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May I ask why do you think FTT is a horrible idea? I would like to hear your argument.

If the purpose is to tax the rich, then transaction tax on stocks is a bad idea. Stocks are public investment for everyone, including the middle class and poor. Transaction tax will hit the middle class and poor as well. If want to tax the rich, then tax income and high-end property. Not common...

Anyone knows what is Medallion Fund's 2020 performance? The other Renaissance funds suffered huge losses.

What were the problems you encountered when trading significant percentage of daily volume? Did you have problems exiting your trades in the illiquid equities?

It is risky to put in an excessively large position size in a single stock which has limited liquidity. I would like to ask the elite traders here are there any rule of thumb that you use when deciding on the maximum position size that you put into a stock based on its liquidity? This is not...

I can't think of good reasons why quants with an edge will want to expose their secrets out in public FREE of charge. Doing that will kill the effectiveness of their strategy. Look at how secretive the quant hedge funds are. Quantopian business strategy is doomed to fail given the secrecy of...

Thanks. Advantage of change is more liquidity on bid and offer. Disadvantage is bigger spread. I think this change seems to favour market makers.

When I place stop limit orders on IBKR platform, are these orders visible to other market participants? I would like to know in the context of placing orders for Hong Kong stocks, Australian stocks and U.S stocks. IBKR offers the option of having hidden orders. I'm not sure if it is a good...

I use Interactive Brokers. IBKR provides hidden orders as an option. What are appropriate situations to use hidden orders? I would like to know for the context of Hong Kong stocks, Australian stocks and U.S stocks.

I don't really understand what's the impact of the change. What are the pros and cons of big tick size versus small tick size? From posts in this thread, some like it, some hate it.

So sorry to hear about the tragedy for the Ray family. I like Ray Dalio. I believe he is sincere when he says he wants to help younger people, given that he has already attained huge success. I don't think it's suicide. That would be an evil way to commit suicide because it endangers other...

Could you tell me what is the title of the book? I hope it is in English. Thank you.

Good idea. I second this.

I believe there are many elitetraders here who put far more than 10% of net worth with IBKR because they really aren't many alternative brokers out there who can match IBKR's offerings. Hence, financial safety is so important and concerning to IBKR clients.

You can use data from elsewhere and execute orders using IBKR. That's what I do. TWS charting is lousy and slow to load. Even a new kid on the block like Tiger does a better job at this. Other than that plus the outages this year, I am a satisfied customer of IBKR.

Thank you very much for your reply. Financial safety is always a concern for brokerage clients no matter how safe the broker is. IBKR ranks well in safety but clients who are careful traders/investors will always be vigilant about safety. Another important aspect that clients are particular...

Recently, I read about the story of MF Global and it sends shivers up my spine. Jon Corzine caused MF Global to go bankrupt through proprietary trading and even took client money down with it. If it can happen to a big broker like MF Global, why can't it happen to other brokers? Even one as big...

If a "guru" is trying to sell his trading course or trading signal, the best way I can think of to assess whether he is a real guru or not is; - get his long-term track record spanning both bull and bear markets showing both returns and drawdown. All trades must be shown. All losers as well as...

Not easy to day trade USD370m. How to move in and out such a huge amount? I suspect he is only day trading a fraction of this huge sum and investing the rest. Any day traders here? What is the fund size limit at which performance starts to deteriorate?

Newbies should not use any leverage at all. Period.