Bank option implied volatility into Brexit vote

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BARCLAYS PLC (NYSE: BCS) Delayed: 21.86 -0.57 (2.54%)
Previous Close $22.43    52 Week High $14.13 
Open $21.75    52 Week Low $6.76 
Day High $21.99    P/E N/A 
Day Low $21.50    EPS $0.00 
Volume 8,625,450       

HSBC HOLDINGS PLC (NYSE: HSBC) Delayed: 84.05 -1.7 (1.98%)
Previous Close $85.75    52 Week High $40.74 
Open $83.27    52 Week Low $28.62 
Day High $84.36    P/E N/A 
Day Low $82.83    EPS $0.00 
Volume 1,999,860       

THE ROYAL BANK OF SCOTLAND GROUP PLC (NYSE: RBS) Delayed: 3.09 --0 (-0%)
Previous Close $3.09    52 Week High $9.66 
Open $24.98    52 Week Low $3.91 
Day High $3.09    P/E N/A 
Day Low $3.09    EPS $0.00 
Volume 2,168