Ratio Put Spread: Buy Put On Upper Strike (S=50), And Sell More Than One Put On Lower Strike (S=45)
Risk: Unlimited-downside, limited-upside
Profit Potential: Limited-at lower strike
Equivalent Positions: None
Follow-up Action: On downside buy more long puts to alter ratio
Ratio Write: Long Stock (P=50) And Sell Two Calls (S=50) Against It
Risk: Unlimited-both up and down
Profit Potential: Limited-at strike
Equivalent Positions: Straddle Write & Ratio Put Write (Short Stock/Short 2 Puts)
Follow-up Action: Rolling up and down
Calendar Spread: Buy A Long Term Call And Sell A Short Term Against It. Neutral-Stock Price At Strike. See
Bullish Calendar Spread