TWS API (Interactive Brokers) interface program for MAC OSX (Java) which download realtime option chain data (approximately 700 lines) from TWS to [url removed, login to view] file. The option chain must be choosable by user input (eg. [url removed, login to view]).
[url removed, login to view] requirements notice: As originally posted, this bid request does not have complete details. Should a dispute arise and this project go into arbitration "as is", the contract's vagueness might cause it to be interpreted against you, even though you were acting in good-faith. So for your protection, if you are interested in this project, please work-out and document the requirements onsite.