What does the 100-day moving average indicate in the crypto market?

The 100-day moving average helps crypto traders identify long-term trends, with prices above it signaling bullish momentum and below indicating bearish trends.

Aug 03, 2025 at 08:42 pm

Understanding the 100-Day Moving Average in Cryptocurrency Trading

The 100-day moving average (MA) is a widely used technical indicator in the crypto market that helps traders assess the long-term trend of an asset’s price. It is calculated by summing up the closing prices of a cryptocurrency over the past 100 days and dividing that total by 100. This creates a smoothed line on price charts that filters out short-term volatility, allowing traders to focus on the broader market direction. When the current price is above the 100-day MA, it often signals a bullish trend, while a price below the MA may suggest a bearish trend.

Traders rely on the 100-day MA because it balances responsiveness and stability. Unlike shorter moving averages such as the 20-day or 50-day, which react quickly to price changes, the 100-day MA provides a more reliable view of sustained momentum. This makes it particularly useful in the volatile crypto market, where sudden price swings can mislead short-term indicators.

How to Calculate the 100-Day Moving Average

To compute the 100-day moving average, follow these steps:

• Gather the daily closing prices of the cryptocurrency for the last 100 days.
• Add all 100 closing prices together.
• Divide the total sum by 100.
• The resulting value is the 100-day MA for that day.
• Repeat this process daily, dropping the oldest price and including the newest one.

Most trading platforms like TradingView, Binance, or CoinGecko Pro automatically calculate and display the 100-day MA on price charts. To apply it manually on a chart:

• Open the charting tool of your choice.
• Locate the "Indicators" section.
• Search for "Moving Average."
• Select "Simple Moving Average (SMA)."
• Set the period to 100.
• Choose the desired color and line style for visibility.

This plotted line will update in real time as new price data becomes available, offering a dynamic reference for trend analysis.

Interpreting Price Crossovers with the 100-Day MA

One of the most common uses of the 100-day MA is to identify trend reversals through price crossovers. When the price of a cryptocurrency moves from below the 100-day MA to above it, this is known as a golden cross when paired with a shorter MA, but on its own, it still indicates potential upward momentum. Conversely, when the price drops below the 100-day MA, it may signal weakening sentiment and the start of a downtrend.

Key interpretations include:

• A sustained price above the 100-day MA suggests long-term bullish strength.
• Frequent price touches or bounces off the MA can indicate it is acting as dynamic support.
• A decisive break below the MA, especially on high volume, may confirm a bearish shift.
• Consolidation near the MA often reflects market indecision or a transition phase.

Traders often combine this signal with volume analysis or other indicators like the Relative Strength Index (RSI) or MACD to avoid false signals.

Using the 100-Day MA in Conjunction with Other Moving Averages

Many traders use the 100-day MA alongside other moving averages to generate stronger trading signals. A popular strategy involves pairing it with the 50-day MA to detect crossovers between the two. When the 50-day MA crosses above the 100-day MA, it forms a golden cross, widely interpreted as a long-term buy signal. Conversely, when the 50-day MA falls below the 100-day MA, it creates a death cross, which is viewed as a strong sell or bearish signal.

To set up this dual-MA strategy:

• Add both the 50-day and 100-day SMAs to your price chart.
• Observe their interaction over time.
• Watch for the 50-day line to cross above or below the 100-day line.
• Confirm the crossover with rising trading volume for higher reliability.

This combination is especially effective in identifying major market turning points in assets like Bitcoin or Ethereum, where long-term trends can persist for months.

Role of the 100-Day MA in Risk Management and Position Sizing

Beyond trend identification, the 100-day MA plays a crucial role in risk management. Traders often use it as a guide to determine whether to enter, hold, or exit positions. For instance, a trader following a trend-following strategy might only take long positions when the price is above the 100-day MA, reducing exposure during bear markets.

Practical applications include:

• Setting stop-loss orders just below the 100-day MA in uptrends to protect gains.
• Avoiding new long entries when the price is significantly below the MA.
• Using the MA as a trailing benchmark to assess portfolio performance.
• Adjusting position size based on proximity to the MA—smaller positions when near resistance or support zones.

This disciplined approach helps traders align their strategies with the dominant market trend, minimizing emotional decision-making.

Frequently Asked Questions

Q: Is the 100-day moving average more reliable for Bitcoin than altcoins?

Yes, the 100-day MA tends to be more reliable for Bitcoin due to its higher liquidity, market maturity, and lower susceptibility to manipulation. Altcoins, especially low-cap ones, can experience erratic price movements that cause false crossovers, making the MA less dependable without additional confirmation tools.

Q: Can the 100-day MA be used on timeframes shorter than daily?

While the 100-day MA is designed for daily data, traders can apply a 100-period MA to shorter intervals like 4-hour or 1-hour charts. However, this changes its meaning—it becomes a short-to-medium term indicator rather than a long-term one. For intraday trading, consider using exponential moving averages (EMA) for quicker responses.

Q: Does the 100-day moving average work during sideways markets?

In ranging or sideways markets, the 100-day MA often flattens and loses its directional significance. Prices may oscillate above and below the line frequently, generating misleading signals. In such conditions, traders should combine the MA with oscillators like Bollinger Bands or Stochastic RSI to identify overbought or oversold levels.

Q: How often should I recalculate the 100-day MA if I'm tracking it manually?

The 100-day MA should be recalculated once per trading day, after the latest closing price is recorded. Each day, drop the oldest price from the dataset and include the newest one. Automated platforms handle this in real time, but manual tracking requires daily updates to maintain accuracy.