Psychological Science | Price history

05/13/2021: $95

05/08/2021: $115.85

05/07/2021: $115.87

05/06/2021: $110.55

04/30/2021: $115.91

04/28/2021: $116.99

04/19/2021: $115.97

04/16/2021: $116.99

04/14/2021: $115.96

04/12/2021: $115.98

04/09/2021: $116.99

04/05/2021: $115.98

02/10/2021: $116.99

02/05/2021: $119.99

02/02/2021: $120.99

01/29/2021: $123.99

01/24/2021: $99.95

01/17/2021: $50

01/10/2021: $83.34

01/04/2021: $50

01/03/2021: $48.65

12/28/2020: $50

12/27/2020: $47.83

12/26/2020: $47.88

12/24/2020: $47.98

12/23/2020: $46.65

12/22/2020: $47.79

12/20/2020: $48.99

12/18/2020: $50

12/08/2020: $48.65

11/23/2020: $50

11/15/2020: $78

11/12/2020: $85.48

10/04/2020: $89.99

10/03/2020: $120.99

10/01/2020: $124.99

09/30/2020: $125.75

09/26/2020: $126.99

09/21/2020: $128.99

09/20/2020: $132.99

09/03/2020: $89.95

09/02/2020: $86.99

08/23/2020: $89.95

08/19/2020: $124.99

08/13/2020: $94.95

08/11/2020: $89.93

06/22/2020: $79.99

06/11/2020: $59.99

05/29/2020: $63.32

05/28/2020: $59.99

05/19/2020: $63.32

04/23/2020: $86.32

04/11/2020: $88.98

04/04/2020: $89.92

04/03/2020: $68.81

04/02/2020: $76.9

04/01/2020: $86.19

03/31/2020: $84.57

03/30/2020: $78.68

03/29/2020: $86.43

03/28/2020: $79.2

03/27/2020: $81.47

03/24/2020: $60

03/23/2020: $87.25

03/13/2020: $60

03/08/2020: $70

03/07/2020: $73.71

01/23/2020: $88.59

01/18/2020: $89.99

01/13/2020: $88.23

01/10/2020: $52.54

01/09/2020: $62.4

01/08/2020: $86.43

01/07/2020: $89.99

01/06/2020: $89.05

01/03/2020: $87.47

12/27/2019: $52.54

12/26/2019: $79.46

12/25/2019: $52.54

12/24/2019: $70.41

12/22/2019: $52.54

12/21/2019: $73.35

12/20/2019: $86.03

12/13/2019: $52.54

12/12/2019: $83.03

12/11/2019: $86.53

12/10/2019: $86.48

12/09/2019: $86.41

12/07/2019: $86.58

12/06/2019: $86.62

11/11/2019: $82.78

11/05/2019: $83.25

11/02/2019: $83.18

10/21/2019: $89.99

10/20/2019: $82.37

10/19/2019: $82.53

10/10/2019: $89.99

10/09/2019: $89.49

10/06/2019: $82.47

10/01/2019: $89.99

09/30/2019: $82.47

09/28/2019: $89.99

09/27/2019: $82.47

09/16/2019: $89.99

09/15/2019: $88.99

09/12/2019: $89.99

09/10/2019: $79.91

09/07/2019: $94.95

09/03/2019: $108.99

09/01/2019: $59.95

08/24/2019: $69.95

08/21/2019: $57.17

08/20/2019: $69.95

08/19/2019: $60.2

08/16/2019: $63.17

08/15/2019: $66.14

08/14/2019: $69.11

08/13/2019: $72.08

08/12/2019: $75.05

08/11/2019: $80.99

08/09/2019: $78.02

07/28/2019: $80.99

07/24/2019: $76.99

07/15/2019: $69.74

07/12/2019: $50

06/30/2019: $69.74

06/28/2019: $84.99

06/27/2019: $86.17

05/27/2019: $87.95

05/19/2019: $84.99

05/16/2019: $87.95

05/04/2019: $78.99

05/02/2019: $77.39

05/01/2019: $73.41

04/29/2019: $69.43

04/26/2019: $65.45

04/25/2019: $61.47

04/20/2019: $57.49

04/07/2019: $49.37

04/02/2019: $49.4

04/01/2019: $47.77

03/20/2019: $34.85

03/17/2019: $34.78

03/12/2019: $34.85

02/26/2019: $34.78

02/24/2019: $34.85

02/17/2019: $39.87

02/16/2019: $39.71

02/15/2019: $39.39

02/14/2019: $39.87

02/13/2019: $48.46

02/12/2019: $49.37

02/11/2019: $39.88

02/10/2019: $40.78

02/09/2019: $46.88

02/08/2019: $53.11

02/07/2019: $59.28

02/06/2019: $64.56

02/05/2019: $69.84

02/04/2019: $75.12

02/02/2019: $76.99

02/01/2019: $73.35

01/31/2019: $69.68

01/30/2019: $69.71

01/29/2019: $69.74

01/28/2019: $69.76

01/26/2019: $75.57

01/25/2019: $75.69

01/24/2019: $75.81

01/23/2019: $75.93

01/17/2019: $76.99

01/12/2019: $79.29

01/08/2019: $87.94

12/26/2018: $89.99

12/24/2018: $92.99

12/23/2018: $73.64

12/15/2018: $92.99

12/14/2018: $82.79

12/13/2018: $57.05

12/12/2018: $25.01

12/06/2018: $20.95

12/04/2018: $33.56

12/01/2018: $39.45

11/29/2018: $39.49

11/28/2018: $42.85

11/26/2018: $78.25

11/13/2018: $92.99

11/11/2018: $91.82

11/10/2018: $92.99

11/09/2018: $64.11

11/08/2018: $90.64

10/30/2018: $92.99

10/24/2018: $91.94

10/12/2018: $92.99

10/06/2018: $98.94

10/05/2018: $95.65

10/03/2018: $98.94

10/02/2018: $95.65

09/16/2018: $74.81

09/13/2018: $74.86

09/07/2018: $74.91

09/06/2018: $74.73

09/05/2018: $74.91

09/04/2018: $80.94

09/03/2018: $82.3

09/02/2018: $98.77

09/01/2018: $98.84

08/31/2018: $99.95

08/30/2018: $105.9

08/29/2018: $114.99

08/24/2018: $106.99

08/21/2018: $113.99

08/19/2018: $115.9

08/18/2018: $115.85

08/17/2018: $115.94

08/16/2018: $95.91

08/14/2018: $124.69

08/08/2018: $124.75

08/07/2018: $124.83

08/06/2018: $124.94

08/04/2018: $99.91

08/03/2018: $124.99

07/31/2018: $125.99

07/30/2018: $94.75

07/25/2018: $94.7

07/24/2018: $94.94

07/23/2018: $95.91

07/21/2018: $54.51

07/20/2018: $60.71

07/19/2018: $73.91

07/18/2018: $90.41

07/17/2018: $122.3

07/15/2018: $121.47

07/14/2018: $122.29

07/12/2018: $122.93

07/11/2018: $105.73

07/10/2018: $93.55

07/09/2018: $101.67

07/08/2018: $93.55

07/07/2018: $97.61

07/06/2018: $105.73

07/05/2018: $97.61

07/04/2018: $98.7

07/03/2018: $128.97

07/01/2018: $129.86

06/30/2018: $120.94

06/17/2018: $35

06/14/2018: $50

06/11/2018: $85.29

06/10/2018: $83.72

06/09/2018: $84.29

06/03/2018: $85.45

05/30/2018: $90

05/29/2018: $89.95

05/27/2018: $90

05/25/2018: $58.83

05/24/2018: $56.99

05/23/2018: $57.22

05/22/2018: $70.44

05/21/2018: $85.91

05/20/2018: $75.81

05/16/2018: $85.91

05/14/2018: $115.41

05/10/2018: $85.91

05/09/2018: $83.1

04/29/2018: $90

04/26/2018: $89.95

04/25/2018: $61

04/24/2018: $59.81

04/07/2018: $90

03/28/2018: $81

03/24/2018: $80

03/23/2018: $79.89

03/22/2018: $76.91

03/16/2018: $79.89

03/12/2018: $80.39

03/09/2018: $75.38

03/08/2018: $74.79

03/07/2018: $76.01

03/06/2018: $79.19

02/28/2018: $80.41

02/07/2018: $90

02/04/2018: $130.34

01/30/2018: $148.24

01/28/2018: $156.83

01/25/2018: $160.85

01/22/2018: $249.94

01/21/2018: $248.99

01/20/2018: $179

01/19/2018: $248.99

01/18/2018: $249.94

01/16/2018: $149.95

01/15/2018: $249.94

01/13/2018: $153

01/11/2018: $249.95

01/03/2018: $160

01/01/2018: $130.99

12/31/2017: $132.99

12/30/2017: $135.34

12/29/2017: $160

12/27/2017: $160.85

12/25/2017: $135.46

12/24/2017: $132.99

12/18/2017: $118.69

12/15/2017: $109

12/08/2017: $118.69

12/05/2017: $115.15

12/04/2017: $118.69

11/27/2017: $129.99

11/25/2017: $125.9

11/24/2017: $112.36

11/11/2017: $129.99

11/06/2017: $81.99

11/04/2017: $78.71

11/03/2017: $78.51

11/02/2017: $90.64

11/01/2017: $98.56

10/31/2017: $111.73

10/30/2017: $121.45

10/26/2017: $126.71

10/24/2017: $131.99

10/22/2017: $131.96

10/18/2017: $114.87

10/17/2017: $130.14

10/16/2017: $131.96

10/11/2017: $156.96

10/08/2017: $160.82

10/07/2017: $156.36

10/06/2017: $130.17

10/05/2017: $127.97

10/03/2017: $160.81

09/28/2017: $115.99

09/27/2017: $121.99

09/24/2017: $132

09/22/2017: $132.99

09/19/2017: $142

09/17/2017: $151.33

09/14/2017: $151.95

09/13/2017: $145.99

09/11/2017: $152

09/10/2017: $151.33

09/08/2017: $156.02

09/06/2017: $156.85

09/01/2017: $139.95

08/28/2017: $134

08/22/2017: $127.98

08/21/2017: $104.91

08/20/2017: $126.99

08/18/2017: $127.99

08/14/2017: $116

08/11/2017: $116.98

08/08/2017: $117.32

08/07/2017: $114

08/03/2017: $110.95

07/27/2017: $85

07/25/2017: $114

07/24/2017: $100

07/21/2017: $113.77

07/20/2017: $113.95

07/14/2017: $114

07/11/2017: $110

07/10/2017: $105

06/30/2017: $97.02

06/20/2017: $85.2

06/16/2017: $80

04/22/2017: $75

04/04/2017: $78

04/03/2017: $102.99

03/31/2017: $102.87

03/22/2017: $102.99

03/12/2017: $102.96

03/06/2017: $104.92

03/04/2017: $85

03/03/2017: $65

02/26/2017: $85

02/23/2017: $72.95

02/22/2017: $82.95

02/09/2017: $85.99

01/31/2017: $105

01/28/2017: $114

01/24/2017: $115

01/23/2017: $117.9

01/20/2017: $120

01/19/2017: $125.93

01/18/2017: $126.01

01/17/2017: $126.1

01/15/2017: $105

01/14/2017: $128.12

01/13/2017: $126.61

01/10/2017: $121.95

01/08/2017: $128.11

01/06/2017: $96.8

01/04/2017: $95

01/02/2017: $107.32

01/01/2017: $105.2

12/27/2016: $116.8

12/26/2016: $89.09

12/10/2016: $79.99

11/30/2016: $89.07

11/29/2016: $101.99

11/27/2016: $73.58

11/26/2016: $73.76

11/25/2016: $78.17

11/24/2016: $78.11

11/23/2016: $76.92

11/22/2016: $79.43

11/21/2016: $85.74

11/20/2016: $97.39

11/19/2016: $97.55

11/18/2016: $97.72

11/17/2016: $97.91

11/16/2016: $98.07

11/15/2016: $98.25

11/14/2016: $98.31

11/13/2016: $98.44

11/12/2016: $98.61

11/11/2016: $98.8

11/10/2016: $98.98

11/09/2016: $99.47

11/08/2016: $100.04

11/07/2016: $100.71

11/06/2016: $101.19

11/05/2016: $101.35

11/04/2016: $101.54

11/03/2016: $101.71

10/31/2016: $101.85

10/28/2016: $101.91

10/03/2016: $102

09/28/2016: $105.99

09/27/2016: $111.69

09/26/2016: $81.59

09/24/2016: $90.3

09/22/2016: $100

09/18/2016: $87

09/17/2016: $83.9

09/16/2016: $88.85

09/15/2016: $100

09/13/2016: $111.69

09/10/2016: $89.99

09/09/2016: $94.81

09/07/2016: $94.97

09/06/2016: $98.99

09/01/2016: $97

08/31/2016: $95

08/30/2016: $97

08/25/2016: $99.2

08/23/2016: $102

08/21/2016: $104.99

08/20/2016: $111.69

08/19/2016: $104.69

08/18/2016: $113.8

08/14/2016: $98.92

08/13/2016: $109.27

08/10/2016: $111.79

08/09/2016: $88.98

08/07/2016: $87

08/05/2016: $88.99

08/02/2016: $89.99

08/01/2016: $92.99

07/31/2016: $92.5

07/28/2016: $94.34

07/21/2016: $94.99

07/18/2016: $94.48

07/17/2016: $95

07/15/2016: $94.48

07/14/2016: $94.96

07/08/2016: $90

07/07/2016: $94.99

06/30/2016: $89.99

06/21/2016: $95

06/19/2016: $94.94

06/17/2016: $90

06/13/2016: $94.94

06/10/2016: $95

06/05/2016: $98.93

06/02/2016: $98.96

05/28/2016: $98.99

05/23/2016: $99.17

05/16/2016: $99.2

05/12/2016: $99.17

04/28/2016: $97

04/20/2016: $96.5

04/15/2016: $97

04/14/2016: $85.99

04/10/2016: $97

04/06/2016: $80

04/03/2016: $97

03/15/2016: $98.5

03/14/2016: $89.49

03/12/2016: $88.37

03/04/2016: $89

03/01/2016: $89.5

02/27/2016: $91

02/24/2016: $91.5

02/23/2016: $92.49

02/22/2016: $93

02/21/2016: $93.99

02/19/2016: $94.5

02/17/2016: $94.89

02/16/2016: $95.47

02/09/2016: $98.5

02/06/2016: $69

02/04/2016: $98.5

02/03/2016: $88

02/02/2016: $90.7

01/31/2016: $124

01/28/2016: $125

01/27/2016: $100

01/25/2016: $125

01/23/2016: $125.49

01/22/2016: $123

01/21/2016: $135

01/19/2016: $99.95

01/18/2016: $121.5

01/16/2016: $135

01/11/2016: $129.99

01/10/2016: $135

01/07/2016: $99

01/06/2016: $100

01/05/2016: $125.49

01/04/2016: $110

01/03/2016: $144.13

01/01/2016: $110

12/30/2015: $125

12/29/2015: $119

12/19/2015: $99.99

12/14/2015: $109.94

12/10/2015: $109.98

12/09/2015: $115.78

12/07/2015: $115.83

12/06/2015: $115.87

12/04/2015: $115.94

12/02/2015: $116.81

11/29/2015: $116.85

11/25/2015: $116.92

11/23/2015: $116.85

10/21/2015: $117.95

10/20/2015: $118

10/17/2015: $118.95

10/14/2015: $119.95

10/07/2015: $129.95

10/06/2015: $138.9

10/05/2015: $138.49

10/01/2015: $138.9

09/21/2015: $138.95

09/19/2015: $138

09/18/2015: $138.95

09/16/2015: $142.47

09/11/2015: $120.95

09/10/2015: $117

09/09/2015: $110.95

09/06/2015: $152.88

09/05/2015: $149.01

09/04/2015: $152.88

09/03/2015: $150.9

09/02/2015: $152.88

08/31/2015: $149.01

08/30/2015: $152.88

08/27/2015: $152.81

08/26/2015: $149.76

08/24/2015: $152.88

08/21/2015: $148.92

08/20/2015: $133

08/15/2015: $134.7

08/14/2015: $149.28

08/13/2015: $146.52

08/12/2015: $149.96

08/11/2015: $143.52

08/09/2015: $149.96

08/08/2015: $147.32

08/07/2015: $145.2

08/06/2015: $147.32

08/05/2015: $145.21

08/04/2015: $142.01

07/31/2015: $145.2

07/30/2015: $142

07/25/2015: $145

07/23/2015: $142.01

07/22/2015: $143.01

07/21/2015: $140

07/20/2015: $120

07/17/2015: $118

07/11/2015: $120

07/10/2015: $113.68

06/26/2015: $119

06/25/2015: $118.95

06/24/2015: $119

06/18/2015: $99.99

06/02/2015: $117

05/16/2015: $116.95

04/04/2015: $120