Just rolled out automatic spike filter

See britcoinGBP:

Before	After
https://lh6.googleusercontent.com/-QhM7c9cuzyI/TnkGG3o2FEE/AAAAAAAAADI/yBFkxMmeIEY/s275-c/2011092002	https://lh6.googleusercontent.com/-GsJEQCvRoQM/TnkGKOTQf0I/AAAAAAAAADI/Q70bIau3bVA/s275-c/photo.jpg

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