RSX is a "noise free" version of RSI, with no added lag. This is a port of a clone to Pine.
Use this indicator just like RSI. I have set the default length to 14, feel free to experiment. You can reduce length with out worrying about jaggedness.
Options page has all the configurable parameters. You can use the plot names to setup alerts.
I have couple of more indicators built using this, will post them later. Let me know what you think about this indicator.
RSX Clone compared to normal RSI:
Smoothness helps a lot in identifying the divergences correctly: