Log Returns vs Simple Returns: What Traders Must Know

A stock closes up 10 percent on Monday and down 10 percent on Tuesday. Add the two moves and you get zero, so the week looks like a wash. The…

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Time Aggregation: Why the Chart Clock Changes What You See

Two traders pull up the same stock on the same day and come away describing two different markets. One calls it a quiet session, up a fraction, nothing worth a…

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