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Technical Analysis

Support and resistance

Why price stops at the same places repeatedly, why levels flip roles when broken, and how to draw them without fooling yourself.

Technical AnalysisBeginner11 min read
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Support and resistance are the most useful concepts in all of technical analysis, and the ones most often drawn badly. They are not lines on a chart. They are zones where enough people have a reason to act that price struggles to pass.

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Why levels exist at all

A level is not a property of the price series. It is a property of the people holding the stock, and it comes from three overlapping sources of memory.

  1. Regret. People who sold at ₹400 and watched it go to ₹500 want another chance to sell at ₹400. When price returns, that supply appears.
  2. Relief. People who bought at ₹400 and suffered a fall to ₹320 want out at break-even. When price recovers to ₹400, they sell — creating resistance from pure psychological accounting.
  3. Resting orders. Institutions place limit orders at levels they consider fair value, and those orders sit in the book absorbing everything that reaches them until they are filled.
Think of it like this
The pothole on your regular route

There is a pothole at a particular spot on the road you take every day. You do not consciously think about it any more — you just slow down there automatically. So does everyone else who uses that road. To an outsider it looks as if traffic mysteriously slows at that exact point.

In the market

A resistance level is a pothole in the price series. Enough people got hurt or got their chance there that they now act automatically when price returns. The level persists as long as the memory does — which is why levels from years ago still matter, and why they fade once everyone who remembers has moved on.

Role reversal

20-day average
Levels detected mechanically by clustering swing highs and lows. Note that the strongest levels are the ones price has turned away from most often — each rejection adds another cohort of participants with a memory of that price.

What makes a level strong

FactorWeak levelStrong level
Number of touchesOnceThree or more distinct rejections
Volume at the levelThinHeavy volume on each rejection
Time heldA few daysMonths, or a level from a previous cycle
TimeframeVisible only on 15-minuteVisible on the weekly chart
ConfluenceThe level aloneAlso a round number, a 200-DMA, a Fibonacci level

Drawing levels honestly

  1. 1
    Zoom out first

    Start on the weekly chart. The levels visible there are the ones institutional participants are watching. Then work down to your trading timeframe.

  2. 2
    Mark zones, not lines

    Use the range between the wicks and the bodies, typically 0.5–1.5% wide depending on the stock’s volatility. Price will overshoot a line; it respects a zone.

  3. 3
    Prefer levels with multiple touches

    One touch is a coincidence. Three is a level. Anything with more than five touches is usually about to break, because the supply there is being steadily consumed.

  4. 4
    Stop at five or six levels

    If your chart has fourteen lines on it, every price is near a level and none of them mean anything. The discipline of keeping few levels is what makes them useful.

Breakouts and the false-breakout problem

A breakout is price closing decisively beyond a level. The word "decisively" is doing enormous work in that sentence, and defining it in advance is the difference between a strategy and a series of regrets.

A credible breakout
  • Closes beyond the level, not just a wick through it.
  • Volume clearly above the 20-day average.
  • A wide-range candle — the move is impulsive, not reluctant.
  • Follow-through in the next one or two sessions.
  • Often preceded by a period of tight, quiet compression.
A likely false breakout
  • A long wick beyond the level with the close back inside.
  • Volume at or below average.
  • Occurs in the first fifteen minutes and reverses by noon.
  • Immediately fails back through the level the next session.
  • The whole market gapped, so the "break" was just an opening print.
Check yourself

A stock spent four months failing at ₹880. It finally closes at ₹905 on 2.8× average volume, then drifts back to ₹882 over the following week and holds. What is the most likely reading?

Simple bhasha mein
Chhat aur farsh

Kamre mein gend uchhalo — chhat pe lagke wapas aa jaati hai, farsh pe girke wapas uchhalti hai. Stock mein bhi kuch level aise hote hain jahan baar-baar rukta hai. Aur mazedaar baat: chhat toot gayi toh woh agli manzil ka farsh ban jaati hai — yahi role reversal hai.

What to remember
  • Levels come from human memory: regret, relief, and resting institutional orders.
  • Broken resistance becomes support, and vice versa — role reversal is highly reliable.
  • Draw zones, not lines, and keep no more than five or six on a chart.
  • Round numbers are genuine levels in Indian markets, for purely psychological reasons.
  • Demand a close beyond the level plus volume; a retest that holds is the best entry.
You reached the endMark it done and keep your streak going.
Up nextTrendlines and channelsPrevious: Trends, and how to tell when one has ended
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Common questions

Short, direct answers to what people ask about this topic.

role reversal support and resistance meaning
Role reversal is the tendency of broken resistance to become support, and broken support to become resistance. The reason is human rather than technical: everyone who sold at ₹400 and then watched price break to ₹450 regrets it, and buys on any return to ₹400 — the same level, the same people, opposite behaviour. It is one of the most consistently observable effects on a chart, which is why a level is worth keeping marked after it breaks rather than deleting it.
a price level a stock repeatedly fails to rise above is known as
Resistance — a zone where enough supply appears that price struggles to pass. It exists because of memory rather than arithmetic: sellers who regret selling too early, buyers waiting to escape at break-even, and institutional limit orders resting in the book absorbing whatever reaches them. The mirror concept below price, where demand keeps appearing, is support.
how many touches make a support level strong
Three or more distinct rejections is the usual threshold, and a level touched only once is barely a level at all. Touch count is not the only test — heavy volume on each rejection, months of history rather than days, and visibility on the weekly chart all add weight. Past about five or six touches the reading inverts, because each rejection consumes some of the supply sitting there and the level is being steadily eaten away.
why do round numbers act as support and resistance
Because people place orders at round numbers rather than awkward ones — targets, stop losses and limit orders cluster at ₹100, ₹500 and ₹1,000 far more than at ₹497.35, and that clustering becomes real supply and demand. There is no economic justification for it; the effect is self-fulfilling. In India it is pronounced enough that NIFTY visibly hesitates around every 500-point multiple.
how do I tell a false breakout from a real one
The close is the single most useful filter: a credible breakout closes beyond the level on volume clearly above the 20-day average, while a false one leaves a long wick through the level and closes back inside. Follow-through in the next session or two, and a wide-range impulsive candle rather than a reluctant one, both add weight. In ranging markets false breakouts are the norm rather than the exception, because the stops clustered just beyond an obvious level are an attractive pool of liquidity.