In the following graph, the closing price of LUNA in the last 100 days can be seen.

Closing Prices

overall it has an average price of 66.2$.

Comparing Prices with 52$

As it can be seen, in the last 100 days, in 22% (which is 22 days) LUNA price closed below 52$ and in the other 78% (78 days) it closed over 52$.

Conclusion

By analyzing the first graph (Closing Price in Last 100 Days), In my opinion, 52$ is the floor price of LUNA and at least in near future, we won't have prices below that.