Zondor 

See this post. This indicator is so simple that you will laugh. Do we have Better Pro AM indicator? My understanding is that the Better Pro Am only works on charts with period type "Tick". For these "tick bar" charts it's pretty easy to calculate the average trade size - because the number of trades is the same for each bar, …

Thanks Zondor. I was actually aware that must be something simple, since is not a real time indicator and as you said, is not very likely to be able to spot Pro trades historically just from volume data.

But the indicator you posted in an earlier post (Better Gom Bid/Ask Trade Size?!) looks like being able to do more then Better Pro Am. Is that available anywhere or is proprietary?

Thanks

Probably a good idea to read the e-mini website - it has good explanations of the indicators as well as the benefit of using tick charts, time zones, etc. (...just discovered it myself looking for a info on tick charts).

The 'Better' Trading Indicators | Emini-Watch.com