A split-fee or compound option where a put option is placed on another put option asset. The trader, bullish on the underlying asset, also called a vanilla option, has the ability to sell it on expiration. The value of the put increases as the asset price increases.
Related information about put on a put:
- Put On A Put Definition | Investopedia
 The buyer of a put on a put has the right but not the obligation to sell the   underlying put option - also known as the vanilla option - on the expiration date.
 
- Put On A Call Definition | Investopedia
 One of the four ... Put On A Put. One of the four ... Synthetic Forward Contract. A   position in ... Head Trader. The manager of a ... Registered Principal. A licensed .
 
- Call On A Put Definition | Investopedia
 One of the four ... Put On A Put. One of the four ... Synthetic Forward Contract. A   position in ... Head Trader. The manager of a ... Registered Principal. A licensed .
 
- Put Option Definition | Investopedia
 Net Option Premium. The net amount ... Put On A Put. One of the four ... Put-Call   Ratio. A ratio of the ... Articles Of Interest. 4 Reasons To Hold Onto An Option ...
 
- Call on a Put Definition & Example | InvestingAnswers
 A call on a put is just one type of compound option; others include the put on a   put, put on a call and call on a call. Unlike regular calls, which offer the right but ...
 
- Compound Option - ASC
 The value of a European put on a put is. Se−qT2 M(a1,−b1,−. √. T1/T2) − X2e−  rT2 M(a2,−b2,−. √. T1/T2) + e−rT1 X1N(a2). For more details see J.C. Hull: ...
 
- COMPOUND OPTION CALCULATOR
 Compound option may be described simply as an option on an option. There are   four types of compound options: a call on a call, a put on a call, a put on a put, ...
 
- Chapter 7 - UH Department of Mathematics - University of Houston
 call on a call, call on a put, put on a call, put on a put. Lookback options: The   payoff of a lookback option depends on the minimum or maximum value of the   asset ...