Trade levels

Floor trader pivots

Woodies pivots

julia> woodiespivots(ohlc)
504x7 TimeArray{Float64,2} 1980-01-04 to 1981-12-31

             s3      s2      s1      pivot   r1      r2      r3
1980-01-04 | 100.99  102.13  103.81  104.94  106.63  107.76  109.45
1980-01-07 | 103.54  104.31  105.53  106.30  107.52  108.29  109.51
1980-01-08 | 103.81  104.81  105.81  106.81  107.81  108.81  109.81
1980-01-09 | 104.45  105.37  107.45  108.37  110.45  111.37  113.45
...
1981-12-24 | 119.30  120.44  121.31  122.45  123.32  124.46  125.33
1981-12-28 | 120.31  120.94  121.80  122.43  123.29  123.92  124.78
1981-12-29 | 119.83  120.78  121.45  122.41  123.08  124.04  124.71
1981-12-30 | 119.00  120.06  120.78  121.84  122.56  123.62  124.34
1981-12-31 | 119.20  120.12  121.27  122.19  123.33  124.26  125.40