Support & Resistance Using the Option Chain
OI walls as support/resistance — put floors, call ceilings, breaks.
OI Walls
Put OI below = support reference. Call OI above = resistance. Need price reaction confirmation.
Breaks
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
- Highest OI = reference levels.
- Confirm rejection/break.
- Trends break walls.