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			 Yuan volatility and the bias toward a weaker yuan in options markets 
			have surged to record highs in the past week and dealers say 
			billions of "low delta puts", which pay out only when the offshore 
			yuan rate gets above 7.20 per dollar, have been taken out. 
			 
			The yuan is also back under pressure in the offshore spot market, 
			falling to a three-week low of 6.6510 yuan as London opened on 
			Wednesday <CNH=D3>. Onshore rates, which China controls tightly, 
			were steady at 6.5778 <CNY=>. 
			 
			One-month volatility on the offshore yuan jumped from below 8 
			percent to almost 10 percent, a record high, versus 8.5 percent on 
			the euro-dollar equivalent. 
			 
			Traders said option volumes - difficult to track because most of the 
			market is conducted over-the-counter rather than on traceable 
			platforms or exchanges - reached $12 billion on Monday and almost 
			$17 billion on Tuesday. 
			  
			  
			In morning trade in London, when dealers in the world's biggest 
			currency trading center are operating alongside their counterparts 
			in Beijing and Shanghai, the bias toward a weaker yuan - essentially 
			a net measurement - on 1-, 2-, 3- and 6-month contracts all 
			surpassed record levels hit in August. 
			 
			"Clearly, the market sees that the intensive intervention from PBoC 
			(People's Bank of China) is not sustainable, and therefore the 
			central bank will have to let the currency go at some point," said 
			Hao Zhou, a currency strategist at Commerzbank in Singapore. 
			 
			Much talk centers around how much more China will have leaked in 
			reserves in January, in data due by the end of this week. 
			 
			Reuters polling <ECONCN> of more than a dozen banks puts the fall at 
			a record $130 billion, reducing China's war chest to combat yuan 
			weakness to $3.2 trillion. 
			 
			Some hedge funds betting against the yuan have speculated the drop 
			will be $200 billion or more. The sales desk of one large 
			international bank in London was circulating an estimate of $262 
			billion to selected clients on Tuesday in an email seen by Reuters. 
			 
			
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			WARNINGS 
			 
			Analysts from Bank of America Merrill Lynch called on Friday for G20 
			financial leaders to agree next month in Shanghai to joint steps 
			that would include a one-off devaluation of the yuan and a 
			commitment to a stable dollar to prop up flagging growth and head 
			off another financial market panic. 
			Against that, China has repeatedly warned "speculators" in the run 
			up to the week-long Lunar New Year starting this weekend that it 
			will keep the yuan steady. 
			 
			China launches its 12-month presidency of the G20 group of developed 
			and developing economies with the Shanghai meeting of finance 
			ministers and central bank governors on Feb. 26-27. 
			 
			Another big report this week on the yuan, from analysts at French 
			bank Societe Generale, gave a one-in-three probability of the 
			currency sliding to 7.50 by the end of 2016. 
			 
			"The People's Bank of China (PBoC) may insist that it has no 
			intention to devalue the yuan, but capital flows are putting 
			significant downward pressure on the currency. China's FX reserves 
			are large but far from unlimited, or even sufficient, if large 
			capital outflows persist. 
			
			  
			"Our central scenario (65 percent probability) envisions USD/CNY 
			reaching 6.80 in 2016 in a largely gradual and controlled manner, 
			but there is a large and growing risk that USD/CNY trades up to 7.50 
			this year." 
			 
			(Editing by Ruth Pitchford) 
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