Dash datatable using a nested dict anyone done it?

New to Julia
,
2

Is this what you want (I am writing a one-liner):

julia> insertcols!(reduce(vcat, DataFrame.(values(ata_flow)), cols=:union), :stock => collect(keys(ata_flow)))
4×8 DataFrame
 Row │ hv10    hv20    hv5     iv      iv_%    prc_%    price   stock
     │ String  String  String  String  String  String?  String  String
─────┼─────────────────────────────────────────────────────────────────
   1 │ 45.99   52.14   41.21   40.64   83.4    7.51     122.16  AMZN
   2 │ 13.87   12.71   10.32   17.62   65.61   19.37    51.27   VZ
   3 │ 21.26   42.75   20.79   31.75   72.73   11.86    51.78   C
   4 │ 19.16   24.97   18.77   27.62   70.36   missing  195.55  IEX

or (a bit longer but maybe easier to understand)

julia> df = DataFrame()
0×0 DataFrame

julia> foreach(row -> push!(df, row, cols=:union), values(ata_flow))

julia> df.stock .= keys(ata_flow)
4-element Vector{String}:
 "AMZN"
 "VZ"
 "C"
 "IEX"

julia> df
4×8 DataFrame
 Row │ hv10    price   iv_%    hv20    iv      hv5     prc_%    stock
     │ String  String  String  String  String  String  String?  String
─────┼─────────────────────────────────────────────────────────────────
   1 │ 45.99   122.16  83.4    52.14   40.64   41.21   7.51     AMZN
   2 │ 13.87   51.27   65.61   12.71   17.62   10.32   19.37    VZ
   3 │ 21.26   51.78   72.73   42.75   31.75   20.79   11.86    C
   4 │ 19.16   195.55  70.36   24.97   27.62   18.77   missing  IEX
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