The golden cross and death cross are the most talked-about crossovers in markets. A golden cross occurs when the 50-period average crosses above the 200-period average; a death cross is when the 50 crosses below the 200. They are read as major shifts in the long-term trend.

What they really tell you
Because both averages are long, these crosses are very slow signals. By the time a golden cross prints, a substantial move has usually already happened. They are better understood as a confirmation of a regime change — from bearish to bullish or back — than as a precise timing tool.
Their fame is partly self-fulfilling: media coverage draws attention and can attract buyers around a golden cross. But that attention also means the signal is heavily lagging and prone to false alarms when a market is merely ranging and the two long averages weave in and out of each other.
- Golden cross: 50 MA crosses above 200 MA — long-term bullish shift.
- Death cross: 50 MA crosses below 200 MA — long-term bearish shift.
- Both are slow and confirm a trend already well underway.
- In sideways markets they flip repeatedly and give little edge.
The golden and death crosses mark slow, long-term regime changes — useful as context, but far too lagging to time precise entries.