Bollinger Band Scans

Detect overbought/oversold extremes, volatility squeeze setups and band-walk momentum using %B and Bandwidth.

Live data
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Signal Key: Overbought — price ≥ Upper Band Oversold — price ≤ Lower Band Squeeze — bandwidth near 20-day low Upper Walk — %B ≥ 80 (momentum) Lower Walk — %B ≤ 20 (weakness)
1
Overbought
0
Oversold
0
Squeeze ⚡
1
Upper Walk ▲
0
Lower Walk ▼
10
Total Scanned
Filter:
# Symbol LTP Chg % Upper Middle Lower %B Position Bandwidth RSI Volume Signal
1 MARUTITOP 13730.0 +2.14% 14591.25 13866.75 13142.25
40.56%
10.45%
33.89 3.33L — Normal
2 UBLTOP 1425.0 +1.89% 1425.62 1362.46 1299.3
99.51%
9.27%
64.68 19.3K ▲ Upper Walk
3 DABURTOP 427.35 +0.98% 454.3 434.94 415.58
30.4%
8.9%
23.45 8.54L — Normal
4 COLPALTOP 2136.6 +2.42% 2136.24 2059.06 1981.88
100.23%
7.5%
57.68 3.82L ● Overbought
5 GODREJCPTOP 1073.7 +1.34% 1106.6 1067.43 1028.27
58.0%
7.34%
42.04 3.19L — Normal
6 ITCTOP 285.85 +0.85% 291.97 283.28 274.59
64.79%
6.14%
45.18 1.93Cr — Normal
7 HINDUNILVRTOP 2174.6 +1.38% 2219.19 2153.38 2087.56
66.12%
6.11%
43.37 6.99L — Normal
8 BRITANNIATOP 5384.5 +0.09% 5529.37 5367.65 5205.93
55.21%
6.03%
44.6 2.39L — Normal
9 NESTLEINDTOP 1446.1 +0.18% 1487.12 1446.89 1406.67
49.01%
5.56%
43.47 20.30L — Normal
10 ASIANPAINTTOP 2710.2 +2.74% 2756.91 2687.93 2618.94
66.14%
5.13%
46.38 7.15L — Normal

Based on 20-period Bollinger Bands (2σ) on daily candles. Squeeze = bandwidth near 20-session low. · Auto-refresh every 60s during market hours

What Are Bollinger Bands?

Bollinger Bands is a popular technical indicator developed by analyst John Bollinger in the 1980s. It consists of three lines plotted around a simple moving average to measure market volatility and identify overbought or oversold conditions.

  • Upper Band: 20-day SMA + (20-day standard deviation of price × 2)
  • Middle Band: 20-day Simple Moving Average (SMA)
  • Lower Band: 20-day SMA − (20-day standard deviation of price × 2)

When the bands widen, volatility is increasing — more trading opportunities. When bands narrow (squeeze), volatility is low and a breakout is likely approaching.

How to Use Bollinger Bands in Trading

  • Price near Lower Band: Potential buying opportunity if the band holds; breakdown signal if price breaks below.
  • Price near Upper Band: Potential selling opportunity if the band holds; breakout signal if price breaks above.
  • Bollinger Squeeze: Bands narrow — anticipate a high-momentum breakout or breakdown.
  • Upper Band Walk: Price consistently touches the upper band — strong uptrend in progress.
  • Lower Band Walk: Price consistently touches the lower band — strong downtrend in progress.
  • %B above 1.0: Price is above the upper band — overbought; watch for reversal.
  • %B below 0.0: Price is below the lower band — oversold; watch for bounce.

Bollinger Band Formulas

  • Upper Band = 20-day SMA + (20-day std dev × 2)
  • Middle Band = 20-day SMA
  • Lower Band = 20-day SMA − (20-day std dev × 2)
  • %B = (Price − Lower Band) / (Upper Band − Lower Band)
  • Bandwidth = (Upper Band − Lower Band) / Middle Band

Related Tools

What Are Bollinger Bands?

Bollinger Bands is a popular technical indicator developed by analyst John Bollinger in the 1980s. It consists of three lines plotted around a simple moving average to measure market volatility and identify overbought or oversold conditions.

When the bands widen, volatility is increasing — more trading opportunities. When bands narrow (squeeze), volatility is low and a breakout is likely approaching.

How to Use Bollinger Bands in Trading

Bollinger Band Formulas

Related Tools

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