Such dramatic fall within a short period could be because of speculators. Recall the George Soros bet against UK pound.Flood impact do not happen this fast at macroeconomic levels.
More to do with unending fiscal blunders.
PKR crossed 240
George Soros and the Bank of England clashed in 1992, and the victor was the legend among investors. How the hell did he do it? We're here to answer.
I think that because of the devastation due to flood, the speculators are gambling that Pak GDP will tank. This has led to an oversold PKR.