I complained about this a couple of months ago, but nothing seems to have changed. I use eSignal to feed an excel worksheet, and the BID and ASK that it feeds before the opening are almost always off. The last price is usually correct, and the correct quotes seem to be present in the quote window, but the quotes sent to my worksheet are wrong. In fact, quite often (maybe always) it sends the lowest bid and the highest offer. Once the market opens, the problem instantly disappears. Sometimes the problem returns after-hours. I like to trade before the open at times, and it is a pain to not have my worksheet work (I have to manually calculate everything). It would be great if this bug could be fixed.
