Put-call parity 180-Ct+ Pt+ St= PV(E) ortCt= Pt+ St-PV(E) ortPt= Ct-St+ PV(E)tNote:PT-CT= PVT(E) - STPT-CT= E - ST= Ft0,T-ST= CFTof a FS and therefore by the LAW OF ONE PRICE:Pt-Ct= PVtof a FS,which is given by()rTTtT
tteFFPV−−=,, 0Derivative securities: Options - Introduction