{
 "slug": "idio-skewness",
 "groups": 10,
 "as_of": "2026-05-31",
 "n_months": 89,
 "avg_per_group": 446.0,
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 "spread": {
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  "t_stat": -0.06,
  "win_rate": 49.0,
  "ann_top_minus_bottom": -1.1
 },
 "size_neutral_ann": -0.6,
 "monotonic_spearman": -0.06,
 "yearly": [
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   "bot_ex": 0.3
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   "year": 2020,
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  {
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  {
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  {
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  {
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   "bot_ex": -6.9
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  {
   "year": 2025,
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   "bot_ex": 0.5
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  {
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 ],
 "nav": {
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