# 200-Day Moving Average Trend Following
**Moeilijkheid:** beginner · **Timeframe:** Weeks to months · **Asset:** stocks, indices, futures
**Strategie van:** Paul Tudor Jones
**Risk/Reward:** Medium risk, high consistency
**Win rate:** 65%

## Samenvatting
Koop wanneer prijs boven 200-day MA is, verkoop wanneer eronder. Simpel, effectief trend-volgsysteem gebruikt door legendarische traders.

Het 200-day moving average is een van de meest bekeken indicatoren op Wall Street. Wanneer de prijs boven de 200-day MA is, bevindt de markt zich in een stijgende trend; eronder signaleert een dalende trend. Studies tonen dat aandelen boven hun 200-day MA een 70% winkans hebben versus 30% eronder.

## Kernprincipes
- 200-day MA defines the trend
- Only buy when price > 200-day MA
- Exit when price < 200-day MA
- Combine with other confluence factors

## Instap-regels
- Price crosses above 200-day MA
- Wait for confirmation (2-3 closes above)
- Volume confirms the move
- Broader market aligned (S&P 500 above its 200-day)

## Uitstap-regels
- Price closes below 200-day MA
- Sell 50% on first close below, 100% on second close
- Trail stop loss to lock in profits on extended trends

## Risico's
- Exit immediately on close below 200-day MA
- Use 10% trailing stop on profitable positions
- Reduce position size in choppy markets

## What the 200-Day Moving Average Actually Represents
The 200-day moving average is simply the average closing price of a stock over the past 200 trading days (roughly 10 months). Each day, the oldest price drops off and the newest price is added. This creates a smooth line that filters out daily noise and reveals the underlying trend.

Why 200 days specifically? This timeframe captures approximately one trading year and has proven through decades of testing to effectively distinguish bull markets from bear markets. When price trades above its 200-day MA, the market's long-term trend is up. When below, the trend is down. It's remarkably simple, yet institutional investors, hedge funds, and central banks all watch this level closely.

The 200-day MA acts as a 'line in the sand' for market psychology. Above it, investors feel confident and buy dips. Below it, fear increases and rallies get sold. This self-fulfilling prophecy reinforces the indicator's power—because everyone watches it, everyone reacts to it, making it even more significant.

## Golden Cross and Death Cross: The Signals That Move Markets
The most watched signals in trend following are the Golden Cross and Death Cross. A Golden Cross occurs when the 50-day moving average crosses above the 200-day moving average—signaling that short-term momentum has turned positive and a new uptrend may be beginning. A Death Cross is the opposite: the 50-day crossing below the 200-day, warning of a potential downtrend.

These crossovers make headlines. When the S&P 500 forms a Golden Cross, financial media announces it as a bullish signal. When a Death Cross appears, bearish warnings dominate. Research shows that stocks in Golden Cross territory outperform significantly over the following 6-12 months.

However, crossovers are lagging indicators—they confirm trends rather than predict them. By the time a Death Cross forms, the market has often already fallen 10-15%. The savvy trader uses price crossing the 200-day MA for faster signals, then watches for the Golden/Death Cross as confirmation of a major trend change.

## Historical Backtesting: The 200-Day MA's Track Record
Decades of backtesting confirm the 200-day MA's effectiveness. A study of the S&P 500 from 1950-2020 found that holding stocks only when above the 200-day MA delivered nearly identical returns to buy-and-hold—but with 30% less volatility and 50% smaller maximum drawdowns.

During the 2008 financial crisis, the S&P 500 crossed below its 200-day MA in January 2008 at 1,325. The final bottom came at 666 in March 2009—a 50% additional decline after the signal. Investors who exited on the 200-day MA break avoided most of the carnage. The strategy got them back in June 2009, capturing the subsequent 400%+ rally.

The COVID crash of 2020 showed similar results. The 200-day MA break came around 3,000 on the S&P 500. The bottom hit 2,191 just weeks later. Those who exited preserved capital for the V-shaped recovery, re-entering as price reclaimed the 200-day MA in May 2020. By year end, the market hit new highs.

## Avoiding Whipsaws: The Hidden Challenge of Trend Following
The 200-day MA isn't perfect. In choppy, sideways markets, price repeatedly crosses above and below the average, generating false signals called 'whipsaws.' You exit after a break below, only to see price immediately reclaim the level. You re-enter, only to see it break down again. Each round trip costs money and confidence.

Seasoned trend followers use several techniques to minimize whipsaws. First, require 2-3 consecutive closes above or below the 200-day MA before acting. Second, add a buffer zone—only exit if price closes 3% below the MA, not just barely below. Third, use the 10-month (roughly 200-day) moving average on monthly charts for a less sensitive but more reliable signal.

Famous trend followers like Paul Tudor Jones combine the 200-day MA with other indicators—volume confirmation, sector analysis, and overall market regime. The 200-day MA is a powerful tool, but it works best as part of a complete system rather than in isolation.

Bron: https://daytraders.nl/strategies/200-day-moving-average-trend-following