Function compareDatasets

Parameters

• a: {
      symbol: string;
      exchange?: string;
      currency?: string;
      source: string;
      identifiers?: { isin?: string; cusip?: string; figi?: string };
      bars: {
          timestamp: string;
          open: number;
          high: number;
          low: number;
          close: number;
          volume?: number;
          adjustmentFactor?: number;
      }[];
      dividends?: {
          exDate: string;
          payDate?: string;
          amount: number;
          currency?: string;
          type?: "regular"
          | "special";
      }[];
      splits?: { exDate: string; numerator: number; denominator: number }[];
      fundamentals?: {
          marketCap?: number;
          sharesOutstanding?: number;
          eps?: number;
          pe?: number;
          dividendYield?: number;
          payoutRatio?: number;
      };
  }

  • symbol: string

  • Optionalexchange?: string

  • Optionalcurrency?: string

  • source: string

    Provenance is mandatory: a report must always be able to say where each datum came from.

  • Optionalidentifiers?: { isin?: string; cusip?: string; figi?: string }

  • bars: {
        timestamp: string;
        open: number;
        high: number;
        low: number;
        close: number;
        volume?: number;
        adjustmentFactor?: number;
    }[]

  • Optionaldividends?: {
        exDate: string;
        payDate?: string;
        amount: number;
        currency?: string;
        type?: "regular" | "special";
    }[]

  • Optionalsplits?: { exDate: string; numerator: number; denominator: number }[]

  • Optionalfundamentals?: {
        marketCap?: number;
        sharesOutstanding?: number;
        eps?: number;
        pe?: number;
        dividendYield?: number;
        payoutRatio?: number;
    }

• b: {
      symbol: string;
      exchange?: string;
      currency?: string;
      source: string;
      identifiers?: { isin?: string; cusip?: string; figi?: string };
      bars: {
          timestamp: string;
          open: number;
          high: number;
          low: number;
          close: number;
          volume?: number;
          adjustmentFactor?: number;
      }[];
      dividends?: {
          exDate: string;
          payDate?: string;
          amount: number;
          currency?: string;
          type?: "regular"
          | "special";
      }[];
      splits?: { exDate: string; numerator: number; denominator: number }[];
      fundamentals?: {
          marketCap?: number;
          sharesOutstanding?: number;
          eps?: number;
          pe?: number;
          dividendYield?: number;
          payoutRatio?: number;
      };
  }

  • symbol: string

  • Optionalexchange?: string

  • Optionalcurrency?: string

  • source: string

    Provenance is mandatory: a report must always be able to say where each datum came from.

  • Optionalidentifiers?: { isin?: string; cusip?: string; figi?: string }

  • bars: {
        timestamp: string;
        open: number;
        high: number;
        low: number;
        close: number;
        volume?: number;
        adjustmentFactor?: number;
    }[]

  • Optionaldividends?: {
        exDate: string;
        payDate?: string;
        amount: number;
        currency?: string;
        type?: "regular" | "special";
    }[]

  • Optionalsplits?: { exDate: string; numerator: number; denominator: number }[]

  • Optionalfundamentals?: {
        marketCap?: number;
        sharesOutstanding?: number;
        eps?: number;
        pe?: number;
        dividendYield?: number;
        payoutRatio?: number;
    }

• config: CompareConfig = {}