| series_name | Literal['shiller_pe_month', 'shiller_pe_year', 'pe_year', 'pe_month', 'dividend_year', 'dividend_month', 'dividend_growth_quarter', 'dividend_growth_year', 'dividend_yield_year', 'dividend_yield_month', 'earnings_year', 'earnings_month', 'earnings_growth_year', 'earnings_growth_quarter', 'real_earnings_growth_year', 'real_earnings_growth_quarter', 'earnings_yield_year', 'earnings_yield_month', 'real_price_year', 'real_price_month', 'inflation_adjusted_price_year', 'inflation_adjusted_price_month', 'sales_year', 'sales_quarter', 'sales_growth_year', 'sales_growth_quarter', 'real_sales_year', 'real_sales_quarter', 'real_sales_growth_year', 'real_sales_growth_quarter', 'price_to_sales_year', 'price_to_sales_quarter', 'price_to_book_value_year', 'price_to_book_value_quarter', 'book_value_year', 'book_value_quarter'] | The name of the series. Defaults to 'pe_month'. | "pe_month" | True |
| transform | Literal['diff', 'rdiff', 'cumul', 'normalize'] | Transform the data as difference, percent change, cumulative, or normalize. | None | True |