()Ȩij
Ȩ׳ûҪص㳡ڻڽףҲרŵȨڽ֤ȯȨйصȨסĿǰȨȫȨ֥ӸȨ(Chicago Board Options Exchange, CBOE)ŷȨŷڻȨ(Eurex)ǰΪ־ڻ(DTB)ʿȨڻ(Swiss Options Financ ial Futures Exchange, SOFFEX)棬ȨгչѸ٣佻ģĿǰȫȨչõĹңй۵Լй̨Ȩסڷ棬Ŀǰа֣ƷڵļҽѾȨй½о
()ȨҪײ
Ȩ(Spreads)ײָͬ͵Ȩͷ
(ȨȨ)
(1)ţвȨ
ձIJȨΪţвȨ(Bu1r reads)ȨͨһȷִиĹƱȨͳһͬƱĽϸִм۸ĹƱȨõȨĵͬ ţвȨͶߵɼʱDZ棬ͬʱòҲͶߵɼ½ʱʧһԿɱΪͶӵһִм۸ΪX1 ĿȨͨһִм۸ΪX2(X2>X1)ĿȨDZӯΪԷDZIJͶִм۸ΪX2 Ȩѡֲͬ͵ţвȨ
١ڳȨΪֵȨ ڡڳһȨΪʵֵȨһȨΪֵȨ ۡڳȨΪʵֵȨ
ţвȨڱء
ijͶ$3 һִм۸Ϊ$30 ĿȨͬʱ$1 ۳һִм۸Ϊ$35 ĿȨƱ۸$35һţвȨԵΪ$5Ʊ۸$30һԵΪ0Ʊ۸$30 $35 ֮䣬ΪƱ۸$30 IJţвȨԵijɱΪ$3 һ$1$2
Ʊ۸䶯Χ״̬
ST 30 -2
30 ST 35 ST 32
ST 35 3
ͨϵִм۸ĿȨͳ۽ϸִм۸ĿȨҲԽţвȨÿȨţвȨͬÿȨţвȨͶ߿ʼõһֽ(Ա֤Ҫ)ʣÿȨţвȨÿȨţвȨ档
(2)вȨ
ţвȨͶԤڹƱ۸෴вȨ(Bearspreads)ͶԤڹƱ۸½
ţвȨƣвȨԿͨijһִм۸ĿȨһִм۸ĿȨ졣ȻвȨУȨִм۸Ȩִм۸ ţвȨƣвȨͬʱ˹ɼ䶯ʱDZӯɼ䶯ʱʧвȨԲÿȨÿȨ졣Ͷ߹ִм۸ϸߵĿȨִм۸ϵ͵ĿȨɿȨвȨҪʼͶʡϣͶ߹ijһִм۸ĿȨͨһϵִм۸ĿȨһЩDZڵӯᡣΪԷӯIJͶ˳ȨȨѡ
(3)ʽȨ
ʽȨ(Butterf1y Spresds)ֲִͬм۸Ȩͷɡͨ·ʽ죺һϵִм۸X1 ĿȨһϸִм۸X3 ĿȨִм۸X2 ĿȨX2 ΪX1 X3 мֵһ˵X2 dzӽƱּۡͶʲԵͼʾƱ۸Ʊ۸X2 øòԾͻƱ۸κηнϴʧ˶ЩΪƱ۸ܷϴͶ˵һdzʵIJԡһҪijʼͶʡ
ͼΪʽȨ棺
ٶijһƱּΪ$61ijͶΪԺйƱ۸ܷش仯ٶڿȨг۸£
ͨһִм۸Ϊ$55 ĿȨһִм۸Ϊ$65 ĿȨͬʱִм۸Ϊ$60 ĿȨͶ߾ͿɹһʽȨʽȨijɱΪ$10$5-(2$7)=$1ºƱ۸$65 $55òԵΪ0ͶߵľʧΪ$1Ʊ۸$56 $64 ֮䣬øòԾͿɻºƱ۸Ϊ$60 ʱͻõ$5ҲÿȨʽȨͶ߿ɹһִм۸ϵ͵ĿȨһִм۸ϸߵĿȨͬʱмִм۸ĿȨͼʾڱеĵʽȨҲͨ·ʽ죺һִм۸Ϊ$55ĿȨһִм۸Ϊ$65 ĿȨͬʱִм۸Ϊ$60 ĿȨеȨΪŷʽȨÿȨĵʽȨÿȨĵʽȨȫһŷʽ뿴Ȩ֮ƽ۹ϵ֤£ʼͶҲͬ
ϽIJ෴IJյʽȨִм۸ΪX1 X3 Ȩ2 ִм۸ΪX2 Ȩ(X2 ΪX1 X3 ֵ)Ʊ۸ϴı仯Խһ
(4)ԽDzȨ
ţСкȨͨһȨͬʱһȨ졣ţквȨ£Ȩִм۸ͬͬȨ£Ȩִм۸ͬղͬһԽ߲ȨУȨִм۸͵նͬԽ߲Ȩͬࡣ״̬ͨӦţлвȨ״̬ı仯仯 Ȩ ȨһȨײԣȨаͬһֹƱĿȨͿȨǽνĿʽȨstrips Ȩstraps ȨͿʽȨ
(5)ʽȨ
ȨзdzձľǿʽȨ(Stradle)ԡͬʱִͬм۸ͬյġֹͬƱĿȨͿȨͿɹòԣ״̬±ʾִм۸X ʾȨգƱ۸dzӽִм۸ʽȨͻᷢʧǣƱ۸κηкܴƫʱͻд˸ȨԵ档
ʽȨ״̬
ͶԤڹƱ۸ش䶯֪䶯ʱӦÿʽȨԡijͶΪijһƱļ۸ºشı仯ùƱгֵΪ$69Ͷ߿ͨͬʱΪ£ִм۸Ϊ$70 һȨһȨʽȨٶȨijɱΪ$4ȨijɱΪ$3Ʊ۸$69 䣬Ǻ֪òԵijɱΪ$6(ʼͶҪ$7ʱȨʱ ֵΪ0ȨʱֵΪ$1)ʱƱ۸Ϊ$70$7 ʧ(ǿܷ)ǣƱ۸Ծ$90òԿɻ$13Ʊ۸$55ɻ$8Դơ
ij˾沢չʱиù˾ƱʽȨԲƺǺȻ¡沢չɹԤƹɼۻἱ沢չɹԤƹɼۻἱ½ʵУǮɲôףԤƹƱ۸Ծ仯ʱùƱȨ۸ԶԶЩԤƼ۸仯СͬƱȨ۸