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Thanks for the reply man. I am not even at 1/100th of that size, so as you say I should be less concerned. Please also read my reply to schweiz, do you think if some systems could sniff vulnerability? at least temporarily I mean.

Thanks schweiz, I remember a story (related or unrelated) you be the judge please. I started trading futures with this shady company PFGBest and lost money. Then, I identified some reliable momentum strategy and took action on Soybean Meals futures. I was naive and arrogant then and I...

Probably your quotes are delayed. Demo usually lags 10 mins

Was that useful for you? Does the paper stand the test of time

I hope the max damage (benefit in other words) is the mirroring; and they do not go to the extent of reverse engineering.

Any particular educational thread you suggest me reading?

Thanks. Everyone provided some important piece of the puzzle.

I might have confused people alittle bit. If I am taking liquidity (using limit order), in a relatively optimal zone, I do not want anyone mirroring me. Because my fills are the priority. I do not want anyone to jump with me, but after I get fully loaded it is fine. Now if the broker or their...

Hi thanks for your enlightening posts. Could you make a guess that in liquid markets, how much impact the spoofing can cause on price specially on intraday time frame? What solutions do you offer? Should retail just add extra spoofing noise to confuse the HFT algos? As you said this could...

Hey thanks. Yes you are right I mistook the "trade against" part as "mirror trading". Assuming the worst, and considering that my paranoia has some merit, would you suggest to complement one's strategies (ideas) with noise-making algos? May I private message you, because probably the followup...

Your argument (valid or invalid) has been mentioned many times before. By law and ethics the broker should not do it. By profit motive, I assume they (their employees) could. If you were a real estate agent and you had market insights by tracking the profitable property investors would you not...

Hi Guys, I am a new member but I have been reading the forums for over 5-6 years, and I appreciate anyone who has constructively participated and shared info. My questions: 1-Would brokers such as IB identify consistently profitable traders, and eventually trade against them or at least lift...