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Have you thought about opening an Interactive Brokers paper trading account? They keep track of the total return, though their reporting can be trickier to use than it should be. It's also a very good simulation of what investment professionals use, since it's what investment professionals use. If you want to teach investment, I believe Equities Lab might ...


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Try use WiredTiger (http://www.wiredtiger.com/) WT is embedded no-sql solution and can be confugured as column-oriented or row-orinted on table level. Time series data may implemented by using time-sequenced primary key. MongoDB and Amazon using this database for their solutions. Also some of HFT trading systems using this database. Michael Cahill and ...



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