Why are options agreements mandatory to be signed by investors? Are options, margin lending, or leveraged products suitable for all investors? If not why? • What i​‌‍‍‍‌‍‍‌‌‍‌‍‍‌‌‌‍‍‍‍​s Margin? What are the Margin Requirements? Do different stocks or ETFs have different margin requirements? Can margin requirements be different for each bank or broke​‌‍‍‍‌‍‍‌‌‍‌‍‍‌‌‌‍‍‍‍​rage