eg.
β


- , ' , - ( ) ( , 10, , DJIA S&P500).
, 0 . , "" 0 10 ( ), ...

...


-
̲


3
1 Ͳ ̲ -. Ͳ -˲ Ҳ 5
2 ˲ Ҳ-ֲ, ղͲ 8
2.1 - 8
2.2 9
3 ̲ Ҳ-ֲ вͲ -˲ί IJҲ 11
3.1 11
3.2 13
3.3 14
3.4 - 15
17
ί ˲ 18

...





3
1. 5
2. 7
2.1 7
2.2 9
2.3 () 10
2.4 - 11
3. 12
15
17

...





3
1. 4
1.1 4
1.2 5
2. 7
3. 9
3.1 9
3.2 10
4. -. - 15
19
20

...






3
1. . 4
2. . 6
3. 8
3.1 8
3.2 10
3.3 10
3.4 12
4. 13
4.1 14
4.2 15
4.3 15
4.4 16
18
19

...