tradeneeds to be provided alongside requested instruments symbols (via HTTP API or client libs function args).
trades.BTC-PERPETUAL.100mschannel. This is not the case with our API as we always consider channel name and symbol to be separate inputs. In case of Deribit example channel name would be
BTC-PERPETUAL. If channel provides option of frequency of updates (e.g.: 100ms vs raw tick by tick) always higher frequency one is being chosen and recorded.
T - 4min).
300-3000msrange depending on exchange) during re-subscribing to real-time WebSocket feed (every 24 hours) in order to receive order book snapshots.