{
  "JM2609.DCE": {"close": 1374.0, "settle": 1354.0, "pre_settle": 1320.5, "high": 1388.5, "low": 1323.5, "vol": 806781.0, "oi": 269529.0, "amount": 6554991.36},
  "JM2701.DCE": {"close": 1515.5, "settle": 1501.5, "pre_settle": 1466.0, "high": 1537.0, "low": 1475.0, "vol": 589056.0, "oi": 395638.0, "amount": 5307529.67},
  "JM2705.DCE": {"close": 1478.5, "settle": 1467.0, "pre_settle": 1433.0, "high": 1504.0, "low": 1425.0, "vol": 10875.0, "oi": 22933.0, "amount": 95748.09},
  "J2609.DCE": {"close": 1911.5, "settle": 1901.5, "pre_settle": 1894.5, "high": 1928.0, "low": 1881.5, "vol": 34271.0, "oi": 32900.0, "amount": 651782.88}
}