Last Friday's forceful intervention by the PBOC, in which the central bank hiked the reserve requirement for FX forwards trading from 0% to 20%, was a warning shot at the gathering yuan shorts who managed to briefly send the Chinese currency below 6.90 against the dollar last week, after losing 4% of its value in the past month, and bringing the cumulative decline against the dollar to 10% since April, a far steeper drop than seen during the 2015 devaluation.
The yuan slide had come amid growing speculation that Chinese authorities are more willing to let their currency weaken along with market forces and an escalating trade war, at least for as long as they felt any capital account leakages are contained and manageable.
And yet, despite China's long overdue intervention - after all, once capital flight begins as new holes in the capital account are uncovered, it would be too late to prevent a repeat of the 2015 scenario - the debate about Chinese currency depreciation and what happens next with Chinese policy gathered pace, with ING last week proposing that this latest attempt to "nuke the shorts" is doomed to failure, just like previous unilateral FX interventions.
Over the weekend, JPMorgan echoed ING's skepticism, writing that despite Friday's PBoC announcement and despite the cumulative depreciation over the past two months, "the pressure on the Chinese renminbi to decline further against the dollar is unlikely to go away if trade tensions with the US escalate further from here."
Meanwhile, in a move that puzzled many China watchers, at the same time that the PBoC announced an increase in the reserve requirement ratio for fx forwards trading, China announced that it would implement tariffs on $60bn of imports in response to a threat by the US earlier this week to raise the tariff rate from 10% to 25% on $200bn of Chinese exports to the US, prompting some to speculate that the FX intervention was merely implemented to prevent a collapse in the yuan beyond 7.00 vs the dollar as the market freaked out about the latest Chinese retaliation.
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