Why is the stock price in CRSP negative?

Sometimes you see negative stock prices in CRSP. This means that there was no closing price available for that period. Instead, the bid/ask average was used. To distinguish the bid/ask averages from actual closing prices, CRSP puts a leading dash in front of the price when the bid/ask average was used. If neither price nor bid/ask average is available, Price or Bid/Ask Average is set to zero.

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4 thoughts on “Why is the stock price in CRSP negative?

    • Have you checked for stock splits etc? You also have to check if CRSP gives you the closing price or the bid ask average (that’s when the – is used). Please use our question form for questions like this.

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