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Where they come from, why they work, and why they often break by a little
Published by The Retail Trader · AUG 09, 2026 · Features
On every chart some prices come up again and again, and something happens there. They are called support and resistance. A new trader sees them as thin lines; an experienced trader sees them as wide zones. This one difference saves a lot of stop losses.
They are not magic numbers. They are prices where a great deal of trading took place earlier. People are stuck there, people bought there, people sold there — and their memories sit at that spot.
So when price comes back there, people react: someone wants to exit at break-even, someone wants to take the same trade again. This reaction keeps the level alive.
If you hold on to one exact number, price will often dip a little below it and then come back — and your stop will be sitting inside that 'little'.
So draw a level as a band, not as a line. The width of that band should come from that same chart's normal daily range, not from your preference.
When an old resistance breaks cleanly, it often becomes the new support. The reason is the same: the people who were stuck there are now ready to buy there.
This doesn't happen every time. But when it does, it is usually the clearest structure a chart gives.
A level seems to break and then price comes back inside. Some common ways to avoid it:
• Wait for the close — decide by the close of that timeframe, not by a touch within the period.
• Watch volume — a breakout without volume often comes back.
• Wait for the retest — after breaking, price often returns to the level. The behaviour there gives the real confirmation.
• Give the most respect to the widest level — the more times price has turned from there, the heavier that zone is.
A level breaking is not a mistake — it is information. If a zone you considered strong broke easily, the most important question is not when it will come back. The question is why your whole reading was wrong. That same answer will improve the next trade.
This article is for educational purposes only — it is not a buy or sell recommendation, makes no claim of guaranteed returns, and is not advice. Rules, rates and mechanics are changed from time to time by the exchanges, SEBI and RBI, so verify every number yourself with your broker or an official source.