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The iPad is a dealbreaker for most trading applications, other than perhaps your broker's order-entry interface if they have an app for it. No java. No Excel.

You gotta be crazy to even be considering this just to save a few bucks on data fees. Their iphone/iPad apps work pretty well. I'd stick with that if you need something mobile.

I think the PM still applies if you drop under 100k, but it only allows closing orders from that point rather than RegT.

It's broker-specific, but if you use IB they have a PortfolioAnalyst tool that does it.

I would say the portfolio of systems described in acrarys threads are pretty close to the holy grail in trading, considering he said they run in very liquid markets.

They wouldn't exist if there were no reason for them to.

Insane lack of diversification.

Latency is terrible. Multiple hundreds of milliseconds.

I'm not in trading, but I didn't seriously consider quitting my staff job for the risk business until I was 1. making 1x my annual salary working part-time 2. had minimum 300k net worth

Isn't it already illegal to spill oil into the water willfully or negligently?

One of the Themis Trading ideas I like is to make all orders active for a minimum of 1 second. That would level the playing field.

It's your entire net worth at stake if your broker can sue you for the deficiency. It would be a good strategy if the only recourse were to the funds in the account.

The edge comes from SPX puts being systematically overpriced. Problem is it's path-dependent. If the SPX crashes but recovers the next day, you still get hosed due to your broker liquidating you. And if you trade it at a level where that can't happen, the returns are unexceptional.

I would see the benefits more like having a room mate. You could split the office rent, plus have people around to tend to your systems while you're on vacation. Having people to bounce ideas off of would be gravy.

You have to beware of collusion at the higher limits. But at least in 2/4 online you can play lots of games simultaneously.

You can get a strong edge in pro gambling but after a few years you kind of wear out on it because it doesn't scale up unless you're willing to hire/train/trust a bunch of employees to expand your business. My background is in casino games other than poker.

I think trading is more closely related to the skill set for a professional blackjack or video poker player. Find edge, size bets to your bankroll, repeat.

Very SFO to have a communal traders study group. Wish you guys the best of luck.

If you hedge it perfectly you will end up with only the risk-free rate. If you want the 5% yield you have to take the risk of holding the long bond.

It is a question of how much security we expect and demand from our government. There is always a tradeoff between security and convenience. The TSA is getting close to the maximum the American people will bear.