[

    {
          "name": "S29_m0901",
          "className": "Strategy29_v1",
          "vtSymbol": "SP m1709&m1801",
          "symbol": "SP m1709&m1801",
          "shortSymbol":"M",
          "Leg1Symbol":"m1709",
          "Leg2Symbol":"m1801",
          "minDiff":1,
          "inputSS":1,
          "mode":"tick"
      }

]