I thought this might be an interesting cross post.

I had some funny moments with -ve values using doubles, so I googled the use of decimals. I found this on StackOverflow.

It appears they recommend using Decimals when dealing with money.

c# - decimal vs double! - Which one should I use and when? - Stack Overflow

Cheers,

drolles

drolles 

I thought this might be an interesting cross post. I had some funny moments with -ve values using doubles, so I googled the use of decimals. I found this on StackOverflow. It appears they recommend using Decimals when dealing with money.

A simple and reliable solution might also just use Longs and have everything held and worked in Pence or Cents.

Not sure about the Japanese National Debt mind....

drolles 

I thought this might be an interesting cross post. I had some funny moments with -ve values using doubles, so I googled the use of decimals. I found this on StackOverflow. It appears they recommend using Decimals when dealing with money. c# - decimal vs double! - Which one should I use and when? - Stack Overflow Cheers, drolles

Hi @drolles, you could look also here - the question was already discussed in that thread:

Rounding issues using MIN, MAX, and TickSize Thats right, the important issues (with ninja) are, that you know 1. a double is only a approximate representation of a real value 2. if you do math with real value types, the rounding differences increases at every step (mostly) 3. you can't …

Ninjatrader DON'T work with decimals under the hood - that could be an suggestion for anybody who wants to make a decision between both.