factor-decay

{
  "version": 1,
  "task": {
    "placeholder": "补充因子信号文件、样本区间、训练/验证/测试划分或衰减诊断要求"
  },
  "fields": [
    {
      "key": "factor",
      "label": "内置因子",
      "type": "select",
      "default": "momentum_20",
      "help": "填写自定义表达式时以表达式为准",
      "options": [
        { "value": "momentum_20", "label": "动量（20日）" },
        { "value": "reversal_5", "label": "反转（5日）" },
        { "value": "lowvol_20", "label": "低波动（20日）" },
        { "value": "alpha101_101", "label": "Alpha101 #101" },
        { "value": "alpha101_12", "label": "Alpha101 #12" },