Support and ResistanceS/R
Support is a price area where falling prices have tended to stop; resistance is an area where rising prices have tended to stall.
Look at almost any chart and you will see prices that the market keeps returning to — floors it bounces from and ceilings it struggles to break. These are support and resistance, the most widely used idea in chart reading. They are not magic lines; they are places where many traders made decisions before and are likely to make them again. Understanding why they form, and why they break, is more useful than drawing them perfectly.
- Category
- Price Action
- Reading time
- 7 min
- Also called
- Support, Resistance, Key levels
- Updated
Support and resistance in plain words
Imagine a stock that has dropped to $42 three times this year, and each time it bounced. Many people now think of $42 as “cheap”: buyers wait there, and people who sold too early want back in. That cluster of buying interest is support.
Now imagine it has risen to $50 several times and fallen back each time. People who bought at $50 and suffered a loss are happy to sell when they get their money back, and others take profits there. That cluster of selling is resistance.
When a level finally breaks, its role often flips: old support tends to act as resistance on the way back up, and old resistance as support on the way back down.1
How to find and use support and resistance, step by step
Start on a higher timeframe
Levels visible on a daily or weekly chart involve more traders and more money than levels on a 5-minute chart. See Timeframe.
Mark repeated turning points
Look for prices where the market reversed more than once — previous swing highs and lows, the edges of a Range, and past breakout points.
Read how price behaves at the zone
Long wicks, rejection candles and slowing momentum suggest the level is holding. Closes beyond the zone on strong Volume suggest it is breaking.
Plan the trade around it
A long trade near support has a natural place for the stop — just beyond the zone — and a natural target at the next resistance. That makes the Risk-to-Reward Ratio easy to judge.
Worked examples
Example 1 — Buying at support
PlanA stock has bounced from the $42 zone twice. It falls there again and forms a hammer candle. You buy at $42.60 with a stop at $41.40, below the zone, and a target at $46, the last swing high.
| Risk per share ($42.60 − $41.40) | $1.20 |
| Reward per share ($46.00 − $42.60) | $3.40 |
| Risk-to-reward | ≈ 1:2.8 |
The level gives both a logical stop and a logical target. If the zone breaks, the stop limits the loss to $1.20 a share.
Example 2 — Support breaks and becomes resistance
Role reversalOn the third test the stock closes at $40.20, below the zone, and slides to $38.60. It then rallies back to $41.90 and stalls.
| Old support zone | $41.70 – $42.60 |
| Rally high after the break | $41.90 |
| Where it stalled | Inside the old support zone |
Buyers who bought at $42 and are now losing money sell to get out near break-even, adding supply exactly where they bought. That is one common explanation of role reversal.
Example 3 — A false break
False breakPrice dips to $41.50 intraday, below the zone, triggering stops — then closes back at $42.80.
| Intraday low | $41.50 |
| Close | $42.80 |
| Closed back inside the zone? | Yes |
A brief move through a level that fails to hold on a closing basis is often called a false break or liquidity sweep. Judging breaks by closes rather than by single wicks reduces these whipsaws.
Support that turns into resistance
Kinds of support and resistance
| Aspect | Example | Why traders watch it |
|---|---|---|
| Horizontal levels | Previous swing highs and lows | Many traders remember and act at the same prices |
| Round numbers | $100, $50, 1.1000 in EUR/USD | Orders cluster at psychologically obvious prices |
| Trendlines | A line through rising lows | Shows dynamic support in a trend; see Trendline |
| Moving averages | 50- or 200-day average | Widely followed, so they can become self-fulfilling; see Moving Average |
| Previous breakouts | Old resistance after a breakout | Role reversal after the level is broken1 |
Why traders use support and resistance
Entries
Buying near support or selling near resistance means entering where the risk to a logical stop is small.
Stops
Stops placed just beyond a zone are hit only if the level genuinely fails.
Targets
The next opposing level is a natural take-profit area.
Reading supply and demand
Support marks where demand has been strong enough to stop a decline; when it breaks, the balance of supply and demand is assumed to have shifted.1
Advantages and disadvantages
Advantages
- Simple to see and apply on any market and timeframe.
- Gives natural places for entries, stops and targets.
- Reflects real behaviour: many traders watch the same levels.
Disadvantages
- Subjective: two traders can draw different levels.
- Levels are zones, not exact prices, and are often briefly pierced.
- The more obvious a level, the more stops cluster just beyond it.
- Works only until it does not — every level eventually breaks.
Going deeper
Read as far as you need. Each level builds on the one before it.
Fewer, clearer levels
Beginner
Mark only the most obvious levels on a daily chart — the places where price clearly turned more than once. A chart covered in lines helps no one.
Strength, recency and role reversal
Intermediate
A level tends to matter more when it has been tested several times, when large volume traded there, and when it is recent.
After a break, the first return to the level is a common test: if old support now rejects price, the break is confirmed; if price climbs back above and holds, the break may have been false.3
Why levels work — and when they fail
Advanced
Levels work partly because of memory and partly because of orders: limit orders, stops and option strikes cluster at obvious prices. That same clustering makes levels targets for quick runs through the stops before a reversal, which is why some traders wait for a close or a retest instead of entering at the first touch.
Levels are reference points for planning risk, not predictions. Each test uses up some of the orders resting there, so a level hit many times in quick succession is often more likely to break than one tested once.
Common mistakes
Drawing exact lines
Expecting a reversal at exactly $42.00 leads to stops that are too tight. Use zones.2
Placing stops exactly at the level
The obvious price is where everyone’s stops are. Give the stop room beyond the zone.
Using levels from tiny timeframes
Levels on one-minute charts rarely matter to anyone else.
Buying every touch
In a strong downtrend, support breaks more often than it holds. Read the Trend first.
Check your understanding
Test yourself before moving on. Each answer comes with an explanation.
Key points to remember
- Support is where falling prices have tended to stop; resistance is where rising prices have tended to stall.
- Treat levels as zones and confirm them with how price behaves there.
- Broken support often becomes resistance, and broken resistance support.
- Levels give natural places for entries, stops and targets — not certainties.
Frequently asked questions
How many touches make a valid level?
Does support and resistance work in crypto and forex?
What is a support zone?
Further learning
- Trend
Whether support is likely to hold depends on the trend it sits in.
- Volume
Volume shows whether a break of a level is genuine.
- Stop Loss
Place stops beyond zones, not on them.
- Risk-to-Reward Ratio
Use the next level as a target and judge the trade.
Sources
This article is written in our own words. The sources below support the specific facts, rules and figures marked with a number in the text. Links open the original publisher’s page.
- Fidelity. What Is Support And Resistance? (opens in a new tab) Checked .
- CME Group. Support and Resistance (opens in a new tab) Checked .
- StockCharts ChartSchool. Support & Resistance (opens in a new tab) Checked .
Read more elsewhere
- Trading Metrics (our sister site): Support and Resistance (opens in a new tab)
- Investopedia: Support (opens in a new tab)
- Investopedia: Resistance (opens in a new tab)
Educational content, not financial advice. Examples use hypothetical prices and simplified costs; actual fees, margin rules and regulations vary by broker, market and country. Trading Metrics is our sister site, under the same ownership; we are not affiliated with any other publisher linked above. Last reviewed . Report an error or request a source credit.