It was another day of extreme volatility. This morning I was busy with the Nvidia news, but unfortunately, I was too preoccupied with that to think about shorting Nvidia. I did consider shorting, but the contract had already dropped almost 2%, mainly because I was late, and I was also worried that the market sentiment had already been largely priced in. While I was a bit slow on stocks, I reacted quickly on oil, making a short-term trade in the early morning after receiving the information. Oil prices were already down at the opening today, reflecting the weekend's Republican impeachment proceedings against the Secretary of Defense and Trump's statement that he wouldn't take action if negotiations were possible. Then, in the early morning, Al Jazeera suddenly reported receiving information that the US and Iran had reached an agreement on the nuclear issue, with the US unfreezing some Iranian funds and Iran opening the Hormuz. Because Al Jazeera's information is usually quite accurate, oil prices plummeted after the news broke, and short-selling funding rates soared. Brent crude almost fell below $90. However, Trump later stated in an interview that Qatar and the Arab world wanted to resolve the conflict with Iran peacefully, but the US remained prepared to launch a military strike if necessary. Oil prices rebounded immediately as a result. After seeing Trump's comments, I decisively closed all my short positions, avoiding excessively high funding rates. I can wait for another opportunity to continue shorting. Bitcoin has been placed with a sell order at $78,500 for Friday, yielding around 13.5% interest. Actually, options trading is better. If it weren't for testing dual-currency trading, I would have traded options; the returns from options are much higher, while the returns from dual-currency trading are still too low. A @Gate account for more market information.