{
 "daily": [
  "wd_ret20",
  "wd_ret60",
  "wd_vol20",
  "wd_vol60",
  "wd_parkinson20",
  "wd_skew60",
  "wd_kurt60",
  "wd_overnight20",
  "wd_intraday20",
  "wd_volratio20",
  "wd_volratio5",
  "wd_amihud60",
  "wd_zeroret60",
  "wd_log_dollar_vol60",
  "wd_bars20",
  "wd_maxdd60"
 ],
 "fundamentals": [
  "f_rev_growth",
  "f_net_issuance",
  "f_gross_margin",
  "f_op_margin",
  "f_ni_assets",
  "f_ocf_assets",
  "f_accruals",
  "f_cash_assets",
  "f_leverage",
  "f_current_ratio",
  "f_capex_assets",
  "f_rd_rev",
  "f_int_cover",
  "f_loss",
  "f_log_assets",
  "f_roa",
  "f_log_mcap",
  "info_age_td",
  "last_surprise",
  "mean_surprise4",
  "hist_adverse_rate"
 ],
 "intraday_1m": [
  "w1m_rv",
  "w1m_bpv",
  "w1m_rj",
  "w1m_rsneg_share",
  "w1m_sjv",
  "w1m_rskew",
  "w1m_rkurt",
  "w1m_max_share",
  "w1m_ac1",
  "w1m_vol_first30",
  "w1m_vol_last30",
  "w1m_vol_gini",
  "w1m_down_vol_share",
  "w1m_present_share",
  "w1m_rv_mktdown_share",
  "w1m_drift",
  "w1m_beta",
  "w1m_volofvol",
  "w1m_vratio"
 ],
 "intraday_30m": [
  "w30m_rv",
  "w30m_bpv",
  "w30m_rj",
  "w30m_rsneg_share",
  "w30m_sjv",
  "w30m_rskew",
  "w30m_rkurt",
  "w30m_max_share",
  "w30m_ac1",
  "w30m_vol_first30",
  "w30m_vol_last30",
  "w30m_vol_gini",
  "w30m_down_vol_share",
  "w30m_present_share",
  "w30m_rv_mktdown_share",
  "w30m_drift",
  "w30m_beta",
  "w30m_volofvol",
  "w30m_vratio"
 ],
 "intraday_5m": [
  "w5m_rv",
  "w5m_bpv",
  "w5m_rj",
  "w5m_rsneg_share",
  "w5m_sjv",
  "w5m_rskew",
  "w5m_rkurt",
  "w5m_max_share",
  "w5m_ac1",
  "w5m_vol_first30",
  "w5m_vol_last30",
  "w5m_vol_gini",
  "w5m_down_vol_share",
  "w5m_present_share",
  "w5m_rv_mktdown_share",
  "w5m_drift",
  "w5m_beta",
  "w5m_volofvol",
  "w5m_vratio"
 ]
}