Stream live Stock Token prices. Polls every feed in one multicall on an
interval and emits a PriceTick only when a symbol's Chainlink round
advances — so consumers see genuine price changes, not redundant re-reads.
Parameters
client: HoodClient
Optionalsymbols: string[]
Tickers to watch, or undefined for every priced Stock Token.
Stream live Stock Token prices. Polls every feed in one multicall on an interval and emits a PriceTick only when a symbol's Chainlink round advances — so consumers see genuine price changes, not redundant re-reads.