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ڻƷִȫ


Ȩ

()Ȩ׵ij

Ȩ׳ûҪص㳡ڻڽףҲרŵȨڽ׻֤ȯȨйصȨסĿǰȨȫȨ֥ӸȨ(Chicago Board Options Exchange, CBOE)ŷȨŷڻȨ(Eurex)ǰΪ־ڻ(DTB)ʿȨڻ(Swiss Options Financ ial Futures Exchange, SOFFEX)޷棬ȨгչѸ٣佻׹ģ޴ĿǰȫȨչõĹңй۵Լй̨Ȩסڷ棬Ŀǰа֣ƷڵļҽѾȨй½о

()ȨҪײ

Ȩ(Spreads)ײָͬ͵Ȩͷ

(ȨȨ)

(1)ţвȨ

ձIJȨΪţвȨ(Bu1r reads)ȨͨһȷִиĹƱȨͳһͬƱĽϸִм۸ĹƱȨõȨĵͬ ţвȨͶߵɼʱDZ棬ͬʱòҲͶߵɼ½ʱʧһԿɱΪͶӵһִм۸ΪX1 ĿȨͨһִм۸ΪX2(X2>X1)ĿȨDZӯΪԷDZIJͶ߻ִм۸ΪX2 Ȩѡֲͬ͵ţвȨ

١ڳȨΪֵȨ ڡڳһȨΪʵֵȨһȨΪֵȨ ۡڳȨΪʵֵȨ

ţвȨڱء

ijͶ$3 һִм۸Ϊ$30 ĿȨͬʱ$1 ۳һִм۸Ϊ$35 ĿȨƱ۸$35һţвȨԵΪ$5Ʊ۸$30һԵΪ0Ʊ۸$30 $35 ֮䣬ΪƱ۸$30 IJţвȨԵijɱΪ$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ʱDZӯ͹ɼ䶯ʱʧвȨԲÿȨÿȨ졣Ͷ߹ִм۸ϸߵĿȨִм۸ϵ͵ĿȨɿȨвȨҪʼͶʡϣͶ߹ijһִм۸ĿȨͨһϵִм۸ĿȨһЩDZڵӯᡣΪԷӯIJͶ߻˳ȨȨѡ

(3)ʽȨ

ʽȨ(Butterf1y Spresds)ֲִͬм۸Ȩͷɡͨ·ʽ죺һϵִм۸X1 ĿȨһϸִм۸X3 ĿȨִм۸X2 ĿȨX2 ΪX1 X3 мֵһ˵X2 dzӽƱּۡͶʲԵͼʾƱ۸Ʊ۸񱣳X2 øòԾͻƱ۸κηнϴ󲨶ʧ˶ЩΪƱ۸񲻿ܷϴ󲨶Ͷ˵һdzʵIJԡһҪijʼͶʡ

ͼΪʽȨ棺

ʽȨ

ٶijһƱּΪ$61ijͶΪԺйƱ۸񲻿ܷش仯ٶڿȨг۸£

ٶڿȨг۸

ͨһִм۸Ϊ$55 ĿȨһִм۸Ϊ$65 ĿȨͬʱִм۸Ϊ$60 ĿȨͶ߾ͿɹһʽȨʽȨijɱΪ$10$5-(2$7)=$1º󣬹Ʊ۸$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͵նͬԽ߲Ȩ಻ͬࡣ״̬ͨӦţлвȨ״̬ı仯仯 Ȩ ȨһȨײԣȨаͬһֹƱĿȨͿȨǽνĿʽȨstrips Ȩstraps ȨͿʽȨ

(5)ʽȨ

ȨзdzձľǿʽȨ(Stradle)ԡͬʱִͬм۸ͬյġֹͬƱĿȨͿȨͿɹòԣ״̬±ʾִм۸X ʾȨգƱ۸dzӽִм۸񣬿ʽȨͻᷢʧǣƱ۸κηкܴƫʱͻд󡣼˸ȨԵ档

ʽȨ״̬

ʽȨ״̬

ͶԤڹƱ۸ش䶯֪䶯ʱӦÿʽȨԡijͶΪijһƱļ۸º󽫷شı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չɹԤƹɼۻἱ½ʵУ׬ǮɲôףԤƹƱ۸Ծ仯ʱùƱȨ۸ԶԶЩԤƼ۸仯СͬƱȨ۸