You're Right!
The chart now updates the move to the downside since it did not trade high enough to add an additional X at 14.5. The chart reverses down into O's.
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exercises beginning page.
15.5
15.0
14.5 
14.0                           X   
13.5 O   *                     X O      
13.0 O ----* ------------------X O
12.5 O       *                 X O
12.0 O X ------* --------------X O
11.5 O X O       *     X       X O
11.0 O X O X ------* --X O X --X O 
10.5 O X O X O       * 7 O 8 O X  
10.0 O X O X O X ------X O X O X --
9.5  O X O X O X O X   X O X O X  
9.0  O X O X 5 X O X O X O --O * --
8.5  O X 4 X O X O 6 O X   * *   
8.0  O --O X O * O X O X * --------
7.5      O * *   O X O *      
7.0  --* * ------O --* ------------