There are many small professional CTAs (e.g. $10m in assets) that use Tradestation, simply because they have a pretty decent backtesting and execution platform that comes with years of intraday data -- despite all the well-known shortcomings.
true. There is even a resource called 'Tradestation Institutional Resources' that assists multimillion dollar and billion dollar+ hedge funds.
Yes, like Excel, Tradestation is in the nooks and crannies of many big firms, used by people who "should know better."
can cost an individual trader many thousands of dollars to purchase on his own
I've never understood this. Data are a cost of doing business, and among the lesser costs for a full-time trader. Yet many newcomers on this site gripe about the cost. Not sure why -- maybe they grew up with Kazaa and are more comfortable stealing than buying intellectual property.
I agree. If you don't have quality data you will have less confidence in your system and be more prone to to turning it off at the worst time. I've heard people argue that you don't need to drill down to tick data and you don't need more than 6 months of data. But the critical point they are missing is that, the better your data the higher your confidence will be and the less likely you will be to shut your system off when it should be left on. It's been a couple of years since I checked but one vendor was selling 30 years of tick data on all markets for $100,000 USD. Do you need all of that? Probably not. The point is, that data is VALUABLE or they wouldn't be asking 100K for it.
I think data from esignal, tradestation, iqfeed..... is good enough, and cheap. If you cannot trade on this data the problem is not the data but the trader.
The amount of data you need depends of the timeframe you trade in. If you daytrade you need less data then if you trade longterm. But with every trading software you get enough data to start with. I never used tickdata, although I daytrade, so I can understand that some traders say tickdata in not needed. It depends of your tradingstyle.
30 years of data is not necessary, especially because trading 30 years ago was completely different from actual trading.
If you want to learn automechanics you don't need a car from 30 years ago to practice.
The point is, that data is VALUABLE or they wouldn't be asking 100K for it.
It is based on my personal experience, so it can be different for somebody else.Your reply is very typical.