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TradeBot is a stat-arb shop, right? Probably what happened was that their inter-market relationships were so far outside the normal realm that they probably just avoided trading altogether. The real issue is what a pure-MM rebate-trading operation did.

was just announced on CNBC also

Well, until my technology improves it just signals to me that I need to always remain hedged.

The part that made me nervous was that the open/close pnl was way off. I was blind, and panicked out. It was oscillating between + a few thousand and - a few thousand, and I had no idea how to process it. So I just closed all positions.

I was up $2000, then ended up down $47. I was long VXX, but got caught on GD. I've never experienced anything like this in my life. All of my other hedges worked. I don't know what to think, but I am happy I got away with this.

As in, I lost everything I made on the VXX.

Tradestation konked out on me. I was up crazy crazy $ long VXX, then I was down crazy, crazy money. I panicked, started closing all my positions, and the very last thing I saw was that I was down $47. I have never seen anything like this before.

+$5.65. I panicked a little today when 'X' was running up against me. I overrode my system because of fear. Had I not overrode the system, the end of day profit would've been something like -$40 or so. But by mid day, I was down $81. But I did two things in discretionary-land that...

What causes a stock like this to be so sloppy and fast? The stock doesn't just move or roll, it pops up and down with bursts back and forth. Why does this happen in this particular stock?

Usually they just recreate what the knew from their heads, unless they're thieves. Takes a while to bootstrap and bring up the infrastructure over again, but sometimes they can also use the new company's stuff and programmers without too much difficulty.

Downside volatility usually gets more downside volatility.

Did not trade, had outside business. Kind of regretting not being able to trade, seeing as the market really moved today. Could have been some serious profit.

Well, I was on unemployment for a total of 3 weeks before I found some contract to buffer my income until my lease expires. But I'm making about 2/3 what I used to; however, the number of hours I'm working are halved. So, in a way, I feel like I've won because I didn't like the 40 hour grind...

I'd have issues with such vast differences in liquidity, but it's an interesting idea. The platform I use now currently builds bars based on the the last trade, not the best bid or ask. So testing strategies where there is always someone quoting but not a lot of volume tends to be difficult to...

Why are high frequency participants not beating you to the punch if it's such a sure thing? I don't suppose you could post a chart of such contracts (or links.) These may seem like stupid questions, but I've never gotten involved with futures. What's the risk exactly? I'm assuming you have...

Is there any way to proxy these spreads in the equity market? I'm assuming you're talking about calendar spreads.

If it's profitable for them, sure. The spread in options is a direct function of the cost structure involved for the MMs. If it's a penny option with high volume, you'll get guys who'll step in and play games trying to collect the spread (and I guess, on some ECNs a rebate), because...

+$45.54 Stressful day. Should have been down 30, but caught a lucky break. I'll take it.

Because the market-maker wants to be compensated for the risk he has to absorb in something that is more volatile. His edge-per-trade needs to go up.

I should've just said worth gold. Advice has no weight, so perhaps e-gold? I've lived here my whole life and the more I write, the more I realize I use some phrases totally incorrectly.