跳擴(kuò)散模型下極值期權(quán)的定價(jià)
發(fā)布時(shí)間:2020-04-11 00:07
【摘要】:期權(quán)(Option)是一種賦予持有者在規(guī)定期限內(nèi)按照雙方約定的價(jià)格購(gòu)買(mǎi)或出售一定數(shù)量某種金融資產(chǎn)(即標(biāo)的資產(chǎn)Underlying assets)的權(quán)利的合約,是在期貨基礎(chǔ)上產(chǎn)生的一種衍生性金融工具.作為投資組合和風(fēng)險(xiǎn)管理的重要工具,期權(quán)得到了越來(lái)越廣泛的應(yīng)用,其定價(jià)問(wèn)題也成為學(xué)術(shù)研究的熱點(diǎn).自1973年Black和Scholes開(kāi)創(chuàng)性地提出經(jīng)典B-S模型以來(lái),期權(quán)定價(jià)理論得到了迅猛發(fā)展.B-S模型以其簡(jiǎn)單易于計(jì)算的優(yōu)點(diǎn)而得到了廣泛應(yīng)用,但是其刻劃的市場(chǎng)是平穩(wěn)的、連續(xù)的,這與現(xiàn)實(shí)中的金融市場(chǎng)存在很大差異.為了描述具有突發(fā)性及不連續(xù)性的非平穩(wěn)市場(chǎng),人們?cè)跀U(kuò)散模型的基礎(chǔ)上引入Poisson過(guò)程來(lái)刻劃標(biāo)的資產(chǎn)的價(jià)格變化,即我們所說(shuō)的跳擴(kuò)散模型.1976年,Merton首次把復(fù)合Poisson過(guò)程引入到跳擴(kuò)散模型中,假定股價(jià)跳躍的相對(duì)大小服從正態(tài)分布,并在該模型下得到了更加符合實(shí)際的期權(quán)定價(jià)結(jié)果.此后Merton(1976)模型得到了人們的廣泛關(guān)注,成為期權(quán)定價(jià)方面的熱點(diǎn)模型之一 極值期權(quán)(Extremum option)是一種多資產(chǎn)組合期權(quán),它的收益由多種標(biāo)的資產(chǎn)在到期日取得的最高價(jià)格或最低價(jià)格決定,可以使期權(quán)持有者獲得最大的收益或受到最小的損失.極值期權(quán)主要包括極大期權(quán)和極小期權(quán)兩類(lèi),其定價(jià)上作最早由Stulz和Johnson進(jìn)行研究Stulz(1982)在經(jīng)典Black-Scholes模型下給出了兩資產(chǎn)歐式極值期權(quán)的定價(jià)公式,Johnson(1987)又將其推廣到多資產(chǎn)的情形. 本文將研究歐式極值期權(quán)和美式極值期權(quán)在Merton(1976)跳擴(kuò)散模型下的定價(jià)問(wèn)題,主要工作和結(jié)論有: 第一章,概述了本文的研究背景和選題意義,并介紹了一些必要的預(yù)備知識(shí). 第二章,研究了跳擴(kuò)散模型下歐式極值期權(quán)的定價(jià)問(wèn)題.首先討論兩資產(chǎn)歐式極值期權(quán),給出極大看漲(看跌)、極小看漲(看跌)期權(quán)的定價(jià)公式,然后推廣到n資產(chǎn)的情形,最后給出了數(shù)值計(jì)算的結(jié)果. 第三章,根據(jù)百慕大期權(quán)逼近美式期權(quán)的思想,用2點(diǎn)G-J法給出了跳擴(kuò)散模型下美式極值期權(quán)的近似估計(jì),并給出了數(shù)值計(jì)算的結(jié)果. 第四章,對(duì)本文的研究?jī)?nèi)容進(jìn)行總結(jié)并介紹有待進(jìn)一步研究的問(wèn)題.
【圖文】:
900020.67466620.27488819.57388825.78077725.08766623.8487773()25455529.335000111000014.81100014,4993331393444419.97955519.42866618.41088824.51044423.766333111100010.59533310.3601119,91666615.54088815.11266614.29088819.93699919.34355511120007.6587777.4852227.14322212.19555511.86699911.21022216327000!5.857444777OOO4400400043.10699941.58900050.97900049,55500047.07244456.82888855.06200088800035.76300034月9299933.67000043.272444420420003985722249.52955547.989888900028.7316662809266626.97088836.60855535.56877733.67800043.15077741.827777111000022,97844422.4617772152966630.97044430.10444428.48655537.64699936.519999111100018.3845551797411117.21011126.25822225.54322224.16766632.93155531.975666111200014.75966614.43700013.8161112234355521.75555520.5893332890366628094000777OOO5454066653.27544451,1028886425277762,40899959.07744464.16544462.15766688800047.17988846.07811144.1564445750722255,87655552.87500057.76788855.976222900040.74722239.80311138.12455551.52744450.09533347.40511152.01777750.424666!!!()00035.20444434.404()))32.94977746.25344445.0()()77742.596】】46.85177745.437222111100030.46733329.79311128.538999416126664().51888838.37166642.20500040.949111111200026.43533325.86911124.78999937.53099936.57588834石5822238.01622236.900333表2.2Black一ScholeS模型下兩資產(chǎn)極大看漲期權(quán)價(jià)格KKKKK700080009OOO100001100012000TTT=0.55528.00088819.43288812.4355557.1801113.497】】1.059000了了‘=11135‘34133326.35033318.74900012.8764448.6357775.700333TT
圖3.2歐式和美式極人看跌期權(quán)的比較80,凡=100,:=0.05,拜:=拜:=O,,占:=0.4,如=0.3,a:=0.2, a:==0.3,戶(hù)=O,1,T=1圖3.2比較了在相同條件下美式和歐式極大看跌期權(quán)的價(jià)格,這里的參數(shù)選取為S:二80,熟=100,r=0.05,月1=戶(hù):=O,占1=0.4,占:=0.3,al=O
【學(xué)位授予單位】:廣西師范大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2011
【分類(lèi)號(hào)】:F224;F830.9
本文編號(hào):2622881
【圖文】:
900020.67466620.27488819.57388825.78077725.08766623.8487773()25455529.335000111000014.81100014,4993331393444419.97955519.42866618.41088824.51044423.766333111100010.59533310.3601119,91666615.54088815.11266614.29088819.93699919.34355511120007.6587777.4852227.14322212.19555511.86699911.21022216327000!5.857444777OOO4400400043.10699941.58900050.97900049,55500047.07244456.82888855.06200088800035.76300034月9299933.67000043.272444420420003985722249.52955547.989888900028.7316662809266626.97088836.60855535.56877733.67800043.15077741.827777111000022,97844422.4617772152966630.97044430.10444428.48655537.64699936.519999111100018.3845551797411117.21011126.25822225.54322224.16766632.93155531.975666111200014.75966614.43700013.8161112234355521.75555520.5893332890366628094000777OOO5454066653.27544451,1028886425277762,40899959.07744464.16544462.15766688800047.17988846.07811144.1564445750722255,87655552.87500057.76788855.976222900040.74722239.80311138.12455551.52744450.09533347.40511152.01777750.424666!!!()00035.20444434.404()))32.94977746.25344445.0()()77742.596】】46.85177745.437222111100030.46733329.79311128.538999416126664().51888838.37166642.20500040.949111111200026.43533325.86911124.78999937.53099936.57588834石5822238.01622236.900333表2.2Black一ScholeS模型下兩資產(chǎn)極大看漲期權(quán)價(jià)格KKKKK700080009OOO100001100012000TTT=0.55528.00088819.43288812.4355557.1801113.497】】1.059000了了‘=11135‘34133326.35033318.74900012.8764448.6357775.700333TT
圖3.2歐式和美式極人看跌期權(quán)的比較80,凡=100,:=0.05,拜:=拜:=O,,占:=0.4,如=0.3,a:=0.2, a:==0.3,戶(hù)=O,1,T=1圖3.2比較了在相同條件下美式和歐式極大看跌期權(quán)的價(jià)格,這里的參數(shù)選取為S:二80,熟=100,r=0.05,月1=戶(hù):=O,占1=0.4,占:=0.3,al=O
【學(xué)位授予單位】:廣西師范大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2011
【分類(lèi)號(hào)】:F224;F830.9
【參考文獻(xiàn)】
相關(guān)期刊論文 前4條
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2 周俊;楊向群;;Vasicek利率模型下極值期權(quán)的定價(jià)[J];吉首大學(xué)學(xué)報(bào)(自然科學(xué)版);2006年04期
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