Master the core of BOLL Bollinger Bands trading in one article, with practical sharing from a master with a level of 10 million!

To help the brothers understand better, this diagram is specially added.

Analysis of the Application of the BOLL Indicator in the Cryptocurrency Market
The Bollinger Bands are open, and the price of the coin is between the upper and middle bands, likely moving upwards.
The Bollinger Bands are opening, and the price of the coin is between the middle and lower bands, likely trending downwards.
The Bollinger Bands are narrowing, and the price is between the upper and middle bands, likely to move upwards.
Bollinger Bands are narrowing, and the price of the coin is between the middle and lower bands, likely to move downwards.
The coin price is under pressure and retracts at the upper band, especially during a squeeze;
The coin price is supported and rebounds at the lower boundary, especially during the contraction.

1. Basic Concept of BOLL Indicator
The BOLL indicator consists of three lines: the upper and lower lines are the resistance and support lines, while the middle line is the average line. In the cryptocurrency market, this indicator can assist in capturing opportunities for price increases by judging trends through the relationship between the price and the position of the Bollinger Bands, as well as changes in their shapes.

2. Practical Methods of BOLL Indicator in the Cryptocurrency Market

Method 1: Catching Upward Opportunities with Pit Patterns
Applicable scenarios: The price trend of the currency is in a fluctuating or slowly rising stage, operating between the middle track and the upper track of a parallel narrow band.

Pattern characteristics: On a certain day, the price falls below the middle band, falls back to near the lower band, and then breaks through the middle band until the upper band after a few days of oscillation; If you stand firm after the pullback to the middle rail, there is a high probability of breaking through the upper rail again, which is a common "digging pattern" in the currency circle.

Method 2: Horn Expansion to Capture Rapid Upward Market Trends

Applicable scenarios: Similar to the above, the price operates between the middle and upper bands during a consolidation or slow upward movement, and one day accelerates to break through the upper band, causing the Bollinger Bands to open up.

Meaning of the pattern: A trumpet-shaped expansion indicates a warming market sentiment and strong bullish forces, making the probability of a rapid price increase relatively high.

3. Application of BOLL Volume-Price Trading Strategy
specific characteristics
Price range: The cryptocurrency price maintains between the upper and middle bands, and the Bollinger Bands expand when breaking through the upper band.

Volume confirmation: When the price breaks through, a moderate increase in volume indicates that buying funds are entering the market.

Buy level: You can buy at the opening of the next day after the breakout pattern is completed, or intervene when the volume rises the next day.

Case Study Analysis
The price of a certain cryptocurrency continues to operate between the middle and upper bands of the BOLL, with the possibility of a breakout. If the price breaks above the upper band with volume on a certain day, the Bollinger Bands will open up, indicating the start of an upward trend.

If a MACD golden cross and other technical indicators' buy signals appear at the same time, you can buy on the next day when there is a significant volume after the breakout. For example, when a certain coin broke above the upper band on February 12, 2027, and there was a volume increase the next day (February 13), that would be the buying opportunity.

4. The significance of trading at the middle, upper, and lower bands of the BOLL indicator
Channel Dynamics: The price range formed by the upper, middle, and lower bands of the channel is not fixed and changes with the fluctuations in the cryptocurrency price.
Support and resistance: The lower band and middle band serve as support levels for the safe operation of the currency price, while the upper band acts as a resistance level.
Bullish and bearish strength assessment: When the coin price is operating above the middle track, it belongs to a strong area; when it is operating below the middle track, it belongs to a weak area.

5. Bollinger Band Trend Decomposition
Explosive rise: The price is running along the upper Bollinger Band on the daily chart, the market is in a one-sided upward trend, and long positions can be held patiently until the price exits the upper band area.

Explosive decline: The price is running along the lower Bollinger Band, and the market is in a one-sided downward trend. Hold short positions patiently until the price exits the lower band area.

Sudden expansion after contraction: After the BOLL channel contracts and consolidates, a sudden expansion indicates the arrival of a volatile market, allowing for position building in the direction of the trend (the middle track indicates the direction of the bullish or bearish trend), with medium-term positions held until the middle track flattens or breaks.

6. BOLL Stop Loss Techniques in Trading
Stop-loss when the Bollinger Bands open: When the Bollinger Bands open and initiate a trend, set the stop-loss level near the upper middle band; if the price retraces and falls below the middle band, consider it a false breakout and exit with a stop-loss.

Stop Loss During Squeeze: When the Bollinger Bands enter the squeeze phase, the market may end or retrace, and you can reduce your position by half; if it breaks below the middle band, close your position and exit. During the squeeze phase, focus on short-term trading, and set the stop loss below the recent low.

Stop loss when the three tracks are in the same direction: After the necking, the three tracks are in the same direction (the middle track is the support), the market is strong, and the stop loss level is set near the middle rail.

Stop-loss in normal times: The Bollinger Bands are entering narrow fluctuations, and the market direction is unclear. It is recommended to hold your coins and wait for a clear opening direction before making any moves.

7. Precautions for Buying the Dip with Bollinger Bands
Avoid misjudgment: The price of the currency crossing above the lower band cannot be directly regarded as a buy signal.
Pullback Confirmation: After a preliminary bottom-fishing signal appears, if the coin price pulls back without effectively breaking through the lower band and the lower band turns upward, it is a buy signal.

Breakthrough and volume energy: The buy signal needs to confirm that the closing price has broken through the middle band and the volume is moderately amplified.

Bollinger Band Width: Pay attention to whether the Bollinger Band width has converged; a breakout during convergence is more significant.

The middle track serves as support or resistance: when the price is above the middle track, it acts as support; when it is below the middle track, it acts as resistance.
When the three-track adhesion occurs, the market is about to choose a direction, and we need to wait for a breakout signal.

Finally, brothers!
"Eat fish and eat the middle", you don't have to pursue buying at the lowest point and selling at the highest point.

The market is not about gambling on luck; it requires a comprehensive assessment using various indicators to gradually build your own trading system. In the highly volatile environment of the cryptocurrency market, strictly adhering to stop-loss discipline and trading strategies is essential for long-term survival.

Can't understand sol
@DtDt666
Understanding the BOLL Bollinger Bands indicator in one article, a reliable indicator that never lies, recognizing the intentions of major funds (recommended to bookmark)

In trading practice, Bollinger Bands are technical indicators often used to judge the "entry and exit timing" of prices.

Furthermore, identify the market's price breakout points and reversal points, and you can also use Bollinger Bands to determine the market price's overbought and oversold conditions.

1. The Bollinger Bands can indicate support and resistance levels;

2. The Bollinger Bands can indicate overbought and oversold conditions;

3. Bollinger Bands can indicate trends;

4. The Bollinger Bands have channel functionality.

1️⃣Bollinger Bands Indicator Application
1/ Support and pressure indication: The upper and middle bands of the Bollinger Bands have a pressure effect on the currency price, and the middle and lower bands play a supporting role in the currency price. When the currency price rushes out of the upper rail, there may be a pullback, a few days ago, the upper and middle bands of the Bollinger Bands have a pressure effect on the currency price, and the middle and lower bands play a supporting role in the currency weight.

When the currency price rushes out of the upper band, it may pull back, and when it falls out of the lower band, it may rebound, so as to show the overbought, overbought, oversold state. In currency trading, for example, the price of BTC fluctuates violently, and when it hits the upper Bollinger Bands upward, it often faces pullback pressure due to short-term profit-taking in the market; When the price of Bitcoin falls sharply near the lower band of the Bollinger Band, some bottom-buying funds may enter the market, pushing the price to rebound.

2/ Trend Judgment: Strong currencies often fluctuate between the middle and upper bands, while weak currencies tend to operate below the middle band. When the price line is above the middle band of the Bollinger Bands, it is generally considered a bullish market, and positions can be held or purchased; when it is below the middle band, it is mostly a bearish market, and buying should be done with caution. The upper and lower bands of the Bollinger Channel represent extreme strength and weakness, respectively. Taking Ethereum as an example, during its bull market, the price generally stays between the middle and upper bands of the Bollinger Bands, indicating strong upward momentum; while in the bear market phase, the price remains below the middle band for an extended period, reflecting a strong bearish atmosphere in the market.

3/ Track Change Signal: The narrowing of the Bollinger Bands upper and lower bands may indicate a sudden change, so do not rush to enter trades. If the K-line breaks upward through the upper band with increased volume and the channel opening is upward, it signals that the price will enter an upward channel, and you should buy; if the K-line breaks downward through the lower band and the channel opening is downward, it means the price will enter a downward channel, and you need to sell.

Like some emerging popular currencies, when the initial volatility is small, the Bollinger Bands track closes, and once the volume breaks through, it often opens a sharp rise and fall market, and investors need to make timely decisions according to the direction of the breakthrough.

4/K line breakout situation: The price K line breaks upward from below the middle band of the Bollinger Bands, indicating that the price is strong and can be bought. When it breaks upward from above the middle band to the upper band, it indicates that the price is extremely strong, and there may be a significant rise in the short term, suggesting to hold positions for a rise or buy in the short term.

Some niche but huge potential coins, driven by the major benefits of the project, the K-line strongly broke through the upper Bollinger Bands, and the currency price soared in the short term.

5/The price of the currency is moving above the Bollinger Bands: After the price K-line runs above the Bollinger Bands for a period of time, if it turns around and breaks down through the upper band, it indicates that the short-term strong trend will end, and short positions should be sold in a timely manner, especially for those currencies that have seen significant increases in the short term; if it breaks down through the middle band, selling should also be the main action.

Taking Polkadot as an example, after a rapid rise, the K-line oscillates at a high position above the Bollinger Bands. Once it turns downward and breaks through a key track, it is often a signal of a market reversal. If investors do not exit in time, their profits will quickly shrink.

The Bollinger Bands formula is explained here using the most common general parameters, which are as follows:
Middle Track: 20 MA
Upper Band: 20 MA + 2 Standard Deviations
Lower Band: 20 MA - 2 Standard Deviations
Bandwidth (Channel Space): (Upper Band - Lower Band) / Middle Band

2️⃣The 10 Basic Patterns of Bollinger Bands
1/Bollinger Band Contraction
The upper and lower Bollinger Bands are close together, indicating a decrease in market volatility, which suggests that significant price fluctuations are imminent. In the red box on the chart, price fluctuations often follow a contraction of the channel, so investors need to pay attention.

2/Bollinger Band Expansion
The upper and lower bands quickly diverged, and market volatility surged. Recently, the upper and lower bands rapidly separated, resulting in significant market fluctuations and strong price movements. The red box in the chart indicates that after expansion, there were substantial price changes, and investors need to make decisive decisions while managing risks effectively.

3/Upper boundary touched or broken
If the candlestick touches or exceeds the upper Bollinger Band, the market may be overheated and overbought, but the price does not necessarily have to fall. High price levels indicate strong resistance, while low price levels have the potential for upward breakthroughs. Investors should make judgments based on the region.

4/Touch or break the lower band
When the candlestick touches or breaks the lower band, the market is overly cold and oversold, which does not mean that the price will rise immediately. Investors should observe the area and combine indicators to judge the trend, making cautious decisions.

5/W type bottom
The double bottom near the lower Bollinger band, with the second bottom slightly higher, is a bullish pattern indicating an upward movement. Buying when the price crosses the middle band can reduce risk. The chart's black frame with cyan markings shows examples, and investors can seize the opportunity.

6/M type top
The upper Bollinger band shows a double top, with the second top lower than the first, indicating a bearish pattern. The decline may be significant, and investors should be cautious when buying; short selling could be considered. The chart has a typical example.

7/ Corridor operation
The candlestick runs along the upper or lower Bollinger band, indicating a strong trend, but it could reverse at any moment, as marked by the black box. Investors should not be careless and should set proper stop-loss and take-profit levels.

8/Bollinger Reversal
The candlestick has touched the trend line multiple times without a clear direction, moving horizontally within the channel. The market is in a sideways trend, and investors can engage in swing trading, buying low and selling high, and adjust their strategies once the market shows a direction. The chart has examples.

9/Bollinger Fake Breakout
After the candlestick breaks through the upper track and quickly falls back, it is a misleading illusion for retail investors, not a true trend. Traders should analyze with multiple indicators to distinguish between "traps" and "gods" and "opportunities."

10/Contraction Breakthrough
Bollinger Bands are contracting, indicating market consolidation, which is a prelude to significant price movement. The black box in the chart shows consolidation, the red futures chart black box shows consolidation, and the red box indicates a breakout, expansion, and price increase. Investors need to seize the right timing to enter the market.

3️⃣How to Use Bollinger Bands to Capture Opportunities for Reversals and Trend Starts

The Bollinger Bands signal trend changes through contraction; so when a trend starts, the Bollinger Bands are already in a contracted state. How can we track the emergence of a trend then?

This requires utilizing the opening feature of the Bollinger Bands and combining it with the relationship between candlesticks and the Bollinger Bands, using both to make a bidirectional judgment.

Judging the initiation of a trend is somewhat more complex than determining the end and transformation of a trend.

Let's first learn about the first condition: the opening of the Bollinger Bands.

The current market is in a state of fluctuation. Whether the market will rise into a bull market or fall into a bear market afterwards, as long as the current oscillating nature of the market ends, the opening of the Bollinger Bands will inevitably occur.

The opening characteristics of the Bollinger Bands are very distinct: the upper band is rising, the lower band is falling, and they are both expanding. This obvious feature is consistent in both upward and downward movements.

When the Bollinger Bands show an opening, we already know that a one-sided trend is likely to come. So, how do we determine the direction of the trend? This requires the use of a second skill, the relationship between Bollinger Bands and candlesticks. This can be divided into two points:

Firstly, when the price opens, if the candlestick touches the upper band and moves upwards, it indicates the arrival of an upward trend; if the candlestick touches the lower band and moves downwards, it signifies the emergence of a downward trend.

Secondly, if the closing price of the candlestick is above the upper band and the candlestick is a bullish candle, it indicates that an upward trend is in progress; if the candlestick is a bearish candle and the closing price is below the lower band, it indicates that a downward trend is in progress.

In the diagram, it can be clearly seen that after the downtrend occurs, the candlestick also closes below the lower band of the Bollinger Bands, and thereafter continues to fall closely along the lower band.

Therefore, using the Bollinger Bands to timely identify the starting point of a trend,
There are two factors:
First, the Bollinger Bands must be open,
If there is an upward trend, the candlestick closing price will break through the upper band;

If it is a downtrend, the candlestick closing price will break through the lower band.

After confirming the start of a trend through these two points, the trader can immediately enter the trade in the direction of the price.

If it is a downtrend, the stop loss should be set above the middle track; if it is an uptrend, the stop loss should be set below the middle track.

If a downtrend occurs and the price subsequently runs close to the lower Bollinger Band (see reference chart), the trader can hold the entered short position until the Bollinger Band shifts from an expanding state back to a contracting state before exiting.

Of course, there is a more timely exit strategy: when the price breaks above the middle line of the Bollinger Bands, immediately close the short position. Following this exit strategy, we can see in the chart that it almost captures an entire wave of the bullish trend. When the price breaks the middle line, it also indicates a reversal of the trend.

The Bollinger Bands are useful, but they can vary due to individual subjective perceptions, much like a double-edged sword. Therefore, never rely too heavily on a single indicator; instead, consider combining several indicators to avoid being misled by them.

But as the old saying goes, technical indicators are ultimately just "probabilities." There is nothing absolute; it depends on whether you understand the indicators, whether you can find your own way to apply them, and whether you consistently use them. Only over the long term will you experience the benefits that the indicators can bring us.