By Sarbaguna Investment

🔍 What are Bollinger Bands?

Bollinger Bands are one of the most widely used technical indicators in stock trading. Developed by John Bollinger, this indicator helps traders understand market volatility, trend direction, and potential price reversals.

It consists of three lines:

• Middle Band → Simple Moving Average (SMA)
• Upper Band → SMA + Standard Deviation
• Lower Band → SMA – Standard Deviation

👉 In simple terms:
Bollinger Bands show whether a stock is overbought, oversold, or moving normally.

⚙️ Bollinger Bands Formula

$UpperBand=SMA+(k\cdot \sigma ),LowerBand=SMA-(k\cdot \sigma )$

Where:

• SMA = Simple Moving Average (usually 20-period)
• σ (sigma) = Standard deviation
• k = Multiplier (commonly 2)

📈 How Bollinger Bands Work

Bollinger Bands automatically adjust based on market volatility:

• 📉 When volatility is low → Bands contract (squeeze)
• 📈 When volatility is high → Bands expand

This dynamic nature makes it highly effective for identifying breakouts and trend strength.

🧠 How to Interpret Bollinger Bands

✅ 1. Overbought & Oversold Levels

• Price near Upper Band → Potential overbought
• Price near Lower Band → Potential oversold

⚠️ Note: In strong trends, price can stay near bands for a long time.

🔄 2. Bollinger Band Squeeze (Very Important)

When bands become very narrow:

👉 Indicates low volatility
👉 Signals a potential breakout

✔ After squeeze → Expect big move (up or down)

📊 3. Breakouts

• Price breaks above upper band → Strong bullish momentum
• Price breaks below lower band → Strong bearish momentum

👉 Always confirm with volume or other indicators.

🔁 4. Mean Reversion Strategy

Prices tend to return to the middle band (SMA).

✔ Buy near lower band → Target middle band
✔ Sell near upper band → Target middle band

💡 Why Bollinger Bands Work in NEPSE

In the NEPSE, markets often show:

• Sudden volatility spikes
• Retail-driven momentum
• Breakout-based moves

👉 Bollinger Bands help you:
✔ Identify entry & exit points
✔ Catch breakouts early
✔ Avoid emotional trading
✔ Understand volatility clearly

⚠️ Limitations

• Not effective alone → Always combine with:
  • RSI
  • MACD
  • Volume analysis
• Can give false signals in:
  • Sideways markets
  • Low-volume stocks

🎯 Pro Trading Tips (Sarbaguna Style)

👉 “Volatility creates opportunity — but discipline captures profit.”

✔ Use Bollinger Squeeze + Volume spike for breakout trades
✔ Avoid buying just because price hits upper band
✔ Confirm signals before entering trade

🧾 Conclusion

Bollinger Bands are a powerful tool for understanding price behavior and market volatility. When used correctly, they help traders make smarter, more disciplined decisions in NEPSE.

👉 Master volatility, and you master the market.

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