I would pronounce it tee-vix, because of the stock ticker symbol TVIX[0] which was a leveraged volatility ETN and very popular in its day. a little too popular - credit suisse delisted it a couple
months after the initial market crash brought on by the pandemic caused it to skyrocket
ramses0|1 year ago
(kindof like tuh-veeex run together)
...as the candy bar etymology in their logo implies.