Supertrend is the most recognisable line in Indian retail trading — one band that hugs price, glows green on the way up and flips red on the way down. It looks like a signal machine. It is actually a trailing stop, and understanding that one fact is the difference between using it well and being ground down by it.
What it actually computes
- ATR
- Average True Range — the recent size of a bar, so the band breathes with volatility
- multiplier
- How many ATRs the line sits from price. 3 is the default
Example: In an uptrend the line trails along the lower band, below price. When price closes below that line it flips to the upper band, above price, and the colour turns red. Nothing about the future is being calculated — only how far below the recent midpoint price would have to fall to say the trend has changed.
The two settings, and the only trade-off that matters
| Setting | Turn it down | Turn it up |
|---|---|---|
| ATR period | Jumpier line, earlier signals, more noise | Smoother line, later signals |
| Multiplier | Tighter band — catches turns fast, whipsaws in ranges | Wider band — fewer whipsaws, exits trends late |
| Net effect | More trades, lower hit rate | Fewer trades, more given back per exit |
Think of a follower who keeps a fixed distance behind your car and shouts “turn around!” the moment you cross back past them. On an open highway they stay quietly behind you for miles. In a crowded bazaar where you keep stopping and reversing, they shout constantly.
Supertrend is that follower. In a trend it trails patiently and keeps you in. In a sideways market it flips on every small reversal — not because it is broken, but because there is no trend for it to follow.
Where it shines and where it dies
- Trails the move and keeps you in for the bulk of it
- Flips rarely, so few false exits
- The volatility band gives room without guessing
- A clean, unemotional exit when the trend truly breaks
- Flips back and forth across the range
- Buys near the top, sells near the bottom — repeatedly
- A stream of small losses that add up
- No setting fixes it, because there is no trend
A stock has traded in a tight range for two weeks, and your 10/3 Supertrend has flipped six times, each a small loss. What is the correct conclusion?
Ek banda aapki gaadi ke peeche fixed doori pe chalta hai — jaise hi aap us se peeche aao, cheekhta hai "ghoom jao!". Khuli highway pe woh chup-chaap saath chalta hai; bheed waale bazaar mein jahan baar-baar rukte-mudte ho, har baar cheekhta hai. Supertrend wahi hai — trend mein saath deta hai, sideways mein har chhoti ulti pe flip maar deta hai. Galti indicator ki nahi, use bina trend ke chalane ki hai.
- Supertrend is an ATR-based trailing stop, not a predictor — it confirms direction after the fact.
- The two settings trade noise against lag; no single setting wins in every market.
- It is excellent in trends and a loss machine in sideways ranges.
- The default 10 and 3 is crowded, which cuts both ways.
- Pair it with a trend filter and take flips only in the allowed direction.
Mark it done to track your progress through the curriculum.
Common questions
Short, direct answers to what people ask about this topic.
- what is supertrend indicator
- Supertrend is a trend-following indicator that plots a single line which sits below price and shows green in an uptrend, then jumps above price and turns red when the trend flips down. It is built from the Average True Range: the line is placed a chosen number of ATRs away from the midpoint of each bar, so it widens when volatility rises and tightens when it falls. In effect it is a volatility-based trailing stop that also colours in the current direction.
- best supertrend settings for intraday
- The default of a 10-period ATR with a multiplier of 3 is the most widely used, and there is no single best setting because it is a trade-off rather than an optimisation. Lower numbers such as 7 and 2 flip faster and catch turns earlier but whipsaw badly in sideways markets; higher numbers such as 14 and 4 filter noise but exit later and give back more profit. Shorter timeframes usually need a slightly higher multiplier to survive the extra noise.
- supertrend buy and sell signal meaning
- A buy signal is when the Supertrend line flips from above price to below it and turns green; a sell or exit signal is the opposite flip to red above price. Taken literally these are entries and exits, but the honest use is narrower: Supertrend is a trailing stop that confirms a move already under way, so a flip is best used to stay with or step out of a trend rather than as a standalone reason to trade.
- why does supertrend give false signals in a sideways market
- Because it is a trend-following tool and a sideways market has no trend to follow. When price oscillates in a range it repeatedly crosses the line, so the indicator flips colour again and again, and each flip is a small loss as you buy near the top of the range and sell near the bottom. This is not a flaw to be tuned away; it is what any trailing stop does without a trend, which is why a filter for whether a trend exists at all matters more than the settings.
- a volatility-based trailing stop that flips between green and red is known as
- The Supertrend indicator. It uses the Average True Range to place a line a set number of ATRs from price; the line trails below in an uptrend, shown green, and above in a downtrend, shown red, flipping when price closes through it. It is popular because it looks decisive and simple, but underneath it is a lagging trailing stop that confirms direction rather than predicting it.