fetchAtmStraddleIntraday method

  1. @override
Future<String> fetchAtmStraddleIntraday()
override

Historical ATM Straddle premium (call + put LTP at the ATM strike), sampled once per minute.

{
  "2025-03-27": [
    { "time": 1721460600000, "atmStraddlePrice": 435.2 },
    ...
  ]
}

Return "{}" when no historical data is available.

Implementation

@override
Future<String> fetchAtmStraddleIntraday() async {
  final result = await _data.invokeMethod<String>(
    'fetchAtmStraddleIntraday',
  );

  return result ?? '{}';
}