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Go to Time and Sales and look at the first print with a 08:30:00 CST time stamp. For 12/17/2010 the first print for ES at 08:30:00 CST was 1237.50 with a volume of 338.

If you are naked shorting futures options no broker will give you margin lower than SPAN margin. If you are naked shorting futures options no reliable broker will give you a "LOW fund requirement".

SPY is lower than SPX, not higher. As of 12/17/10 close SPX is 1243.91, SPY is 124.30. SPY is a market traded security. What is there to calculate other than the accrued dividend, the expense ratio and margin rates?

Maybe Bob Pisani could look up the actual data rather than just make it up. SPX options have the biggest open interest at the 1200 strike not the 1250 strike. open interest as of Dec 16, 2010 as reported at the CBOE: 1200 calls 295,486 1200 puts 295,714 1250 calls 141,919 1250 puts...

The ES DEC futures settle at the open tomorrow, not the close.

The S&P is at 1241 so I doubt it will ever drop 1500 points from here. :D

Expo futures is just ripping you off as exchange and clearing fees are nowhere near those outragous numbers. Here is a list of CME Globex exchange fees http://www.interactivebrokers.com/en/accounts/fees/CME.php?ib_entity=llc The highest CME Globex retail exchange fee is $2.30 a side...

All brokers have to pay clearing and exchange fees for exchange based trades and they are passed on to the customer. If you have a bundled stock rate the fees are all built in. With an unbundled stock rate you can get ECN rebates. With futures it is commissions plus clearing and exchange...

What tools are you using to measure the time lag? You need to start with your ping time to the TOS order server. You would also need to know where the TOS order server is in relation to the exchange's order matching server to account for that lag time. You also need to know how the TOS...

Is "inverted" a new futures market term ? In futures you have contango and backwardation. Current cost of carry for the last 2 years has kept the index futures in backwardation. Read all the details at http://indexarb.com/

Take a look at these 2 open source Java ATS for the IB API. JSystemTrader http://code.google.com/p/jsystemtrader/ JBookTrader http://code.google.com/p/jbooktrader/ You can modify them as you please to implement your own trading system.

IB doesn't supply tick data so no reason for tick charts. The IB data feed is a snapshot data feed. For example, futures data is a 100 millisecond snapshot. The upside is that the data feed doesn't lag in fast markets. The downside is no tick data. You have to go elsewhere for tick data.

Average account size varies among the brokerage firms. From 3rd quarter 10-Q reports: TradeStation - Average Account Assets Equities $70,700 Futures $21,800 Interactive Brokers - Average Account Assets Universal Account $125,000

You don't have to start from zero. You can start by looking at what already exists and works. There are two open source Java ATS platforms for the Interactive Brokers API: JSystemTrader http://code.google.com/p/jsystemtrader/ JBookTrader http://code.google.com/p/jbooktrader/ IB...

Futures options commissions are well under $3.00 a side with IB. For the first 1000 sides IB charges $0.85 plus exchange and NFA fees. Drops to $0.65 a side after 1000 sides. ES options are $1.41. EUR options are $1.71.

IB's commission negotiation policy is take it as is or leave it. For volume trading you need a clearing firm such as Advantage Futures. Commissions drop to $0.29 a side after 2,000 sides, $0.19 a side after 5,000 sides and $0.07 a side after 10,000 sides. You will have to pay for a trading...

My apologies, I missed the word "much" in the question and thus answered the wrong question. Here is the information on CME messaging (orders, modifies and cancels) policy at IB's site: http://ibkb.interactivebrokers.com/node/189

It is in the TWS user manual under "Get Started" and "Cancel an Order". http://www.interactivebrokers.com/en/software/tws/twsguide.htm You should spend some time to read the user manual for any trading platform you intend to use.

Be careful of what you think you know. Both gold and the US dollar were in up trends from February until June. Correlation matrix at MRCI: http://www.mrci.com/web/special/correl.htm

October 22nd is Friday this year.