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Golden Cross

OVERVIEW

A golden cross is a technical chart event in which a shorter-term moving average crosses above a longer-term moving average. The canonical form uses the 50-day simple moving average (SMA) crossing above the 200-day simple moving average. Tapeboard surfaces golden cross signals automatically on supported instruments.

Note

The golden cross is a long-term bullish signal confirming that short-term momentum has pulled decisively above the long-term trend. Its mirror image — the 50-day crossing below the 200-day — is called a death cross and is treated as bearish.

HOW IT WORKS

Tapeboard computes two simple moving averages on daily closing prices:

SMA50(t)  = (P(t) + P(t-1) + ... + P(t-49))  / 50
SMA200(t) = (P(t) + P(t-1) + ... + P(t-199)) / 200

A golden cross is recorded on day t when both conditions are met:

SMA50(t-1) ≤ SMA200(t-1)
SMA50(t)   > SMA200(t)

Tip

Enable the Slope Filter in chart settings to require both averages to be sloping upward at the crossover. This reduces false positives during bear-market rallies.

FEATURES

Feature Details
Default averages 50-day SMA / 200-day SMA
Alternative averages EMA substitution supported (50/200 convention remains default)
Signal overlay Plotted directly on the price chart with a marker and label
Slope filter Optional — requires positive first differences on both averages
Alert support Push, email, and webhook alerts on golden cross detection
Asset coverage Equities, ETFs, indices, crypto, and futures
Signal history Full historical crossover log available in the Events panel

HOW TO USE

Enable the golden cross overlay

  1. Open any supported instrument in the Tapeboard chart view.
  2. Select Indicators from the toolbar.
  3. Choose Moving Average Cross and set the short period to 50 and the long period to 200.
  4. Toggle Show Cross Events to display markers on historical signals.

Set an alert

  1. Right-click any chart with the overlay active.
  2. Select Create Alert → Golden Cross.
  3. Choose your delivery method (push, email, or webhook) and confirm.

Use as a regime filter

  1. Open the Screener panel.
  2. Add the filter condition: SMA50 > SMA200.
  3. Save the screen to monitor only instruments currently in a confirmed golden cross regime.

Tip

Combine the golden cross regime filter with confirming signals — such as MACD crossovers, rising volume, or breadth expansion — to improve signal reliability before acting on a position.

SIGNAL REFERENCE

Condition Interpretation Common Use
SMA50 crosses above SMA200 Golden cross — bullish Trend-following entry, regime confirmation
SMA50 crosses below SMA200 Death cross — bearish Exposure reduction, short bias
SMA50 > SMA200 (ongoing) Bull regime Allocators hold long exposure
SMA50 < SMA200 (ongoing) Bear regime Allocators reduce or hedge

LIMITATIONS

Note

The golden cross is a severely lagging indicator. Because it averages 50 and 200 days of past prices, the crossover typically occurs after 15–25% of the upside move has already occurred.

Limitation Detail
Lag Signal fires well after the trend is established
False positives Whipsawing markets can produce unreliable crosses (e.g., S&P 500, March 2015)
Single-name weakness Base rates are weaker on individual stocks than on broad indices or ETFs
No fundamental context Signal carries no information about valuation, earnings, or macro conditions
Modest edge Backtests show forward returns only modestly above unconditional returns