BTC spot CVD chart at 9:00 a.m. on Aug. 21

The spot CVD chart tracks order book activity in the BTC/USDT spot trading pair. The upper panel shows the volume heatmap, while the lower panel shows cumulative volume delta, or CVD. - The volume heatmap tracks trading volume by price zone. Background colors become brighter when the price stays in a specific range for an extended period or makes a large move. Brighter areas may act as support or resistance. - The CVD indicator reflects buy and sell orders by order size. As buy orders increase, the line for the corresponding size band moves higher. The yellow line represents orders between $100 and $1,000, while the brown line represents large orders between $1 million and $10 million, among other categories.