In these days ETH gas fee will down to 5$ per transaction why this happen?
Current fees as of this moment based on Gwei
Rapid
34 GWei
$1.79 | 15 Seconds
Fast
26 GWei
$1.38 | 1 Minute
Standard
15 GWei
$0.80 | 3 Minutes
Slow
10 GWei
$0.53 | > 10 Minutes
https://etherchain.org/tools/gasnowFees would vary on network condition and if its busy then expect for fees to rise up as usual.