About Portfolio Performance Issues Related to AIG 20:1 Reverse Split
Tuesday, July 7th, 2009We are fully aware of the portfolio performance issue that’s been plaguing our July contest. Couple things happened that caused the spikes in affected portfolios. The issue originated from a data issue from our vendor. We did not get a data feed of AIG 20:1 reverse split on July 1st until late in the morning. So, portfolios that had AIG holdings on 6/30 had a huge increase in performance all of a sudden. The huge gains (250%+) you saw on July contest leaderboard were due to this issue. Second issue is we had a bug in our batch fixing code that retroactively corrects portfolios with missed stock split transaction. After our initial correction on July 1st, we discovered the AIG split were handled twice on a number of portfolio. This explains why some users still had huge gains and some users had big loses after July 1st. We have fixed the bug and have been auditing and fixing each affected portfolio manually. That’s why some of you may still have performance issue with your portfolio. All affected portfolios should be fixed by the end of this week. Please continue to send us email at contact@updown.com if you believe your portfolio still have performance issue. We are working diligently to resolve this issue as quickly as possible.





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