This point is further illustrated by the fact that, “the decline in turnover of spot and forwards occurred somewhat later than that in foreign exchange swaps and derivatives….Spot turnover reported in October 2008 was likely to have been supported by large cross-border capital flows as investors sought to reduce risk by repatriating foreign investments. In addition, the high frequency and impact of news at the height of the crisis would have generated the need for investors to frequently adjust their positions.”
The final revelation is that the change in forex volume was not always commensurate with changes in trade volume. A general relationship between trade and forex turnover has been observed, although speculators ensure that currency is exchanged much more frequently than actual goods and services. The two currency pairs registering the greatest unbalance are the CHF/USD and CAD/USD. Forex volume for the former fell much more sharply than trade, while the opposite is true of the latter. One can only speculate as to why this is the case. As for the CHF/USD, forex volume probably suffered disproportionately more because both the Swiss Franc and US Dollar were perceived as safe haven currencies, in which case it would be relatively less useful to exchange them for each other. In the case of the CAD/USD, meanwhile, it makes sense to view the imbalance in terms of the spectacular decline in trade, which was largely a product of declining commodity prices.
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