GBPUSD Weekly Cross Lines

This indicator tracks 20/50 EMA crossovers on GBPUSD (Weekly timeframe) and displays the crossover points across all symbols and timeframes, allowing traders to visually align current price action with key historical turning points in GBPUSD.

The script works by detecting bullish (20 EMA crossing above 50 EMA) and bearish (20 EMA crossing below 50 EMA) signals since 2010, using request.security() to source data from GBPUSD weekly candles, even if the indicator is applied to AAPL, EURJPY, BTCUSD, or any other asset.

Each crossover is marked with a vertical line that persists across all charts, offering a powerful way to:

Compare current market context with GBPUSD’s historical trend shifts

Observe intermarket correlations

Align trading timing across multiple assets

Spot macro trend transitions that ripple across global markets