{
  "topic": "ai",
  "topic_label": "AI",
  "unit": "USD",
  "target": "value",
  "source": "yfinance:NVDA",
  "freq_days": 1.0,
  "lookback": 30,
  "horizon_steps": 7,
  "horizon_days": 7,
  "hidden_size": 32,
  "num_layers": 1,
  "dropout": 0.1,
  "input_size": 7,
  "features": [
    "rel",
    "ret1",
    "ma7",
    "ma30",
    "vol7",
    "dow_sin",
    "dow_cos"
  ],
  "epochs_used": 4,
  "val_mae": 0.282613076456581,
  "val_rel_mae": 0.044640567153692245,
  "val_h1_mape": 0.02340120725183143,
  "val_h1_smape": 0.02331199678625571,
  "naive_baseline_mae": 0.2829648257095697,
  "validation": {
    "steps": [
      {
        "step": 1,
        "mae": 0.282613076456581,
        "rmse": 0.47160940456107847,
        "smape": 0.02331199678625571
      },
      {
        "step": 2,
        "mae": 0.4007402881016968,
        "rmse": 0.6490211437731224,
        "smape": 0.03278078872465645
      },
      {
        "step": 3,
        "mae": 0.4701375779408717,
        "rmse": 0.776861186835519,
        "smape": 0.03907165297148577
      },
      {
        "step": 4,
        "mae": 0.5482653677153915,
        "rmse": 0.9000958402325213,
        "smape": 0.0455290421339929
      },
      {
        "step": 5,
        "mae": 0.621432592012521,
        "rmse": 1.018391719825953,
        "smape": 0.05140171950529982
      },
      {
        "step": 6,
        "mae": 0.6933774090669628,
        "rmse": 1.1060517777234629,
        "smape": 0.057532014560455334
      },
      {
        "step": 7,
        "mae": 0.7615247784670339,
        "rmse": 1.215800964309593,
        "smape": 0.06246654047152367
      }
    ],
    "directional": [
      {
        "step": 1,
        "accuracy": 0.5386847195357833,
        "coverage": 0.9980694980694981,
        "n": 1034
      },
      {
        "step": 2,
        "accuracy": 0.4454106280193237,
        "coverage": 0.999034749034749,
        "n": 1035
      },
      {
        "step": 3,
        "accuracy": 0.5598455598455598,
        "coverage": 1.0,
        "n": 1036
      },
      {
        "step": 4,
        "accuracy": 0.5617760617760618,
        "coverage": 1.0,
        "n": 1036
      },
      {
        "step": 5,
        "accuracy": 0.5681159420289855,
        "coverage": 0.999034749034749,
        "n": 1035
      },
      {
        "step": 6,
        "accuracy": 0.4971042471042471,
        "coverage": 1.0,
        "n": 1036
      },
      {
        "step": 7,
        "accuracy": 0.42857142857142855,
        "coverage": 1.0,
        "n": 1036
      }
    ],
    "naive": [
      {
        "step": 1,
        "mae": 0.2829648257095697,
        "rmse": 0.47030875983243203,
        "smape": 0.02340393821175765
      },
      {
        "step": 2,
        "mae": 0.39190907152522847,
        "rmse": 0.6428866852089546,
        "smape": 0.031745123085122895
      },
      {
        "step": 3,
        "mae": 0.4708778428220998,
        "rmse": 0.7750780998133701,
        "smape": 0.039309738991967366
      },
      {
        "step": 4,
        "mae": 0.5496893379641903,
        "rmse": 0.8969763809465335,
        "smape": 0.0460047619938567
      },
      {
        "step": 5,
        "mae": 0.6156320679278932,
        "rmse": 0.9982366703628458,
        "smape": 0.051732412151957674
      },
      {
        "step": 6,
        "mae": 0.6931112011433568,
        "rmse": 1.105659849755546,
        "smape": 0.05743046418936832
      },
      {
        "step": 7,
        "mae": 0.7585767914619688,
        "rmse": 1.2146108942604068,
        "smape": 0.062035880053521536
      }
    ],
    "sma": [
      {
        "step": 1,
        "mae": 0.4642544850744735,
        "rmse": 0.754962325009606,
        "smape": 0.03866846794344799
      },
      {
        "step": 2,
        "mae": 0.546275959460891,
        "rmse": 0.8848939042656493,
        "smape": 0.045281204371228685
      },
      {
        "step": 3,
        "mae": 0.6196811386781257,
        "rmse": 1.0044392120150842,
        "smape": 0.05126058064049477
      },
      {
        "step": 4,
        "mae": 0.6882831894905062,
        "rmse": 1.1144349491968941,
        "smape": 0.056733434094471326
      },
      {
        "step": 5,
        "mae": 0.7534842340124925,
        "rmse": 1.2143799013518122,
        "smape": 0.06186503160181209
      },
      {
        "step": 6,
        "mae": 0.8185716252135402,
        "rmse": 1.312984055703559,
        "smape": 0.06674938166461823
      },
      {
        "step": 7,
        "mae": 0.8763704301691514,
        "rmse": 1.407090206334125,
        "smape": 0.07116390936157078
      }
    ],
    "rel_mae": 0.044640567153692245,
    "h1_mape": 0.02340120725183143,
    "h1_smape": 0.02331199678625571,
    "mae_h1": 0.282613076456581,
    "mae_all": 0.5397272985372942
  },
  "test": {
    "steps": [
      {
        "step": 1,
        "mae": 2.171157899126771,
        "rmse": 3.32113261574096,
        "smape": 0.022642157930403136
      },
      {
        "step": 2,
        "mae": 3.2010317526655974,
        "rmse": 4.647238735866939,
        "smape": 0.034264507772646884
      },
      {
        "step": 3,
        "mae": 3.7897075053292943,
        "rmse": 5.614838501206407,
        "smape": 0.04053792767289402
      },
      {
        "step": 4,
        "mae": 4.406534194234647,
        "rmse": 6.406733672728961,
        "smape": 0.04666358001806869
      },
      {
        "step": 5,
        "mae": 4.854686946044398,
        "rmse": 7.040575750001931,
        "smape": 0.050988343834250584
      },
      {
        "step": 6,
        "mae": 5.311793784928381,
        "rmse": 7.544010179886118,
        "smape": 0.057245495069059585
      },
      {
        "step": 7,
        "mae": 5.691782895745284,
        "rmse": 8.04776790606914,
        "smape": 0.062017885358631716
      }
    ],
    "directional": [
      {
        "step": 1,
        "accuracy": 0.5461538461538461,
        "coverage": 0.9990393852065321,
        "n": 1040
      },
      {
        "step": 2,
        "accuracy": 0.4399615754082613,
        "coverage": 1.0,
        "n": 1041
      },
      {
        "step": 3,
        "accuracy": 0.5802113352545629,
        "coverage": 1.0,
        "n": 1041
      },
      {
        "step": 4,
        "accuracy": 0.5830931796349664,
        "coverage": 1.0,
        "n": 1041
      },
      {
        "step": 5,
        "accuracy": 0.5946205571565802,
        "coverage": 1.0,
        "n": 1041
      },
      {
        "step": 6,
        "accuracy": 0.4610951008645533,
        "coverage": 1.0,
        "n": 1041
      },
      {
        "step": 7,
        "accuracy": 0.414985590778098,
        "coverage": 1.0,
        "n": 1041
      }
    ],
    "naive": [
      {
        "step": 1,
        "mae": 2.1819835007167865,
        "rmse": 3.3269379956119347,
        "smape": 0.022807424265439215
      },
      {
        "step": 2,
        "mae": 3.0923422381467773,
        "rmse": 4.536290572571842,
        "smape": 0.03309701804452249
      },
      {
        "step": 3,
        "mae": 3.820473330288531,
        "rmse": 5.638602685344449,
        "smape": 0.04099632360755897
      },
      {
        "step": 4,
        "mae": 4.445104636711612,
        "rmse": 6.435559705748722,
        "smape": 0.047321995543686615
      },
      {
        "step": 5,
        "mae": 4.886280517464488,
        "rmse": 7.011529184790663,
        "smape": 0.052229321611922966
      },
      {
        "step": 6,
        "mae": 5.286308555739628,
        "rmse": 7.5263663631627145,
        "smape": 0.05686469899636971
      },
      {
        "step": 7,
        "mae": 5.6471277405046605,
        "rmse": 7.997481279838552,
        "smape": 0.061381634613007094
      }
    ],
    "sma": [
      {
        "step": 1,
        "mae": 3.672482749246279,
        "rmse": 5.239523404720734,
        "smape": 0.039479493466667084
      },
      {
        "step": 2,
        "mae": 4.253808705522125,
        "rmse": 5.995573261445778,
        "smape": 0.0459946915862446
      },
      {
        "step": 3,
        "mae": 4.764532015070178,
        "rmse": 6.644114062686617,
        "smape": 0.05185947687386116
      },
      {
        "step": 4,
        "mae": 5.187084561265566,
        "rmse": 7.19099863123233,
        "smape": 0.056909582465281834
      },
      {
        "step": 5,
        "mae": 5.552961324859218,
        "rmse": 7.681027218931795,
        "smape": 0.061573094353863954
      },
      {
        "step": 6,
        "mae": 5.881099277737071,
        "rmse": 8.131919096045957,
        "smape": 0.06597201511188433
      },
      {
        "step": 7,
        "mae": 6.181589614494995,
        "rmse": 8.557293929211086,
        "smape": 0.0700705000924043
      }
    ],
    "rel_mae": 0.04548212140798569,
    "h1_mape": 0.022638496693205532,
    "h1_smape": 0.022642157930403136,
    "mae_h1": 2.171157899126771,
    "mae_all": 4.203813568296339
  },
  "step_std_rel": [
    0.032309360802173615,
    0.04282720759510994,
    0.052927013486623764,
    0.06105669587850571,
    0.0682152658700943,
    0.07488402724266052,
    0.08009954541921616
  ],
  "last_date": "2026-08-21 00:00:00",
  "last_value": 214.72000122070312
}