Bank option implied volatility into Brexit vote

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BARCLAYS PLC (NYSE: BCS) Delayed: 22.26 -0.53 (2.33%)
Previous Close $22.79    52 Week High $14.13 
Open $22.24    52 Week Low $6.76 
Day High $22.38    P/E N/A 
Day Low $22.21    EPS $0.00 
Volume 2,251,253       

HSBC HOLDINGS PLC (NYSE: HSBC) Delayed: 93.15 -1.42 (1.5%)
Previous Close $94.57    52 Week High $40.74 
Open $93.25    52 Week Low $28.62 
Day High $93.64    P/E N/A 
Day Low $93.15    EPS $0.00 
Volume 354,397       

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