Learn
Short guides to the ideas behind every tool on ScreenerCharts, in plain English.
Options
What is a straddle?
A straddle is a call and a put at the same strike. Learn what its price tells you and why it falls through the day.
How to read an option chain
Calls on the left, puts on the right, strikes in the middle: what each column of an option chain means.
Put-call ratio (PCR) explained
PCR compares open interest in puts and calls. Here is how traders read high and low PCR values.
What is max pain?
Max pain is the expiry price at which option buyers together would lose the most. How it is worked out and how to use it.
Long build-up, short build-up, short covering and long unwinding
Price and open interest together show what traders are doing. The four F&O build-up types explained.
Implied volatility (IV) and IV rank
IV is the movement an option's price assumes. Why it matters for buyers and sellers, and what IV rank means.
Option Greeks: delta, gamma, theta and vega
The four Greeks in plain English, with what each one means for your profit and loss.
Technicals
RSI (Relative Strength Index)
RSI measures the speed of recent price moves on a 0–100 scale. Overbought, oversold and divergences explained.
MACD explained
MACD tracks the gap between two moving averages. Signal-line crossovers and the histogram in plain English.
Moving averages, golden cross and death cross
How the 20, 50 and 200-day moving averages show the trend, and what golden and death crosses are.
Supertrend indicator
Supertrend is a trailing line based on volatility that flips between bullish and bearish. How it works and its limits.
Support, resistance and pivot points
Classic pivot points turn yesterday's high, low and close into today's support and resistance levels.
Market
FII and DII data: what it shows
Foreign and domestic institutional flows in the cash market, and how to read the daily net figures.
Market breadth: advances, declines and the 200-day average
Breadth shows how many stocks take part in a move. Advance-decline ratio and % above moving averages explained.
Sector rotation and the relative rotation graph
How the RRG shows which sectors lead or lag NIFTY, and the clockwise cycle of leading, weakening, lagging and improving.
Bulk deals, block deals and insider trades
What bulk and block deals are, what insider-trading disclosures show, and why traders follow them.