[
  {
    "expression": "ts_rank(ts_mean(close, 10), 20)",
    "time_consuming": 78.74,
    "status": "success",
    "timestamp": "2025-11-25 10:30:02",
    "alpha_id": "1YQVVomk"
  },
  {
    "expression": "-ts_corr(close, volume, 20)",
    "time_consuming": 71.61,
    "status": "success",
    "timestamp": "2025-11-25 10:31:13",
    "alpha_id": "mLM22jQx"
  },
  {
    "expression": "ts_delta(close, 5) / ts_delay(close, 5)",
    "time_consuming": 194.4,
    "status": "success",
    "timestamp": "2025-11-25 10:34:28",
    "alpha_id": "MPolqMjz"
  },
  {
    "expression": "group_zscore(ts_rank(volume, 60), sector)",
    "time_consuming": 96.81,
    "status": "success",
    "timestamp": "2025-11-25 10:36:04",
    "alpha_id": "LLAbqqka"
  },
  {
    "expression": "-ts_corr(vwap, volume, 5) * ts_rank(volume, 20)",
    "time_consuming": 94.52,
    "status": "success",
    "timestamp": "2025-11-25 10:37:48",
    "alpha_id": "bl52VdMp"
  },
  {
    "expression": "group_neutralize(ts_delta(log(close), 1), sector)",
    "time_consuming": 85.6,
    "status": "success",
    "timestamp": "2025-11-25 10:39:13",
    "alpha_id": "d5A8g92g"
  },
  {
    "expression": "ts_rank(ts_std_dev(close / ts_delay(close, 1) - 1, 20), 60)",
    "time_consuming": 81.19,
    "status": "success",
    "timestamp": "2025-11-25 10:40:35",
    "alpha_id": "rKv6EMnJ"
  },
  {
    "expression": "ts_decay_linear(ts_rank(volume, 20), 10) - ts_rank(close, 20)",
    "time_consuming": 78.57,
    "status": "success",
    "timestamp": "2025-11-25 10:42:06",
    "alpha_id": "mLM2A3V6"
  },
  {
    "expression": "ts_rank((vwap - close) / ts_mean(vwap - close, 20), 60)",
    "time_consuming": 90.58,
    "status": "success",
    "timestamp": "2025-11-25 10:44:50",
    "alpha_id": "kq2kX3Gk"
  },
  {
    "expression": "-ts_delta(ts_mean(volume, 60), 10) / ts_mean(volume, 60)",
    "time_consuming": 117.0,
    "status": "success",
    "timestamp": "2025-11-25 10:46:47",
    "alpha_id": "MPolXd2r"
  },
  {
    "expression": "ts_rank(ts_corr(ts_rank(close, 10), ts_rank(volume, 10), 5), 20)",
    "time_consuming": 151.35,
    "status": "success",
    "timestamp": "2025-11-25 10:49:26",
    "alpha_id": "vR3nzM5A"
  },
  {
    "expression": "(close / ts_delay(close, 10) - 1) * ts_rank(volume, 20)",
    "time_consuming": 85.66,
    "status": "success",
    "timestamp": "2025-11-25 10:50:51",
    "alpha_id": "6XvPqqjL"
  },
  {
    "expression": "-ts_covariance(ts_rank(high, 10), ts_rank(volume, 10), 20)",
    "time_consuming": 115.29,
    "status": "success",
    "timestamp": "2025-11-25 10:52:47",
    "alpha_id": "LLAbXNP9"
  }
]