There are surrogates, which come in the form of Exchange Traded products ( ETFs and ETNs) that have been developed to mimic the VIX, such as TVIX, UVXY, VIXM, and VIXY, but these products carry several transparency and tracking issues.
TVIX，高清播放机名称。TViX TVX HD M-6500A高清播放机不仅外观轻巧时尚，而且是支持高清晰视频播放和照片浏览的最高级的高清播放机。拥有支持H.264(MKV)的性能，HDMI 1.3的输出接口和内置一块SATA硬盘的模具， TViX HD M-6500A高清播放机保证在高清视频和音频的播放上提供最高性能和最高品质，且不用更多的硬盘存储空间。