Contents

  • Souece:日本取引所グループ、日本経済新聞社

業種別空売り集計

  • 2019年09月12日
  • 「空売り合計:比率」は100から「実注文:比率」を減じた数値としています。

空売り合計:比率:2019年09月12日
N 業種名 空売り合計:比率
1 水産・農林業 52.9
2 鉱業 40.2
3 建設業 45.1
4 食料品 52.2
5 繊維製品 43.8
6 パルプ・紙 51.3
7 化学 46.1
8 医薬品 48.2
9 石油・石炭製品 42.8
10 ゴム製品 50.3
11 ガラス・土石製品 46.5
12 鉄鋼 44.6
13 非鉄金属 44.5
14 金属製品 46.1
15 機械 47.9
16 電気機器 45.5
17 輸送用機器 48.3
18 精密機器 50.9
19 その他製品 43
20 電気・ガス業 41.1
21 陸運業 51
22 海運業 36.8
23 空運業 47.2
24 倉庫・運輸関連業 50
25 情報・通信業 44.5
26 卸売業 41.5
27 小売業 43.1
28 銀行業 45.6
29 証券、商品先物取引業 49
30 保険業 43.5
31 その他金融業 44
32 不動産業 44.5
33 サービス業 50.2
34 その他(33業種外) 43.4

空売り比率の時系列推移

  • 2019-05-08 ~ 2019-09-12

時系列推移
Date 09-12 09-11 09-10 09-09 09-06 09-05 09-04 09-03
実注文:比率 54.2 55.5 55.8 55 57.3 57.4 53.2 55.8
空売り(価格規制あり):比率 33.8 35.1 37.1 37.5 34 32.6 39.9 35.8
空売り(価格規制なし):比率 12 9.4 7.1 7.5 8.7 9.9 6.8 8.4
空売り合計:比率 45.8 44.5 44.2 45 42.7 42.6 46.8 44.2

時系列推移

  • 2019-05-08 ~ 2019-09-12


単位根検定/共和分検定

  • CADFtest {CADFtest}
  • ca.po {urca}
  • 各系列の“_change“は前営業日との差。
### 単位根検定 ###

Analysis period: 2019-05-08 ~ 2019-09-12,90days

$NIKKEI225.close

    ADF test

data:  x
ADF(0) = -1.5899, p-value = 0.7892
alternative hypothesis: true delta is less than 0
sample estimates:
      delta 
-0.07623434 


$ShortSalerRatio

    ADF test

data:  x
ADF(1) = -5.1162, p-value = 0.0003318
alternative hypothesis: true delta is less than 0
sample estimates:
     delta 
-0.7124851 


$NIKKEI225.close_change

    ADF test

data:  x
ADF(0) = -9.5411, p-value = 0.00000000001785
alternative hypothesis: true delta is less than 0
sample estimates:
    delta 
-1.042969 


$ShortSalerRatio_change

    ADF test

data:  x
ADF(1) = -10.031, p-value = 0.000000000003784
alternative hypothesis: true delta is less than 0
sample estimates:
   delta 
-1.86032 
### 共和分検定 ###

Analysis period: 2019-05-08 ~ 2019-09-12,90days


######################################## 
# Phillips and Ouliaris Unit Root Test # 
######################################## 

Test of type Pu 
detrending of series none 


Call:
lm(formula = z[, 1] ~ z[, -1] - 1)

Residuals:
    Min      1Q  Median      3Q     Max 
-2978.7  -934.7   108.7   892.0  2697.2 

Coefficients:
        Estimate Std. Error t value            Pr(>|t|)    
z[, -1]  460.175      2.928   157.2 <0.0000000000000002 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 1273 on 89 degrees of freedom
Multiple R-squared:  0.9964,    Adjusted R-squared:  0.9964 
F-statistic: 2.47e+04 on 1 and 89 DF,  p-value: < 0.00000000000000022


Value of test-statistic is: 1.0173 

Critical values of Pu are:
                  10pct    5pct    1pct
critical values 20.3933 25.9711 38.3413

最小二乗法

  • lm {stats}
  • dwtest {lmtest}
  • ks.test {stats}
  • confint {stats}
  • Box.test {stats}
  • Ljung-Box 検定のラグは15としている。
### 切片項≠0 ###

Analysis period: 2019-05-08 ~ 2019-09-12,90days


Call:
lm(formula = NIKKEI225.close_change ~ ShortSalerRatio_change, 
    data = datadf)

Residuals:
    Min      1Q  Median      3Q     Max 
-367.51  -88.63   13.19   96.51  272.64 

Coefficients:
                       Estimate Std. Error t value        Pr(>|t|)    
(Intercept)              -1.429     14.691  -0.097           0.923    
ShortSalerRatio_change  -39.425      4.838  -8.149 0.0000000000023 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 139.4 on 88 degrees of freedom
Multiple R-squared:  0.4301,    Adjusted R-squared:  0.4236 
F-statistic:  66.4 on 1 and 88 DF,  p-value: 0.000000000002301


-----------------------------------------------------------------------------

    Durbin-Watson test

data:  OLS_Model
DW = 1.515, p-value = 0.01119
alternative hypothesis: true autocorrelation is greater than 0


-----------------------------------------------------------------------------

    One-sample Kolmogorov-Smirnov test

data:  ResidualsOLS
D = 0.067678, p-value = 0.7786
alternative hypothesis: two-sided


-----------------------------------------------------------------------------
                           2.5 %    97.5 %
(Intercept)            -30.62428  27.76589
ShortSalerRatio_change -49.03994 -29.81028

-----------------------------------------------------------------------------

    Box-Ljung test

data:  ResidualsOLS
X-squared = 22.99, df = 15, p-value = 0.08435
### 切片項=0 ###

Analysis period: 2019-05-08 ~ 2019-09-12,90days


Call:
lm(formula = NIKKEI225.close_change ~ ShortSalerRatio_change - 
    1, data = datadf)

Residuals:
    Min      1Q  Median      3Q     Max 
-368.94  -90.07   11.76   95.08  271.21 

Coefficients:
                       Estimate Std. Error t value         Pr(>|t|)    
ShortSalerRatio_change  -39.427      4.811  -8.195 0.00000000000173 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 138.6 on 89 degrees of freedom
Multiple R-squared:  0.4301,    Adjusted R-squared:  0.4237 
F-statistic: 67.16 on 1 and 89 DF,  p-value: 0.000000000001728


-----------------------------------------------------------------------------

    Durbin-Watson test

data:  OLS_Model_no_intercept
DW = 1.5149, p-value = 0.01475
alternative hypothesis: true autocorrelation is greater than 0


-----------------------------------------------------------------------------

    One-sample Kolmogorov-Smirnov test

data:  ResidualsOLS_no_intercept
D = 0.063704, p-value = 0.8356
alternative hypothesis: two-sided


-----------------------------------------------------------------------------
                           2.5 %    97.5 %
ShortSalerRatio_change -48.98628 -29.86703

-----------------------------------------------------------------------------

    Box-Ljung test

data:  ResidualsOLS_no_intercept
X-squared = 22.99, df = 15, p-value = 0.08436

一般化最小二乗法

### 切片項≠0 ###

Analysis period: 2019-05-08 ~ 2019-09-12,90days

Generalized least squares fit by REML
  Model: NIKKEI225.close_change ~ ShortSalerRatio_change 
  Data: datadf 
       AIC      BIC    logLik
  1132.345 1144.732 -561.1726

Correlation Structure: ARMA(1,1)
 Formula: ~1 
 Parameter estimate(s):
      Phi1     Theta1 
 0.7868421 -0.5678726 

Coefficients:
                           Value Std.Error   t-value p-value
(Intercept)             -1.18625 27.963252 -0.042422  0.9663
ShortSalerRatio_change -38.52919  4.188071 -9.199746  0.0000

 Correlation: 
                       (Intr)
ShortSalerRatio_change -0.007

Standardized residuals:
        Min          Q1         Med          Q3         Max 
-2.57691611 -0.60497613  0.08427878  0.67925735  1.93844639 

Residual standard error: 142.4665 
Degrees of freedom: 90 total; 88 residual

-----------------------------------------------------------------------------

    One-sample Kolmogorov-Smirnov test

data:  ResidualsGLS
D = 0.0573, p-value = 0.9125
alternative hypothesis: two-sided


-----------------------------------------------------------------------------
                           2.5 %    97.5 %
(Intercept)            -55.99322  53.62072
ShortSalerRatio_change -46.73766 -30.32072

-----------------------------------------------------------------------------

    Box-Ljung test

data:  ResidualsGLS
X-squared = 23.278, df = 15, p-value = 0.07842
### 切片項=0 ###

Analysis period: 2019-05-08 ~ 2019-09-12,90days

Generalized least squares fit by REML
  Model: NIKKEI225.close_change ~ ShortSalerRatio_change - 1 
  Data: datadf 
       AIC     BIC    logLik
  1138.675 1148.63 -565.3375

Correlation Structure: ARMA(1,1)
 Formula: ~1 
 Parameter estimate(s):
      Phi1     Theta1 
 0.7171163 -0.5100176 

Coefficients:
                           Value Std.Error   t-value p-value
ShortSalerRatio_change -38.45516  4.185432 -9.187859       0

Standardized residuals:
        Min          Q1         Med          Q3         Max 
-2.64545256 -0.62607917  0.07717367  0.68774361  1.97758377 

Residual standard error: 139.2044 
Degrees of freedom: 90 total; 89 residual

-----------------------------------------------------------------------------

    One-sample Kolmogorov-Smirnov test

data:  ResidualsGLS_no_intercept
D = 0.052668, p-value = 0.9529
alternative hypothesis: two-sided


-----------------------------------------------------------------------------
                           2.5 %    97.5 %
ShortSalerRatio_change -46.65845 -30.25186

-----------------------------------------------------------------------------

    Box-Ljung test

data:  ResidualsGLS_no_intercept
X-squared = 23.299, df = 15, p-value = 0.07799

残差

  • 時系列推移
  • 自己相関
  • 時系列推移

  • 自己相関