Data before 2018-06 for GBP5YX1YATM=R, Field GEN_VAL8

jnicolson

Hi LSEG,

We're seeing some unusual values for this ticker for dates before 2018-06. For instance, there are several sharp shifts up and down in 2016:

2016-07-08 15:05:00,90.13
2016-07-08 15:10:00,89.18
2016-07-08 15:15:00,74.84
2016-07-08 15:20:00,75.69

2016-07-12 07:05:00,76.89
2016-07-12 07:10:00,77.83
2016-07-12 07:15:00,94.67
2016-07-12 07:25:00,95.04

Is there a reason for this?
Can it be cleaned up in some way?

Thanks in advance,
James