I work on a trading desk at a financial firm. I just checked out all our applications, and they total 388444 non-comment lines of Java, 73889 of JavaScript, 136

I work on a trading desk at a financial firm. I just checked out all our applications, and they total 388444 non-comment lines of Java, 73889 of JavaScript, 13619 of Python, 9160 of C++, and some other things. The JS probably includes some vendored libraries. Also, this is just apps - we have a bunch of libraries used across our apps which will add tens or low hundreds of thousands more lines, but i have no systematic way to check them out, so i can't tell. That's a single trading desk!