When looking at stock price charts, you sometimes see a large drop in the price for just a short amount of time.

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Is this simply an error in the presentation of the chart, or has the price actually dropped that much? If the latter, can someone explain how this is possible? And are there ways to benefit from such volatility?

1 Answer 1


It's almost certainly bad data for a stock as liquid (highly traded) as Tesla. Look at the charts from other sites and see if you see the same data - I'm betting you don't.

  • Good point. I don't see it on Yahoo Finance. Indeed, plotting error.
    – LBogaardt
    Commented Jun 3, 2020 at 12:57
  • Is it possible that options were executed at that price ? Seems to be around the reasonable price for an option from a year ago or so
    – xyious
    Commented Jun 3, 2020 at 16:23
  • @xyious No, option exercise is not reflected in the market price of stocks. It's bad data.
    – D Stanley
    Commented Jun 3, 2020 at 18:20

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