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 "data_notes": {
  "dividends_2016_on": 110133,
  "share_with_declaration_date": 0.835045,
  "share_with_declaration_date_by_year": {
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  "key_date_range": [
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  "adjustment_factor_move_day_vs_ex_date": {
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  "tesla_first_on_list": "2020-12-28",
  "sp500_list_source": "FinLab dataset description: archived Wikipedia snapshots carried forward before 2022-11-08 (spacing median 8 days, maximum 36 days), daily Wikipedia snapshots after that; dates are not official effective dates.",
  "addition_rule_every_list_change_kept": {
   "sharpe": 0.40617,
   "annual_return": 0.052484
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}