Retrieve aggregated Cumulative Volume Delta (CVD) history for a coin across multiple trading pairs. Aggregates net buying pressure across all pairs for comprehensive order flow analysis. Ideal for: coin-level order flow, detecting large-scale accumulation/distribution, market-wide sentiment.

Retrieve Cumulative Volume Delta (CVD) history for a specific trading pair on futures markets. CVD measures the net buying pressure (buy volume - sell volume) over time. Ideal for: order flow analysis, detecting accumulation/distribution, identifying divergences with price.