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2????????????? ??

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Title: 2 Author: Takayanagi Kenichirou Last modified by – PowerPoint PPT presentation

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Title: 2????????????? ??


1
2????????????????????????
  • ????? ???????
  • ????? ????
  • ???? ???????
  • ????

2
?????
  1. ???????
  2. ??????
  3. ?????????
  4. ??????
  5. ????
  6. ????????

3
1.???????
  • ??????????????????????
  • ?????
  • ?????????????

?????????????????????
  • IBM?
  • (2004/2/22005/2/2)
  • ?/?? ?????
  • (2004/2/22005/2/2)

????(?????)http//www.asahi.com/business/exchange.
html
Yahoo! Finance http//finance.yahoo.com
4
??????????????????
  • ????? ???????T(??)???????????
  • ??K(????)???????
  • ?1 ?

??A?????B??????
  • ????1000???????????????

? ????????1000????????1000??????
  • ?2 ??

????C?3????????????????????
  • 3?????????110?/????????????????

? 3???????110?/?????????110?/???????
  • ????,????????????????????
  • ????????????

5
?????????????????
  • IBM???????

Chicago Board Options Exchange (CBOE)
  • QB?????????????

6
??????????
  • ?????????????????????
  • ?? T ?????????????????(????)????

(?) ?? S ??? T ???? K ????????????
(??????????????)
(i)
???????

(ii)
???????

(i)
(ii)
??????? ????????????????????
?????(???????????)???
7
??????????
  • ????-????????
  • ???????????????????

?????
???????
  • ????-???????????????????
  • ???????????????????,?????????????????????

???????????
8
????????????
  • 2?????????????????????????????????????
  • ??????????
  • ??????2????????????
  • ????

Q(S1,T , S2,T) max(S2,T S1,T K, 0 )
  • Max?????
  • ??????2??????????????K???????????
  • ????
  • ??????????
  • ?????????????????????????????
  • ????

9
????????????(??)
  • ????????
  • ??? ?????????????(??????)H?????
  • ???????????????????
  • ?????????????????? ? ????????

S1
??????H
?????????
t
2????????????,????????????????????????????????
10
2.??????
  • 2????????????(???????????)???,?????????????????
  • ????,1?????????????????DE-FGT? (Broadie
    Yamamoto, 2004) ?2???????????????????

11
3.?????????
  • 2???????????????
  • ???1 ???????
  • ????????????, ??????????????????
  • ?????????????????
  • ?????
  • ??? O(N)
  • ???????

????(??????)
12
?????????(??)
  • ???2 2????
  • ?????????????????????????
  • ??????????? ??????/???2????
  • ??/???????,???????2?????????????????????????
  • 2??????
  • ???????

(u2, B2)
2??
1??
uS
(u2, AB)
1/2
(u, B)
(u2, A2)
S
1/4
(ud, AC)
1/2
dS
Dt N/t
(S1, S2)
1/4
(d, C)
(d2, C2)
Dt
2Dt
Qt(St) erDt EQtDt(St Dt) erDt
QtDt(uSt) QtDt(dSt)/2
Qt(S1t, S2t) erDt EQtDt(S1t Dt, S2t Dt)
erDt Qt Dt(uS1t, AS2t)
Qt Dt(uS1t, BS2t) Qt Dt(dS1t,
CS2t) Qt Dt(dS1t, DS2t)/4
13
4.??????
  • ?????????
  • 2??????????????????
  • ??????????,??????????? M ???
  • 1?????,????????????????????

????2????????? ????????????,??? M ??????????
1?????? ?????
14
?????????????
  • ???
  • ??? (S1t, S2t) ??????? (Y1t, Y2t)
    ??????,?????????????????
  • 1????????
  • 1????? O(M2)
  • 2????? O(M4)
  • ??????

?????
Qt(Y1t(j), Y2t(k)) erDt EQtDt(Y1t Dt, Y2t
Dt) erDt ?m1M2 ?l1M1 Qt
Dt(Y1tDt(l), Y2tDt(m)) (1/2p)
exp (Y1tDt(l) Y1t(j))2 / 2 w1tDt(l)
exp (Y2tDt(m) Y2t(k))2 /
2 w2tDt(m)


15
????????????
  • ???????(Fast Gauss Transform)??
  • ????????(FMM)???
  • ?????????????????????? O(N) ?????
  • ?????????
  • Qt(y1t, y2t) ?????,2???????????????????
  • ???????? y1 ,y2 ?????????????????

???? O(M4) ? O(M2) ???
2??????FGT?
16
??????????????
  • ?????????????????
  • S1 ??????? S1 gt H ??? Qt(S1t, S2t) 0
  • Qt ????????,???????????????
  • S1 (???????? Y1)???????2??????????(DE??)??????????
    ??,?????????
  • ????????????,???????????????

2??????DE-FGT?
Y2
Y2
Y1
Y1
Y1 h
Y1 h
17
5.????
  • ??1 Max?????
  • ?????
  • S1100, S2100, K95, s10.1, s20.2, q10.01,
    q20.02, r 0.5, T0.25
  • ?????
  • OS Windows XP
  • CPUPentium4 1.7GHz
  • Memory 256MB
  • ??
  • FGT?????????,?????
  • ???,???????????
  • ????????
  • ?????1???????????
  • 2???????????

????????
???????
2????
FGT?
18
5.????
  • ??2 ??????????
  • ?????
  • S150, S250, K40, s10.1, s20.2, q10.01,
    q20.02, r 0.5, T0.25
  • ??
  • FGT???????????????
  • ???????
  • ?????1????????????,??????? S2 K ???
  • ???????????????????????,?????????????

19
5.????
  • ??3 ??????????
  • ?????
  • S150, S250, K50, s10.1, s20.2, q10.01,
    q20.02, r 0.5, T0.25
  • ?????? H52 (S1???????)
  • ??
  • DE-FGT??????????????23?????????????
  • ???,???????????????
  • ?????????
  • ?????????????DE?????
  • ???,????,?????????1??????????????

(?????)
20
6.?????????
  • ???
  • ??????DE??????????????DE-FGT??2?????????????????
  • ???????,???????????DE-FGT?????2????,??????????????
    ???????
  • ?????
  • ?????Max????????????????????
  • DE-FGT??3???????????????
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