What Is Supertrend Indicator? Formula, Settings & Day Trading Strategy
Praveen Dubey (SEBI Registered RA)
SP RESEARCHVIA PVT. LTD. (INH000015808)
The Supertrend indicator is a trend-following overlay that plots dynamic support and resistance levels on a price chart using Average True Range (ATR) to measure volatility. It provides clear visual cues by flipping green below the price during an uptrend and red above the price during a downtrend, helping traders filter trend direction and trail stop losses.
How Supertrend Is Calculated: The ATR Connection
Developed by Olivier Seban, the Supertrend indicator uses two user inputs: the Period (lookback for ATR calculation) and the Multiplier (volatility buffer factor).
Upper Band = [ (High + Low) / 2 ] + (Multiplier × ATR)
Lower Band = [ (High + Low) / 2 ] - (Multiplier × ATR)
The dynamic mechanics follow strict flip rules:
- Uptrend State (Green Line): The lower band tracks underneath prices. The band can only move upward; it never steps downward during an ongoing uptrend.
- Trend Reversal Trigger: If the closing price breaks below the current green lower band, the trend flips to bearish. The indicator now plots a red upper band above prices.
- Downtrend State (Red Line): The upper band trails downward and cannot step upward until a candle close breaches above it.
To understand how the underlying volatility calculation works, read our breakdown of the Average True Range (ATR) formula.
Parameter Settings: 10, 3 vs 7, 2 Trade-Offs
Traders often debate which setting produces superior signals. Understanding the mathematical trade-off between speed and lag is essential:
| Parameter Configuration | Primary Timeframe | Characteristics & Market Fit |
|---|---|---|
| Period: 10, Multiplier: 3.0 (Standard Default) | Daily, 1-Hour, 15-Minute | Smoother trend filter. Absorbs normal market noise and keeps traders in multi-session trending waves. Lag is higher at reversals. |
| Period: 7, Multiplier: 2.0 (Fast Intraday) | 5-Minute, 3-Minute | Highly sensitive. Catches rapid momentum turns quickly, but produces significantly more whipsaws during sideways, range-bound market sessions. |
Notice: No parameter setting guarantees profitable trades. Strategy execution depends on risk management and market regime identification.
Day Trading Confluence: Combining Supertrend with VWAP
In liquid Indian index trading (Nifty and Bank Nifty), trading Supertrend in isolation leads to false breakout losses during 60% of trading sessions when the market is consolidating. Review our intraday trading guide for structured market preparation.
Pairing Supertrend with the Volume Weighted Average Price (VWAP) provides an institutional benchmark filter:
Long Setup Confluence Rules
1. Current price is trading above the intraday VWAP (institutional buyers are in control).
2. Supertrend flips from Red to Green.
3. Entry is taken on the subsequent candle with a stop loss placed at the green Supertrend line.
Short Setup Confluence Rules
1. Current price is trading below the intraday VWAP (institutional sellers are dominating).
2. Supertrend flips from Green to Red.
3. Short entry is executed with a stop loss placed at the red Supertrend line.
Limitations and Sideways Market Traps
The greatest vulnerability of the Supertrend indicator is the sideways whipsaw. When an index or stock trades within a tight 50-point range:
- Price pushes up, triggering a green buy signal near the top of the range.
- Price immediately rotates downward, triggering a red sell signal near the bottom of the range.
- Repeated whipsaw flips cause rapid account drawdown if traded mechanically without trend context.
Always verify whether the market is in an established trend or range-bound consolidation using multi-timeframe analysis before deploying trend-following systems. Review our master guide on technical analysis for complete framework rules.
Frequently Asked Questions: Supertrend Indicator
What is the Supertrend indicator?
Supertrend is a trend-following technical indicator created by Olivier Seban that overlays dynamic support and resistance on a price chart. It uses Average True Range (ATR) to measure volatility and changes color—turning green below the price in an uptrend and red above the price in a downtrend.
How is the Supertrend indicator calculated?
Supertrend calculates basic upper and lower bands using median price and ATR: Upper Band = (High + Low)/2 + (Multiplier * ATR), and Lower Band = (High + Low)/2 - (Multiplier * ATR). The indicator locks the band dynamically until price closes across it, triggering a trend flip.
What are the best settings for the Supertrend indicator?
Commonly used parameter settings include (10, 3) and (7, 2). A setting of (10, 3) offers smoother trend tracking with fewer whipsaws, while (7, 2) is more responsive to fast intraday price swings. No parameter setting guarantees profitability.
Why should traders combine Supertrend with VWAP in day trading?
Supertrend is a lagging volatility indicator prone to whipsaws during sideways consolidations. Combining it with Volume Weighted Average Price (VWAP) ensures traders only take bullish Supertrend signals when price is trading above institutional average price (VWAP).
Where should stop losses be placed when trading with Supertrend?
When entering a position based on a Supertrend signal, the dynamic Supertrend line itself serves as an ongoing trailing stop loss. If price closes beyond the Supertrend line, the trade is automatically invalidated and closed.
Written by Praveen Dubey
Chief Research Analyst | SEBI Reg: INH000015808
Statutory Warning & Risk Disclaimer: Investment in securities market is subject to market risks. Read all related documents carefully before investing. Registration granted by SEBI and certification from NISM in no way guarantee performance of the intermediary or provide any assurance of returns to investors. Content provided on this blog is for informational and educational purposes only.