ETF日线行情

请求参数

返回示例

{
    "msg": "ok",
    "code": 0,
    "data": [
        {
            "low": 1.741,
            "vol": 4994040,
            "high": 1.8,
            "open": 1.762,
            "close": 1.79,
            "amount": 887315,
            "change": 0.035,
            "pct_chg": 1.9943,
            "fund_code": "150001.SZ",
            "pre_close": 1.755,
            "trade_date": "2015-08-13"
        },
        {
            "low": 1.721,
            "vol": 3885500,
            "high": 1.795,
            "open": 1.749,
            "close": 1.755,
            "amount": 688336,
            "change": -0.013,
            "pct_chg": -0.7353,
            "fund_code": "150001.SZ",
            "pre_close": 1.768,
            "trade_date": "2015-08-12"
        }
    ],
    "count": 2
}