I'm trying out some backtesting strategies in this thread with NT and OpenTick and was wondering if anyone else is using this combination to backtest also? The strategies seem to be profitable depending on the settings but the problem I'm having is that I can seem to only get about 7 days of tick data and I'd like to run it on more historical tick data to get a better feel of the drawdowns, profit factor, num. trades, etc.
I'm not sure if it's OpenTick or NinjaTrader that is the problem -- although it seems like it's an OpenTick data issue however wanted to be sure. After about 7 days of tick info it seems to only give daily OHLC which is no good for running the backtests. The reason this is wierd is because when I look at this posting on the OpenTick forums (
http://www.opentick.com/forum/viewtopic.php?t=37) it says: "Historical tick data from these exchanges for all stocks, futures, and options via API from its proprietary database, containing up to five years of historical tick data, is provided through otFeed." So maybe it could be a restriction in NinjaTrader instead?
Also, although I don't have TradeStation I see on their site that they only retain 6 months of tick data. When backtesting with TradeStation can you backtest on tick data or only minute data? I thought I had read somewhere that TS only allowed BT on minute data?
If OpenTick is the problem, then is there any other historical tick data source besides backfilling through TradeStation that I could use to run NT backtest strategies on that contain more than 6 months of data?
Thanks for any help!