Not only is there sometimes a 500 tick delay between the two but more often than not the candles aren't painting the same, meaning the open and close are different as are the highs and lows.
I trade with a naked chart aside from the 21 EMA and even that is not computed the same when comparing the two programs.
As a test I attempted to arbitrage this setup and wouldn't you know there is no delay in the orders regardless if placed on the web or the desktop they show instantly on both platforms.
Even more interesting is when watching the targets get reached the web app seems to be the controlling factor. Before a target is reached on the desktop it is filled (desktop is lagging the web app in this case).
To further confirm this issue, I reached out to a pal on the east coast (I'm west coast) and sure enough his setup was discovered to be doing the same thing. So it's not an ISP issue or a computer issue. It appears this is an application delay, as his count was off by the exact same as mine when comparing the tick counters between the web and desktop platforms. Again, the desktop seems to always lag the web.
We both have high end gaming laptops, have benchmarked our systems and believe them to be as good as one can find on the market today. However, that's of little concern really when the problem can be replicated across the continent, on different machines, using different internet providers.
Again, this occurs with a single chart using one EMA indicator and no other windows open in NT nor other apps open on the computer.
This bit of delay is alarming to say the least. If the orders were delayed then I would agree with some who might say "trade what you see". However, because the orders fill immediately and are shown on both apps simultaneously the delay of chart data is like flying blind. Never mind the fact that when they do print their open, close, high and low are often off sometimes by 2 ticks or more.
Any help would be greatly appreciated.

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