[anon9001]

Another way to do it is by borrowing bitcoin with other collateral, selling it, then buying it back at a cheaper price. You can get a sense of rates here: https://defirate.com/loans/

So you might supply USDC on Aave and borrow WBTC. You can then trade that WBTC for USD (if you're bearish on BTC relative to USD), wait for the WBTC price to drop, buy it back and repay your loan.

Though if you're wealthy enough to trade the futures, it's taxed more favorably and easier to manage.