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)
0
Overbought
0
Oversold
0
Squeeze ⚡
1
Upper Walk ▲
6
Lower Walk ▼
10
Total Scanned
Filter:
# Symbol LTP Chg % Upper Middle Lower %B Position Bandwidth RSI Volume Signal
1 DABURTOP 424.15 -0.12% 486.66 449.41 412.17
16.08%
16.57%
18.05 18.64L ▼ Lower Walk
2 ITCTOP 280.7 +0.14% 321.3 297.91 274.52
13.21%
15.7%
21.56 1.61Cr ▼ Lower Walk
3 COLPALTOP 1999.5 -0.24% 2241.16 2104.11 1967.06
11.84%
13.03%
24.3 1.75L ▼ Lower Walk
4 HINDUNILVRTOP 2121.5 +2.02% 2338.43 2197.57 2056.71
23.0%
12.82%
27.08 18.23L — Normal
5 UBLTOP 1324.0 -1.98% 1421.09 1351.25 1281.41
30.49%
10.34%
40.53 63.6K — Normal
6 BRITANNIATOP 5120.5 +0.6% 5542.65 5296.95 5051.25
14.09%
9.28%
21.02 1.59L ▼ Lower Walk
7 NESTLEINDTOP 1386.2 +0.24% 1487.83 1427.35 1366.87
15.98%
8.47%
33.0 13.42L ▼ Lower Walk
8 ASIANPAINTTOP 2686.7 +0.94% 2709.61 2626.05 2542.48
86.29%
6.36%
68.94 16.15L ▲ Upper Walk
9 GODREJCPTOP 998.0 +0.26% 1051.98 1020.23 988.47
15.01%
6.23%
36.23 6.45L ▼ Lower Walk
10 MARUTITOP 13050.0 -0.11% 13514.95 13137.35 12759.75
38.43%
5.75%
43.26 2.96L — 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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