Rally: Rally is an upward movement of prices.
Short: Short (shorting) is the selling side of an open futures contract.
Zero Coupon: Zero Coupon refers to a debt instrument that does not make coupon payments, but, rather, is issued at a discount to par and redeemed at par at maturity.
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Naked options trading is very risky - many people lose money trading them. It is recommended contacting your broker or investment professional to find out about trading risk and margin requirements before getting involved into trading uncovered options.