I read a post saying 2015 Aug on the day market crashes, the trading is halted for some time.(Causing some problems such as VIX is not able to calculate as it's too volatile(no quote), a lot stocks had no quotes at 9:30, The backtest for that period works fine(we get all the quotes). So in this case in real time will quantopian auto trading be affected ? Is there a chance we can't get the open price for our algorithm?
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