Moving Average (50-Day MA) โ Stock Market Glossary
The 50-day moving average (MA50) is the average of a stock’s closing prices over the past 50 trading days. It’s updated each day as new prices replace old ones โ hence “moving.”
Formula
MA50 = Sum of closing prices for the last 50 trading days รท 50
Since the market is open ~252 days per year, 50 trading days โ 2.5 calendar months.
How Traders Use It
| Price vs. MA50 | Typical Interpretation |
|---|---|
| Price > MA50 | Short-term uptrend; bullish signal |
| Price < MA50 | Short-term downtrend; bearish signal |
| Price crosses above MA50 | Potential buy signal |
| Price crosses below MA50 | Potential sell signal |
MA50 vs. MA200
| 50-Day MA | 200-Day MA | |
|---|---|---|
| Sensitivity | More sensitive to recent prices | Slower to respond |
| Time horizon | Short-to-medium term (~2.5 months) | Long term (~10 months) |
| Use case | Active traders | Long-term investors |
| False signals | More frequent | Less frequent |
The Golden Cross โ when the 50-day MA crosses above the 200-day MA โ is widely watched as a long-term bullish signal. The Death Cross โ when the 50-day MA crosses below the 200-day MA โ is watched as a bearish signal.
How It’s Used on This Site
The 50-day MA appears in the Market Data card on every individual ticker page. Comparing it to the current stock price shows whether the stock is trading above or below its recent trend.
See also the 200-day moving average which is used as a primary filter in the ๐ช Falling Knife strategy.
Related Terms
- Moving Average (200-Day) โ Longer-term trend indicator
- RSI โ Momentum indicator often used alongside MAs
- 52-Week High / 52-Week Low โ Broader price context
- Beta โ Volatility measure; high-beta stocks deviate further from their MAs
Further Reading
- Practical Guide to Stock Indicators โ 50-day and 200-day moving averages explained with real examples
- Moving Average (200-Day) โ the longer-term trend companion to the 50-day
- Falling Knife Strategy โ uses both moving averages alongside RSI to score contrarian setups
- Top Stocks by Strategy โ March 2026 โ current top Falling Knife scorers are trading well below their moving averages
Data on this site is for educational purposes only and does not constitute financial advice.