TY  - BOOK
AU  - Conrick IV, Charkes 
AU  - Hanson, Scott. 
TI  - Vertical option spreads : : a study of the 1.8 standard deviation inflection point / 
SN  - 9781118537008
U1  - FOR 332.6328 C76v 2013 
PY  - 2013///
CY  - New Jersey : 
PB  - Wiley
KW  - Options (Finance).
N1  - Includes index.
ER  -