A migration of the pandas functionality to read yahoo finance stock prices
This project is a migration of the pandas functionality to read yahoo finance stock prices
https://github.com/pydata/pandas-datareader/blob/main/pandas_datareader/yahoo/daily.py
This lib have a strong advantage on backtesting strategies as it can give all the dataframe in yahoo finance, this means that can get daily data on futures like NQ=F and ES=F since 2000 and it goes as far as getting data from 1927 on the SP500 yahoo finance symbol ^GSPC
Features
Get daily data from yahoo finance for the entire dataframe available
Getting started
Add the dependency to your pubspec.yaml:
yahoo_finance_data_reader: ^0.0.2
Usage
List<dynamic> prices = await YahooFinanceDailyReader().getDailyData('GOOG');
Additional information
To include in your app as a widget you can start with this future builder and debug your way until your desired result
FutureBuilder(
future: const YahooFinanceDailyReader().getDailyData('GOOG'),
builder:
(BuildContext context, AsyncSnapshot<List<dynamic>> snapshot) {
if (snapshot.connectionState == ConnectionState.done) {
List<dynamic> historicalData = snapshot.data!;
return ListView.builder(
itemCount: historicalData.length,
itemBuilder: (BuildContext context, int index) {
return Container(
margin: const EdgeInsets.all(10),
child: Text(historicalData[index].toString()));
});
} else if (snapshot.hasError) {
return Text('Error ${snapshot.error}');
}
return const Center(
child: SizedBox(
height: 50,
width: 50,
child: CircularProgressIndicator(),
),
);
},
)
Like us on pub.dev
Package url: https://pub.dev/packages/yahoo_finance_data_reader
Instruction to publish the package to pub.dev
dart pub publish