades.

However, FAP Turbo is so GMT offset is important. Your question about which GMT offset to use when back testing, the one before the change over or after, is something most people don’t even think to ask.

If you run your back test over a period of time that extends over the daylight savings switch over dates then you’re going to get invalid results. For people who don’t consider this they simply look at the results and say “hey that sucks” without realizing the test isn’t valid to begin with.

There are two ways to handle this.

The more difficult way is to go into the historical data and shift the time stamps on the data over by an hour after the daylight savings switchover so that it matched up with the same data time period as before the switch over.

The easiest way for most people is to simply run multiple tests and combine the results.

It’s actually not difficult. here’s what you do. Start at the beginning of the time period you want to test and run until the daylight savings change date.

Then do the next test from that date until the next daylight savings change date. ect … etc …

The thing to remember is that when you finish the first test be sure to take your closing balance and use that as your starting balance for the next test.

In the end you don;t actually get the same nice report with only one graph, but the results are more valid which is the important thing. Also, to get the total wins/loses you simply need to add them up from each test report.

I know it’s a bit of a pain but that’s the world of trading. You’re always at the mercy of your data and if the data doesn’t correctly reflect reality then you have to mess with it to get real valid results.

hope that helps.

I’ll be going into it a bit more deeply in the guide.



Get the FAP Turbo Settings Guide Now!


Forex Robot World Cup

I HATE spam too. Privacy Policy

CFTC RULE 4.41 - Hypothetical or simulated performance results have certain limitations. Unlike an actual performance record, simulated results do not represent actual trading. Also, since the trades have not been executed, the results may have under-or-over compensated for the impact, if any, of certain market factors, such as lack of liquidity. Simulated trading programs in general are also subject to the fact that they are designed with the benefit of hindsight. No representation is being made that any account will or is likely to achieve profit or losses similar to those shown.

Clearly understand this: None of the affiliates or associates of involved in the production and maintenance of this site, is a registered Broker/Dealer or Investment Advisor in any State or Federally-sanctioned jurisdiction. Information contained in this website, emails originating from this website, as well as any products or services promoted here are not an invitation to trade any specific investments. It is intended for educational purposes only and NOT as individual investment advice. Do not act on this without advice from your investment professional, who will verify what is suitable for your particular needs & circumstances. Failure to seek detailed professional personally tailored advice prior to acting could lead to you acting contrary to your own best interests & could lead to losses of capital.

Owners of this website may receive compensation for products or services referenced on this website or in emails originating from this website.

The use of this website constitutes acceptance of our terms of service.