Innertrade wrote:

Why does this happen?

You probably have > 2,500 instances of TP and SL being hit in the same bar.

Innertrade wrote:

And will not having it run tick by tick increase incorrect results?

Yes

Innertrade wrote:

it’s reading the candle at a factor of 100 (eg rather than $10 it’s reading it as $1,000),

Please post a screen shot so we can understand?
The respective snippet of code would also assist our understanding.

Innertrade wrote:

is there a way to back test an entire stock market

Nearest you will get is an Index … S&P 500 for USA or an ETF / Tracker Fund.

Innertrade wrote:

will I need to set the live trading on each and every stock within the market on an individual basis?

Wow you must have plenty of cash? 🙂  Margin / deposit would be 5% for each stock.

Nearest you would get is an Index or an ETF.