I am quite skeptical that nowadays it is enough to be a good programmer to make money on Wall Street. A very famous trader recently said in this regard that what is and will always be important is understanding human nature. However, it seems that successful programmers want to strike deals that give them the possibility to share profits and retain the ownership of the code they write. The companies they work for make $100K a day when they may be paid $150K a year. It is an intellectual property problem. When competition increases in high frequency trading, margins will decrease and programmers might want to go back to the old "safe" way they were paid. Sometimes I have the doubt that it is enough to have a piece of spyware, which can monitor information from programs that use certain protocols to make big money. A hacker could monitor someone's trades dropping a sniffer and intercepting trading programs. It would be a sort of real-time insider trading. A modern version of an old, and "sure", way of making money.

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James Lackey comments:

Stick a trading sheet with a programmer's name on it with a 500k daily loss and see if he wants to enlist in the traders training program or go back to his desk. Ha. It's easy to target shoot but it's harder when they are gunning for you.

But Tony C on here years ago thought he discovered Spyware on his quotes from Enron. Drag your mouse cursor over the quote and see if HFT lifts their 100 share penny offer.

 Charles Sorkin writes:

I've often suspected that something like Tony C's situation happens in the options market. For instance, I can't tell you how often I've entered limit orders on an option with limited activity, and I get "pennied," so-to-speak.

For instance, consider a market for an equity call option that is quoted as $2.50 - $2.80, for a few hundred contracts on both sides. I enter a limit order to sell 10 contracts at $2.70, making the market $2.50 - $2.70, hundreds x 10. Hardly a second later, the market updates again, to something like $2.50 -$2.65, hundreds by 10. GRRR!!!!

Somebody/ something steps in front of me, on a contract that potentially has hardly any open interest, and very little activity in the whole series, perhaps with the expectation that I will lose patience and hit the original bid.

Very frustrating. Sometimes I pull my offer, and watch incredulously as the quote reverts to it's original level.


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