step_ahead,prediction
1,193.37704
2,194.1639
3,194.26044
4,194.42755
5,194.62025
6,195.29349
7,193.96729
8,193.83171
9,194.37491
10,193.4056
11,194.75023
12,194.04228
13,194.38402
14,194.159
15,195.46806
16,194.53696
17,194.84224
18,194.55322
19,193.17873
20,193.6742
21,193.3798
22,193.25676
23,193.56357
24,193.71146
25,193.17645
26,193.55121
27,194.794
28,194.4458
29,194.04996
30,193.26553