Trading NF Intraday using Fibonacci

Just give a thought to the following:

NF is trading between the two consequetive Fibonacci sequence 4181-6765.
If we break the above as per Fibo ratios,v get the following series:
6765,6212,5778,5473,5168,4938,4790,4734,4181.

On 18th NF closed bet 4790-4938.

on 18th,H/L 4906/4767 & close 4888.

If we again take the Fib of the above for trading on 21/5
R-4906/4944/4991/5045
S-4888/4876/4853/4820/4800/4790/4767/4729/4681

So,there seems to be a Confluence around 4938-4944 as Res

can one trade with the above levels?

Back testing,gave close results +/- 15points