Option Chain Cheat Sheet — OI, PCR & Buildups
Quick reference — price+OI matrix, PCR, max pain, buildup labels.
Price + OI
- Up+OI up=LB
- Down+OI up=SB
- Up+OI down=SC
- Down+OI down=LU
Sentiment
- PCR up=fear/hedge
- PCR down=call heavy
- Max pain=pin gauge
- High call OI=resistance
- High put OI=support
Frequently Asked Questions
- Who is this guide for?
- Nifty and Bank Nifty option traders who want structured education around chain reading, OI, and risk — not signal tips.
- Can I trade from this article alone?
- Use it as education paired with live analysis on OptionTools. Paper trade or size down while validating ideas.
Key Takeaways
- Memorise 4 buildups.
- PCR needs context.
- Refresh live.
Related Articles
- How to Read OI Change on Nifty Options — With ExamplesHow to read OI change (change in open interest) on Nifty and Bank Nifty — long buildup, short buildup, covering, unwinding, and the price+OI matrix every intraday trader should know.
- PCR Explained: Put-Call Ratio for Option Trading SentimentUnderstand put-call ratio (PCR), how to read it on Nifty and Bank Nifty, and why PCR analysis matters for intraday bias.