I have a problem with basic understanding of the level II. I have seen the description on the NinjaWebsite but still I don´t know what represent the numbers exactly: are these the stops and targets in the market in this moment of time? Or realized trades in the "recent past"? And in the Ninja Help Guide there is written Size - The total number of shares/contracts on the bid by ask price. I want to ask "total number" = total what? Total traded? Total working or accepted orders?

My problem is maybe only to understand the referring timeframe of the numbers to see in the level II.
Thanks in advance for any help.
Best regards
Tony

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