公式:
 

 
  l  Note that the options much be European-style and the puts and calls mush have the same exercise price for these relations to hold.
  l  Fiduciary call: buy riskless bond that pays X at maturity and a call with exercise price X.
  l  Protective put: buy security and long put.
  l  Put-call parity 的作用:
  ü  為option定價(jià)
  ü  合成option。
  ü  無(wú)風(fēng)險(xiǎn)套利。在無(wú)風(fēng)險(xiǎn)套利中,遵循long小邊,short大邊原則
  如:,
 
  套利方法是, long security, long put, short call, short bonds.