Go Back   NinjaTrader Support Forum > NinjaTrader 8 > Add-On Development

Add-On Development General NinjaScript development questions.

NinjaTrader
Reply
 
Thread Tools Display Modes
Old 02-17-2017, 09:11 AM   #1
Harry
Senior Member
 
Join Date: Oct 2007
Posts: 3,269
Thanks: 248
Thanked 749 times in 572 posts
Default Best practices - Calculate.OnPriceChange

There are many indicators that do not use other than price information.

For those indicators it does not make sense to call them with every incoming tick. NinjaTrader 8 has an improvement here, as it is possible to run OnBarUpdate() on price change only.

The idea here is to force an indicator to run in Calculate.OnPriceChange when the user erroneously select Calculate.OnEachTick. This would be done in State == State.SetDefaults. Now adding the following lines

Code:
if(Calculate == Calculate.OnEachTick)
      Calculate = Calculate.OnPriceChange;
works, when the indicator is added to a chart.

Here comes my question: If I call such an indicator from another indicator or strategy that runs in Calculate == Calculate.OnEachTick, would that produce any conflicts when the called indicator is forced to run in Calculate == Calculate.OnPriceChange?
Harry is offline  
Reply With Quote
Old 02-17-2017, 09:24 AM   #2
NinjaTrader_JessicaP
NinjaTrader Customer Service
 
NinjaTrader_JessicaP's Avatar
 
Join Date: Dec 2015
Location: Denver, CO
Posts: 2,422
Thanks: 206
Thanked 522 times in 509 posts
Default

Hello Harry, and thank you for your question. Bearing in mind your indicator or strategy's lifecycle for states earlier than realtime, once your indicator or strategy enters realtime, every sub-indicator's OnBarUpdate and OnMarketData events will trigger independently of the parent indicator or strategy. Please let us know if there are any other ways we can help.
NinjaTrader_JessicaP is offline  
Reply With Quote
The following user says thank you to NinjaTrader_JessicaP for this post:
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Calculate OnPriceChange should be forced for bar close dalisdj Version 8 Beta 2 08-02-2016 09:12 AM
Calculate OnPriceChange not working with IB data feed on Point and Figure chart ours_solaire Version 8 Beta 2 07-06-2016 07:38 AM
function OnPriceChange? ninjo Strategy Development 2 02-24-2016 11:36 AM
OnPriceChange ? bassam Indicator Development 5 11-07-2013 05:59 PM
Best Practices ScottB General Development 6 04-15-2011 01:21 PM


All times are GMT -6. The time now is 03:16 AM.

Futures, foreign currency and options trading contains substantial risk and is not for every investor. An investor could potentially lose all or more than the initial investment. Risk capital is money that can be lost without jeopardizing ones financial security or lifestyle. Only risk capital should be used for trading and only those with sufficient risk capital should consider trading. Past performance is not necessarily indicative of future results. View Full Risk Disclosure.

CFTC Rules 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.

This website is hosted and operated by NinjaTrader, LLC (“NT”), a software development company which owns and supports all proprietary technology relating to and including the NinjaTrader trading platform. NT is an affiliated company to NinjaTrader Brokerage (“NTB”), which is a NFA registered introducing broker (NFA #0339976) providing brokerage services to traders of futures and foreign exchange products. This website is intended for educational and informational purposes only and should not be viewed as a solicitation or recommendation of any product, service or trading strategy. No offer or solicitation to buy or sell securities, securities derivative or futures products of any kind, or any type of trading or investment advice, recommendation or strategy, is made, given, or in any manner endorsed by any NT affiliate and the information made available on this Web site is not an offer or solicitation of any kind. Specific questions related to a brokerage account should be sent to your broker directly. The content and opinions expressed on this website are those of the authors and do not necessarily reflect the official policy or position of NT or any of its affiliates. 

Vendors along with their websites, products and services, collectively referred to as (“Vendor Content”), are independent persons or companies that are in no manner affiliated with NT or any if its affiliates. NT or any of its affiliates are not responsible for, do not approve, recommend or endorse any Vendor Content referenced on this website and it’s your sole responsibility to evaluate Vendor Content. Please be aware that any performance information provided by a vendor should be considered hypothetical and must contain the disclosures required by NFA Rule 2-29(c). If you are interested in learning more about, or investigating the quality of, any such Vendor Content you must contact the vendor, provider or seller of such Vendor Content. No person employed by, or associated with, NT or any of its affiliates is authorized to provide any information about any such Vendor Content.