Is a shorting like the one of March 12th predictable? BTC 2020

- How would you predict a movement like the one we saw on May 12th? Those days BTC lost >55 % of its value.
- How can we take advantage of that?
- What technical/fundamental indicators do you suggest to use/be more accurate?

Any ideas and thoughts about this topics are welcome.

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הערה:

One of the features I noticed about this movement is the gradual diminishing in price since around February 15th.

הערה:

What you can see in the chart is the RSI. It's interesting to notice the two lowest values it showed during those days. Its value went as low as (around) 10.