Rs For Screener

RS for Screener adds institutional-grade Relative Strength analysis to every NSE stock page on Screener.in.

WHAT IT DOES:
- Calculates RS-55 and RS-123 — the same relative strength metrics used by professional fund managers
- Compares any NSE stock against NIFTY 50 or NIFTY 500
- Shows RS trend (improving / weakening / flat) over 1 week and 1 month
- Displays Alpha — how much the stock has outperformed or underperformed the index
- Shows Price vs MA20 and MA50, with distances
- Shows High/Low within the RS window with % distance from current price
- Draws a live RS Line chart with area fill

HOW TO USE:
1. Get a free API key from marketstack.com
2. Open any stock on screener.in/company/[SYMBOL]
3. Enter your Marketstack API key in the RS panel that appears
4. Click Calculate — results appear instantly

DATA SOURCES:
- Stock prices: Marketstack API (your own free API key)
- Nifty 50 / Nifty Smallcap 500: Yahoo Finance via Cloudflare Worker proxy

PRIVACY:
No personal data is collected. Your API key is stored only in your local Chrome storage.