🟠 $BTC + 🔵 $ETH | 15M
BTC controls the structure, while ETH acts as the breadth check.
The sharper signal is price + volume + OI moving together.
BTC strength + ETH strength → 🚀 Broad Momentum
BTC strength + ETH weakness → ⚠️ Selective Strength
Manage risk when participation stops expanding. 🔥