I don't know where coinmarketcap get their quotes, but looking at bitfinex and other major exchanges, USDT stays firmly above 1 USD at all times, except a few m

I don't know where coinmarketcap get their quotes, but looking at bitfinex and other major exchanges, USDT stays firmly above 1 USD at all times, except a few minutes today when it dipped to 0.9996.