What is Support?
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In short
A price level where buying tends to increase and a decline is likely to pause.
Also known as: support level
Support is a price level where buyers tend to step in as price falls, making it likely that the decline pauses. On a chart it shows up as a place where price has dropped to and bounced from several times.
Why it happens
People remember prices. Those who bought there before and made money want to buy again, those who missed it wait for a "second chance", and short sellers take profits there. Those orders pile up and slow the decline.
How to find it
- Prior lows (swing points) where price turned two or more times.
- A former resistance level after it has been broken — a role reversal.
- Round numbers ($50, $100) and widely watched moving averages.
A level is rarely one exact price; it is usually a zone.
How it is used
Buying near support lets you define risk clearly: the stop goes just below the zone. If price breaks through the zone on volume, the level is considered broken. The more often a level is tested, the more attention it tends to get — but each test can also weaken it, as buy orders there gradually get used up.
A level is a zone, not a line. The more times price touched it and turned, the more it matters.
Example
Illustrative case: over the past three months a stock has bounced three times around $45, with lows at $45.20, $44.90 and $45.10. So the support zone is roughly $44.90–$45.20.
Price drops into the zone again and then closes above $46 with a green candle. The trader enters at $46 and places the stop below the zone at $44.40:
- Risk per share: $46 − $44.40 = $1.60.
- Account $10,000, risk 1% = $100.
- Size: 100 ÷ 1.60 = 62.5 → 62 shares (rounded down).
If the stop is hit, the loss is 62 × $1.60 = $99.20 — within the planned 1%. You can check this with the position size calculator.
Mistakes and tips
Treat a level as a zone, not a single line — price poking through by a few cents is normal.
Don't put your stop right on the level: that is where most stops cluster, and they get hit first.
In a downtrend support breaks often — judge a level together with the higher-timeframe trend.
Frequently asked questions
- How do you identify a support level?
- Look for places on the chart where price has fallen to and turned back up several times. Levels visible on higher timeframes and tested many times are usually stronger.
- What happens when support breaks?
- It often turns into resistance: if price later climbs back to that level from below, sellers may become active there.
Learn it in the Academy
This term is covered with hands-on examples and a quiz in these lessons of the interactive course.
- Earnings seasonCompanies report every quarter: the calendar, consensus, beats and misses, guidance, the conference call, the expected move, gaps and drift, and managing a position into a report.Open lesson · 13 min
- Reading candlesticksOne candle shows a whole battle in four prices: body, wicks, timeframes, single-candle patterns and their context.Open lesson · 12 min
- Support and resistanceHow levels form, how to draw them as zones, how to tell breakouts from false breakouts, and how to plan entries, stops and targets from them.Open lesson · 11 min
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