If you are USA resident and true only 19 years old ,best way would try to compete in different contests without charge -
http://individuals.interactivebrokers.com/en/general/education/IBTradingOlympiad.php?ib_entity=llc
This unique forum allows the future leaders in technology to compete for potential jobs and up to $100,000 in prize money. Interactive Brokers is sponsoring the Olympiad to highlight the growing need for tech savvy students in the financial industry, and to draw attention to this need in academia generally and particularly among students who are making important career choices.
You must try to win ,if not first price ,than 11-30
profit price
11 Shieh Ted UCLA Anderson $26,375 $10,000
12 Lei Gary University of Massachusetts Amherst $24,092 $10,000
13 Ng Stacy Washington University in St. Louis $22,049 $10,000
14 Smith Caleb University of Pennsylvania $17,085 $1,000
15 Chen Shi Amherst College $9,310 $1,000
16 Tate James
Princeton University $9,191 $1,000
17 Nguyen Hieu Baruch College $3,304 $1,000
18 Mehta Pratik York University $3,214 $1,000
19 Castura Jeff University of Ottawa $1,845 $1,000
20 Zhang Han University of Calgary $1,335 $1,000
21 To Quan Virginia Commonwealth University $1,191 $1,000
22 Schmidl Carla University of Texas at Arlington $1,033 $1,000
23 Winkelman Dominic Michigan Technological University $885 $1,000
24 Fedyk Anastassia Princeton University $767 $1,000
25 Bracken Charles Duke University $666 $1,000
26 Patton Joel University of New Hampshire $618 $1,000
27 Stephens Matthew Louisiana State University $371 $1,000