Spread is the difference between Bid and Ask. I'm confused what is High-Low Spread and Open-Close spread?

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It's simply the difference between the two values.

High-Low gives you an idea about the total price movement over the tick period, Open-Close gives you an indication of the direction of the move. If Open-Close is negative, the price went up, and vice versa. High-Low obviously is always positive.

  • $\begingroup$ Open-Close spread means: (Spread during the day's Open) minus (Spread during the day's Close) ?? $\endgroup$
    – Nok Imchen
    Jul 14 '13 at 23:24
  • 1
    $\begingroup$ yeah, thats correct. $\endgroup$
    – zuiqo
    Jul 14 '13 at 23:33
  • $\begingroup$ Not that phi was wrong, but I suspect the OP was confused by the word "spread". He thought that "spread" could only be used for the ask-minus-bid. It looks like the screenshot is also using "spread" for the high-minus-low and the open-minus-close. These are not related to the bid and the ask at all. The OP's comment to this answer was not correct. The comment seems to say "open-close spread" = (ask at open minus bid at open) - (ask at close minus bid at close). That would be incorrect. $\endgroup$ Jul 25 '13 at 18:49

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