[toomuchtodo]

As qeternity pointed out in a comment [1], you want your trade to play out in a dollar denominated, clearinghouse backed financial product. You don't bet against the house in their casino (crypto exchanges), such as shorting tether.

[1] https://news.ycombinator.com/item?id=28794377

(not investment advice, educational purposes only)

[WalterSear]

I would hazard they are planning to target the BTC Futures ETF that opened this morning.