Wich code I need to make a trading plataform for stock and options?

Question

Html ,css, php, but I need to know how can I make the transactions, some body help me

Answer 1

depends on what exactly you want to do and on what scale and timescale. do you just want to buy and sell at a certain exchange? exchanges provide apis. do you want to write your own exchange? if yes then don‘t do it in php and come back after you have a few years if experience.
do you want to do hight frequency trading? don‘t do it in php and come back in a few years after you have experience

Answer 2

Yes, I will use an API for the trading.

Answer 3

then what are you having problems with?

Answer 4

Html is css ,js and sql basics enough at middle from web app to sql database (database is really important for this) you'll need a framework maybe explained here take a look
https://www.sololearn.com/discuss/1301376/?ref=app

Answer 5

Yes I need to make the structure of the system, and the components