#币圈 How to Grasp Buying and Selling Opportunities?
1. Look at the Technical Aspects:
Moving Averages (MA)
Buying Point: Short-term moving average (5-day line) crosses above the long-term moving average (20-day line), for example, when BTC breaks above the 20-day moving average
Selling Point: Short-term moving average crosses below the long-term moving average, for example, when ETH falls below the 5-day moving average
Support and Resistance Levels
Buying Point: Price falls to historical support level (e.g., BTC repeatedly stops falling at around $25,000)
Selling Point: Price rises to historical resistance level (e.g., ETH repeatedly encounters resistance at $2,000)
MACD Golden Cross / Death Cross
Buy when there is a golden cross (white line crosses yellow line), sell when there is a death cross (yellow line crosses white line)
2. Look at Market Sentiment:
Fear and Greed Index
Sell when greed value > 70 (for example, when BTC rises to $60,000 in 2024, the index reaches 85)
Buy when fear value < 30 (for example, during the bear market in 2022, the index falls below 20 multiple times)
Sudden Changes in Trading Volume
When a coin's daily trading volume suddenly doubles, it may signal the entry of major players, follow up
Sell during continuous shrinking volume rise (easier to fall without funding support)
3. Look at Fundamentals:
Major Positive / Negative News
Buy before good news: for example, the price often rises in advance one month before the ETH upgrade
Sell when good news is fully realized: for example, a coin often experiences 'sell the news' after being listed on a major exchange
Halving Cycle
BTC halves every 4 years, tends to rise 6 months before halving (e.g., before the April 2024 halving, BTC rose from $16,000 to $40,000)
4. Iron Rules:
Do not chase highs or panic sell
Do not buy after 3 consecutive days of rises, do not sell after 5 consecutive days of falls (to avoid being shaken out by short-term fluctuations)
Buy and sell in batches
Buy in 3 installments: buy 1/3 when down 10%, buy another 1/3 when down 20%, buy the last 1/3 when breaking support
Sell in 2 installments: sell half when up 50%, sell all when breaking the previous high
Set Stop Loss and Take Profit
Stop Loss: sell decisively when falling 15% below the buying price
Take Profit: take profit in batches when earning 30%-50% (can relax to 100% in a bull market)
Ultimate Rule:
Buy big on big dips, buy small on small dips; sell when good news is realized, buy when bad news is fully priced in; when others are greedy, I run away; when others are fearful, I pick up the coins!
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