How to use the Straddle and Greeks tabs in FYERS Options Chain?

How to use the Straddle and Greeks tabs in FYERS Options Chain?

Put–Call Ratio (PCR) and Max Pain are quick sentiment and expiry-reference indicators shown right on the FYERS Options Chain. Use them together to understand positioning (PCR) and the strike around which expiry can gravitate (Max Pain).

FYERS App

  • Go to Options > Option chain.
  • PCR and Max Pain appear in the top info bar above the table (next to market stats). They update live.
  • Tap the view selector (Price) at the top to switch to Greeks, Straddle or Custom.
  • In Price view you’ll also see a centre column labelled Strike (PCR) – this shows the strike and a strike-wise PCR to gauge skew at that strike on mobile.

FYERS Web 

  • Open Options > Option chain.
  • At the top-right of the chain header you’ll see:
    • PCR – live total Put OI ÷ total Call OI for the selected instrument.
    • Max pain – current estimate of the strike where option writers face the least loss.
  • Switch tabs to deepen analysis:
    • Straddle – combined CE+PE view (useful to compare combined OI, volume and breakevens).
    • Greeks – Delta, Gamma, Theta, Vega alongside IV and LTP for each strike.
  • Note: Max Pain is displayed in the header (next to PCR), not as a highlighted row inside Straddle.

How to interpret

  • PCR:
    • Formula: Total Put OI ÷ Total Call OI
    • > 1 → Put OI > Call OI (bearish bias)
    • < 1 → Call OI > Put OI (bullish bias)
    • ≈ 1 → Neutral
  • Max Pain: A reference strike for potential expiry settlement pressure; use with intraday context (trend, IV, support/resistance) rather than as a standalone signal.

Tips

  • Cross-check PCR direction with OI change on the chain to see if fresh positions support the bias.
  • Use Straddle to compare combined price/volume near Max Pain; confirm risk with Greeks (e.g., rising Vega around events).

What if scenarios

ScenarioAction
PCR/Max Pain not visibleRefresh the page/app. These appear in the header for liquid indices (e.g., NIFTY, BANKNIFTY, FINNIFTY).
Values look staleCheck market hours or connectivity. Reload the view (switch tabs Price ↔ Greeks).
Using a stock that isn’t in F&OPCR and Max Pain are not provided for non–F&O symbols.
Strike-wise PCR on mobile looks extremeLow-liquidity strikes can distort ratios. Cross-check with OI and Volume; rely on the header PCR for the broader read.

Last updated: 02 Sep 2025


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