{
"symbol": "string",
"fromDate": "string",
"toDate": "string",
"flow": [
{
"date": "string",
"buyQty": 0,
"sellQty": 0,
"netQty": 0,
"buyAmount": 0,
"sellAmount": 0,
"buySellRatio": 0
}
],
"overallBuySellRatio": 0
}