Bollinger Band Scans

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

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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)
0
Overbought
1
Oversold
0
Squeeze ⚡
1
Upper Walk ▲
1
Lower Walk ▼
9
Total Scanned
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# Symbol LTP Chg % Upper Middle Lower %B Position Bandwidth RSI Volume Signal
1 ADANIENTTOP 3048.2 +2.54% 3143.67 2771.32 2398.96
87.18%
26.87%
75.48 56.17L ▲ Upper Walk
2 VEDLTOP 315.6 -3.63% 359.09 328.9 298.71
27.97%
18.36%
41.08 2.08Cr — Normal
3 SAILTOP 190.56 -3.42% 213.18 196.85 180.51
30.76%
16.6%
47.92 2.01Cr — Normal
4 HINDALCOTOP 1092.6 -2.93% 1168.22 1093.65 1019.09
49.29%
13.64%
55.32 45.47L — Normal
5 NATIONALUMTOP 395.7 -4.42% 439.24 411.34 383.43
21.99%
13.57%
46.52 1.44Cr — Normal
6 TATASTEELTOP 206.77 -1.8% 219.28 211.69 204.09
17.64%
7.18%
34.83 3.58Cr ▼ Lower Walk
7 BHARATFORGTOP 1929.8 -0.4% 1988.39 1925.22 1862.06
53.62%
6.56%
53.28 3.81L — Normal
8 JINDALSTELTOP 1181.3 -1.33% 1254.12 1218.82 1183.51
-3.13%
5.79%
29.54 10.35L ● Oversold
9 JSWSTEELTOP 1284.0 -1.31% 1317.5 1287.49 1257.48
44.19%
4.66%
51.75 16.18L — 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

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