Nasdaq Biotechnology Index

Historical seasonal analysis for NBI - Nasdaq Biotechnology Index This table shows the historical average percentage move if the stock was bought at the Open on the date in the first column and held for a number of trading days. The column headers - 1 to 10 - represent the trading days held and then a sell at the Close of the trading day.
YOU ARE LOOKING AT HISTORY - NOT PREDICTIONS!


Day of Month 1 2 3 4 5 6 7 8 9 10
Jan 10.000.000.000.000.000.000.000.000.000.00
Jan 20.000.000.000.000.000.000.000.000.000.00
Jan 3-0.890.720.600.580.661.132.333.613.723.93
Jan 41.441.311.291.371.853.064.344.464.673.88
Jan 5-0.01-0.030.040.511.712.983.093.302.522.89
Jan 60.000.000.000.000.000.000.000.000.000.00
Jan 70.000.000.000.000.000.000.000.000.000.00
Jan 8-0.22-0.140.331.522.792.903.112.332.702.32
Jan 90.140.611.803.073.193.402.612.992.612.11
Jan 10-4.030.941.19-2.74-2.63-3.030.750.330.721.76
Jan 110.380.62-3.31-3.21-3.600.18-0.240.161.190.02
Jan 121.241.351.560.781.150.780.291.06-0.17-0.97
Jan 130.000.000.000.000.000.000.000.000.000.00
Jan 140.000.000.000.000.000.000.000.000.000.00
Jan 150.000.000.000.000.000.000.000.000.000.00
Jan 16-0.130.08-0.68-0.32-0.69-1.17-0.42-1.62-2.41-2.26
Jan 170.22-4.20-4.02-4.20-0.81-0.66-0.62-0.37-0.85-0.73
Jan 18-4.26-4.08-4.26-0.85-0.71-0.66-0.40-0.88-0.77-1.06
Jan 190.500.13-0.360.40-0.81-1.61-1.46-0.83-0.980.19
Jan 200.000.000.000.000.000.000.000.000.000.00
Jan 210.000.000.000.000.000.000.000.000.000.00
Jan 22-0.67-1.15-0.40-1.61-2.40-2.24-1.62-1.77-0.61-1.12
Jan 23-0.330.43-0.79-1.58-1.43-0.80-0.950.22-0.29-0.96
Jan 24-3.10-3.72-0.44-0.600.370.960.980.52-0.03-0.39
Jan 25-0.97-1.77-1.61-0.98-1.140.03-0.48-1.15-1.23-0.60
Jan 26-3.610.140.220.792.051.230.690.430.430.64
Jan 270.690.231.532.861.731.330.890.250.23-0.25
Jan 280.000.000.000.000.000.000.000.000.000.00
Jan 290.340.980.822.011.490.810.721.371.801.07
Jan 30-0.060.511.760.940.400.140.150.35-0.25-0.02
Jan 310.461.720.900.360.100.100.30-0.29-0.07-0.28
Feb 10.28-0.52-1.05-1.31-1.30-1.10-1.69-1.47-1.67-0.69
Feb 2-0.74-1.27-1.52-1.52-1.31-1.90-1.69-1.88-0.91-0.24
Feb 3-0.02-0.45-1.08-1.10-1.57-1.17-1.89-0.581.102.51
Feb 40.000.000.000.000.000.000.000.000.000.00
Feb 5-0.51-0.600.040.46-0.25-0.210.110.760.460.25
Feb 6-0.38-0.38-0.18-0.77-0.55-0.750.230.921.521.87
Feb 7-0.030.17-0.43-0.20-0.410.581.271.882.221.75
Feb 8-0.01-0.61-0.38-0.590.401.091.702.051.572.27
Feb 9-0.75-0.52-0.730.260.951.561.911.432.132.57
Feb 100.28-0.460.882.584.014.133.024.625.777.90
Feb 110.000.000.000.000.000.000.000.000.000.00
Feb 120.000.000.000.000.000.000.000.000.000.00
Feb 13-0.490.842.543.974.092.984.595.737.866.09
Feb 140.932.644.074.193.084.695.837.976.197.22
Feb 151.482.913.021.923.514.656.765.006.026.00
Feb 161.001.110.031.602.714.783.054.064.043.06
Feb 17-0.02-1.090.451.553.601.892.892.871.900.90
Feb 180.000.000.000.000.000.000.000.000.000.00
Feb 190.000.000.000.000.000.000.000.000.000.00
Feb 200.000.000.000.000.000.000.000.000.000.00
Feb 21-1.330.211.313.351.652.642.611.650.66-0.41
Feb 221.472.584.652.923.933.902.931.920.841.63
Feb 230.000.000.000.000.000.000.000.000.000.00
Feb 241.283.321.622.602.581.620.63-0.440.34-0.54
Feb 250.000.000.000.000.000.000.000.000.000.00
Feb 260.000.000.000.000.000.000.000.000.000.00
Feb 271.58-0.100.870.85-0.09-1.07-2.12-1.36-2.22-1.75
Feb 28-1.41-0.45-0.47-1.41-2.37-3.41-2.65-3.50-3.04-2.87
Feb 290.000.000.000.000.000.000.000.000.000.00
Feb 300.000.000.000.000.000.000.000.000.000.00
Feb 310.000.000.000.000.000.000.000.000.000.00
Mar 10.600.58-0.36-1.34-2.39-1.62-2.48-2.02-1.84-1.05
Mar 20.36-0.58-1.55-2.60-1.83-2.69-2.23-2.05-1.26-0.80
Mar 3-0.61-1.59-2.63-1.87-2.73-2.26-2.09-1.30-0.83-1.22
Mar 40.000.000.000.000.000.000.000.000.000.00
Mar 50.000.000.000.000.000.000.000.000.000.00
Mar 6-1.11-2.16-1.39-2.26-1.79-1.61-0.82-0.35-0.74-0.77
Mar 7-0.720.06-0.82-0.34-0.160.641.120.720.700.55
Mar 81.100.210.690.871.692.171.771.741.59-0.23
Mar 9-1.08-0.60-0.430.380.850.460.430.28-1.51-0.89
Mar 100.510.691.501.981.591.561.41-0.400.23-0.12
Mar 110.000.000.000.000.000.000.000.000.000.00
Mar 120.000.000.000.000.000.000.000.000.000.00
Mar 13-0.220.591.060.670.640.49-1.31-0.68-1.02-0.96
Mar 141.001.471.081.050.90-0.90-0.27-0.61-0.56-1.20
Mar 150.34-0.05-0.08-0.22-2.01-1.39-1.73-1.67-2.31-3.04
Mar 16-0.67-0.70-0.84-2.62-2.00-2.34-2.28-2.91-3.65-2.79
Mar 17-0.23-0.37-2.16-1.54-1.87-1.82-2.45-3.19-2.33-1.97
Mar 180.000.000.000.000.000.000.000.000.000.00
Mar 190.000.000.000.000.000.000.000.000.000.00
Mar 20-0.33-2.11-1.49-1.83-1.77-2.41-3.15-2.29-1.93-1.73
Mar 21-1.79-1.17-1.51-1.45-2.09-2.83-1.97-1.61-1.41-2.83
Mar 221.080.730.790.14-0.620.270.630.83-0.62-0.45
Mar 23-0.17-0.12-0.77-1.51-0.64-0.28-0.07-1.52-1.35-1.57
Mar 240.29-0.36-1.11-0.230.130.33-1.12-0.95-1.17-3.28
Mar 250.000.000.000.000.000.000.000.000.000.00
Mar 260.000.000.000.000.000.000.000.000.000.00
Mar 27-0.34-1.09-0.210.160.36-1.09-0.92-1.15-3.25-4.56
Mar 28-0.93-0.050.310.52-0.93-0.77-0.99-3.10-4.40-4.85
Mar 290.791.151.36-0.100.06-0.16-2.29-3.61-4.06-5.77
Mar 300.200.40-1.05-0.88-1.11-3.21-4.52-4.97-6.66-5.59
Mar 310.01-1.43-1.27-1.49-3.59-4.89-5.34-7.02-5.96-5.04
Apr 10.000.000.000.000.000.000.000.000.000.00
Apr 20.000.000.000.000.000.000.000.000.000.00
Apr 3-1.64-1.48-1.70-3.79-5.09-5.54-7.22-6.16-5.25-5.81
Apr 40.06-0.17-2.29-3.61-4.06-5.77-4.69-3.77-4.34-2.62
Apr 5-0.17-2.29-3.61-4.07-5.78-4.70-3.77-4.34-2.62-2.55
Apr 6-2.02-3.34-3.80-5.51-4.42-3.50-4.07-2.35-2.27-2.56
Apr 7-1.80-2.26-4.00-2.90-1.96-2.54-0.79-0.71-1.01-1.98
Apr 80.000.000.000.000.000.000.000.000.000.00
Apr 90.000.000.000.000.000.000.000.000.000.00
Apr 10-0.62-2.39-1.27-0.32-0.910.870.950.65-0.34-0.69
Apr 11-2.02-0.900.06-0.531.261.341.040.04-0.31-1.33
Apr 121.132.101.503.333.403.102.081.730.68-0.23
Apr 131.220.622.432.512.201.200.84-0.19-1.090.21
Apr 140.000.000.000.000.000.000.000.000.000.00
Apr 150.000.000.000.000.000.000.000.000.000.00
Apr 160.000.000.000.000.000.000.000.000.000.00
Apr 17-0.581.211.280.99-0.01-0.36-1.38-2.27-0.98-0.60
Apr 181.471.541.240.25-0.10-1.13-2.02-0.73-0.35-1.20
Apr 190.520.22-0.76-1.11-2.13-3.01-1.73-1.35-2.19-3.47
Apr 20-0.02-1.00-1.35-2.36-3.25-1.97-1.59-2.43-3.71-3.60
Apr 21-1.47-1.81-2.82-3.70-2.43-2.05-2.89-4.16-4.05-3.36
Apr 220.000.000.000.000.000.000.000.000.000.00
Apr 230.000.000.000.000.000.000.000.000.000.00
Apr 24-0.45-1.47-2.36-1.07-0.69-1.54-2.83-2.72-2.02-0.49
Apr 25-1.10-1.99-0.70-0.31-1.16-2.46-2.35-1.65-0.11-0.18
Apr 26-0.910.400.79-0.07-1.38-1.27-0.561.000.920.29
Apr 271.301.690.82-0.50-0.380.331.901.831.19-0.17
Apr 280.41-0.45-1.75-1.64-0.930.620.55-0.08-1.43-2.90
Apr 290.000.000.000.000.000.000.000.000.000.00
Apr 300.000.000.000.000.000.000.000.000.000.00
Apr 310.000.000.000.000.000.000.000.000.000.00
May 1-1.28-2.57-2.46-1.76-0.22-0.30-0.92-2.26-3.72-4.88
May 2-1.31-1.19-0.481.071.000.37-0.99-2.47-3.64-3.32
May 30.531.252.842.762.120.74-0.77-1.96-1.63-2.46
May 40.752.322.251.610.24-1.26-2.45-2.13-2.95-4.63
May 51.030.950.32-1.03-2.51-3.68-3.36-4.18-5.84-7.52
May 60.000.000.000.000.000.000.000.000.000.00
May 70.000.000.000.000.000.000.000.000.000.00
May 80.01-0.62-1.96-3.42-4.58-4.27-5.07-6.72-8.38-7.44
May 9-0.59-1.93-3.39-4.56-4.24-5.04-6.69-8.35-7.42-8.46
May 10-0.82-2.30-3.48-3.16-3.97-5.64-7.32-6.37-7.42-8.28
May 11-1.74-2.92-2.59-3.41-5.09-6.78-5.83-6.88-7.75-7.00
May 12-1.02-0.69-1.52-3.23-4.95-3.98-5.06-5.94-5.18-3.14
May 130.000.000.000.000.000.000.000.000.000.00
May 140.000.000.000.000.000.000.000.000.000.00
May 150.59-0.25-1.98-3.73-2.74-3.84-4.72-3.95-1.890.14
May 16-0.71-2.44-4.17-3.20-4.28-5.17-4.40-2.35-0.32-2.43
May 17-1.22-2.97-1.98-3.08-3.98-3.20-1.120.92-1.210.12
May 18-2.05-1.05-2.16-3.06-2.27-0.181.89-0.261.072.78
May 191.150.02-0.91-0.102.044.151.953.325.065.73
May 200.000.000.000.000.000.000.000.000.000.00
May 210.000.000.000.000.000.000.000.000.000.00
May 22-0.65-1.57-0.771.363.461.272.634.365.021.73
May 23-1.65-0.861.273.371.182.544.274.931.641.47
May 240.692.864.982.774.145.906.573.233.063.31
May 251.473.571.382.744.475.141.841.671.922.01
May 261.39-0.760.572.272.92-0.31-0.47-0.23-0.14-0.94
May 270.000.000.000.000.000.000.000.000.000.00
May 280.000.000.000.000.000.000.000.000.000.00
May 290.000.000.000.000.000.000.000.000.000.00
May 30-1.84-0.521.161.80-1.40-1.56-1.32-1.23-2.02-4.12
May 311.272.973.630.380.210.460.55-0.26-2.39-3.63
Jun 11.472.11-1.09-1.25-1.01-0.92-1.72-3.82-5.04-4.35
Jun 20.02-3.12-3.28-3.05-2.96-3.74-5.80-6.99-6.32-3.69
Jun 30.000.000.000.000.000.000.000.000.000.00
Jun 40.000.000.000.000.000.000.000.000.000.00
Jun 5-2.75-2.91-2.67-2.58-3.37-5.43-6.63-5.95-3.32-6.17
Jun 6-0.190.050.14-0.66-2.79-4.02-3.32-0.62-3.55-4.03
Jun 70.150.24-0.57-2.70-3.93-3.23-0.52-3.45-3.94-3.10
Jun 80.50-0.31-2.44-3.68-2.98-0.26-3.20-3.69-2.85-3.75
Jun 9-1.03-3.14-4.37-3.68-0.98-3.90-4.38-3.55-4.45-3.55
Jun 100.000.000.000.000.000.000.000.000.000.00
Jun 110.000.000.000.000.000.000.000.000.000.00
Jun 12-2.23-3.47-2.77-0.05-2.99-3.48-2.64-3.54-2.64-2.33
Jun 13-1.03-0.312.48-0.54-1.04-0.18-1.11-0.180.14-1.75
Jun 140.773.590.540.030.90-0.030.901.23-0.68-0.37
Jun 152.35-0.66-1.16-0.30-1.23-0.300.02-1.86-1.561.54
Jun 160.000.000.000.000.000.000.000.000.000.00
Jun 170.000.000.000.000.000.000.000.000.000.00
Jun 180.000.000.000.000.000.000.000.000.000.00
Jun 19-2.02-2.51-1.66-2.57-1.66-1.34-3.20-2.900.161.30
Jun 20-0.550.32-0.610.320.64-1.25-0.942.173.343.91
Jun 210.92-0.020.921.24-0.66-0.352.783.964.533.40
Jun 22-0.760.160.49-1.40-1.092.023.183.752.633.13
Jun 231.021.35-0.56-0.252.894.064.643.504.013.26
Jun 240.000.000.000.000.000.000.000.000.000.00
Jun 250.000.000.000.000.000.000.000.000.000.00
Jun 260.20-1.68-1.381.732.893.462.342.842.091.37
Jun 27-1.88-1.571.522.683.252.132.631.891.161.62
Jun 280.073.224.404.983.844.353.592.853.32-2.01
Jun 292.733.914.483.353.863.112.372.83-2.47-2.68
Jun 300.250.80-0.290.20-0.53-1.24-0.79-5.90-6.11-3.23
Jun 310.000.000.000.000.000.000.000.000.000.00
Jul 10.000.000.000.000.000.000.000.000.000.00
Jul 20.000.000.000.000.000.000.000.000.000.00
Jul 30.30-0.79-0.30-1.02-1.73-1.28-6.37-6.58-3.71-5.68
Jul 40.000.000.000.000.000.000.000.000.000.00
Jul 5-0.460.03-0.70-1.41-0.96-6.06-6.27-3.40-5.37-5.94
Jul 60.34-0.39-1.10-0.66-5.77-5.98-3.10-5.07-5.64-3.32
Jul 7-0.60-1.31-0.86-5.97-6.18-3.30-5.27-5.84-3.52-1.76
Jul 80.000.000.000.000.000.000.000.000.000.00
Jul 90.000.000.000.000.000.000.000.000.000.00
Jul 10-0.97-0.52-5.65-5.86-2.97-4.95-5.52-3.19-1.43-0.55
Jul 110.55-4.63-4.84-1.92-3.92-4.50-2.14-0.360.530.53
Jul 120.000.000.000.000.000.000.000.000.000.00
Jul 130.000.000.000.000.000.000.000.000.000.00
Jul 140.000.000.000.000.000.000.000.000.000.00
Jul 150.000.000.000.000.000.000.000.000.000.00
Jul 160.000.000.000.000.000.000.000.000.000.00
Jul 17-0.55-0.772.280.19-0.412.043.914.834.834.37
Jul 18-0.372.690.60-0.012.454.325.255.254.794.91
Jul 192.930.830.222.694.575.505.505.045.154.20
Jul 20-1.70-2.290.111.942.852.852.402.511.592.40
Jul 21-0.521.933.794.724.724.264.383.434.265.41
Jul 220.000.000.000.000.000.000.000.000.000.00
Jul 230.000.000.000.000.000.000.000.000.000.00
Jul 241.973.834.754.754.304.413.474.295.444.32
Jul 251.802.702.702.252.371.442.253.382.280.80
Jul 260.930.930.490.60-0.310.491.60