Encyclopedia5 min read
Long Unwinding (LU): OI Down, Price Down
What long unwinding means on the option chain — longs exiting, bearish confirmation when aligned with price.
Definition
Long unwinding: open interest falls while price falls — suggests longs closing losing positions, often bearish continuation if volume confirms. Listed on chain buildup labels alongside LB, SB, SC.
Single-strike LU is noise; cluster LU across strikes with index trend is stronger. Compare short covering (bullish unwind).
How to Use LU
Practice reading labels on option chain.
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
- LU = OI down + price down.
- Context across strikes matters.
- Pair with index trend, not alone.
Related Articles
- Short Covering: When Bears Buy BackShort covering in index options — price rising with falling OI — and how to spot fragile rallies in Nifty intraday trading.
- Open Interest Explained: The Core of OI AnalysisLearn what open interest means, how it changes intraday, and how to use OI analysis for Nifty and Bank Nifty option trading decisions.
- Option Chain Explained: Reading Strikes, OI, and VolumeMaster the option chain layout — strikes, bid-ask, open interest, volume, and buildup labels for Nifty and Bank Nifty intraday analysis.