Sierra Chart has already implemented universal milli-second support with all data feeds.
The built-in functionality in Sierra Chart that will benefit from this, is going to be updated to use the millisecond timestamps over the next two months.
After that, we will work on IQ Feed millisecond support which will override the universal millisecond support. However, that will then require that we make modifications to the timing involved with the building of chart bars. So it does take some effort to get that to work right. This is the reason why supporting the IQ Feed milliseconds is going to take more time.
It is our view that the vast majority of Sierra Chart users, are not going to benefit from the exchange provided millisecond time stamping.
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@SierraCharts is correct. Algos are making and completing trades in the time it takes for a human to see a entry point and move the mouse and click the buy or sell button. In addition to take advantage of the millisecond data a trader would have to be in a data center next to the exchange to even notice a difference. Algos which are in the data centers next to the exchange are completing trades in the time it takes for a submitted order to get from a home computer to the exchange.
Millisecond data is nice talking point but unless you have a algo and are close to the exchange to take advantage of the speed it really will not matter much to the Joe Smo trader sitting on their computer day trading. Yes the bars will update quicker and you may get the occasional better fill but you will still be lagging behind the algos. It should be noted by the time retail traders are able to trade in milliseconds the algos will be trading in nanoseconds or faster.
Read the book Dark Pools. It gives a great history of how the algos came into being.
nosce te ipsum
Trade what the market is doing; NOT what you think its going to do.
Apart from some loopholes that can be only taken advantage of with an HFT black box at the exchange NOC, there are plenty of ways a retail trader can use sub second time frames to benefit his trading, yes, even from home.
If you don't know how, it means you either don't know how, or simply trade in very big time frames so you never done enough R&D in that field.
It doesn't mean that there are non.
I do agree with SC's assumption that the majority of retail traders will not know how to benefit from milliseconds timestamps, but only because most retails look on sub second time frames like you described, in the narrow aspect of "millisecond execution" (meaning open and close a trade).