How did Soros Trade the British Pound? Long on the Pound and Short on the Mark Long on the Mark and Short on the Pound Long on the Mark and the US dollar and short on the Pound Long on the Pound and the US dollar and short on the Mark How did Soros Trade the British Pound? Long on the Pound and Short on the Mark Long on the Mark and Short on the Pound Long on the Mark and the US dollar and short on the Pound Long on the Pound and the US dollar and short on the Mark