The death cross is a chart pattern that tells us when a short-term moving average (e.g. 50 SMA) crosses below a long-term moving average (e.g. 200 SMA).
It is the exact opposite to the golden cross and is often known as a trigger point for a trend reversal.
Here is how to compute it
Here is the result
Here you are! You now know how to compute the death cross with Pandas in Python.
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