Formula in excel please

PRICE DATA FOR 6 STOCKS AND THE S&P500 Date 4/Jan/10 1/Feb/10 1/Mar/10 1/Apr/10 3/May/10 1/Jun/10 1/Jul/10 2/Aug/10 1/Sep/10 1/Oct/10 1/Nov/10 1/Dec/10 3/Jan/11 1/Feb/11 1/Mar/11 1/Apr/11 2/May/11 1/Jun/11 1/Jul/11 1/Aug/11 1/Sep/11 3/Oct/11 1/Nov/11 1/Dec/11 3/Jan/12 1/Feb/12 1/Mar/12 2/Apr/12 1/May/12 1/Jun/12 2/Jul/12 1/Aug/12 4/Sep/12 1/Oct/12 1/Nov/12 3/Dec/12 2/Jan/13 Hewlett- Packard HPQ 44.77 48.30 50.63 49.50 43.83 41.29 43.93 36.69 40.22 40.20 40.09 40.33 43.77 41.79 39.32 38.75 35.88 35.05 33.87 25.07 21.74 25.76 27.06 25.05 27.21 24.61 23.29 24.20 22.16 19.77 17.93 16.59 16.90 13.72 12.87 14.25 15.14 Pfizer PFE 16.54 15.70 15.34 14.96 13.77 12.89 13.56 14.54 15.70 15.92 15.05 16.17 16.83 17.96 18.95 19.57 20.21 19.41 18.14 18.08 16.85 18.35 19.32 20.83 20.60 20.55 22.02 22.27 21.48 22.59 23.61 23.65 24.63 24.65 25.02 25.08 25.96 El Paso Pipelines EPB 20.68 22.23 23.95 23.53 24.02 24.96 27.77 27.61 28.28 30.09 29.57 29.86 31.40 34.09 32.76 33.91 31.47 31.81 32.64 34.13 32.90 31.36 30.83 32.58 33.52 34.99 33.29 32.81 31.78 32.74 34.30 35.61 36.62 35.71 37.33 36.97 37.88 Teva TEVA 53.48 56.77 59.67 55.56 52.03 49.34 46.36 48.22 50.25 49.42 47.85 49.85 52.26 48.11 48.18 43.91 49.11 46.52 45.00 40.12 36.11 39.63 38.63 39.36 44.02 43.97 44.21 44.91 38.70 38.95 40.38 39.33 41.15 40.16 40.35 37.34 38.04 Kellogg K 49.46 47.74 48.92 50.30 49.26 46.38 46.15 46.18 46.95 46.72 46.14 47.87 47.14 50.58 50.98 54.08 54.21 52.62 53.06 52.08 51.00 51.97 47.55 48.92 47.90 51.05 52.30 49.32 47.98 48.52 46.92 50.25 51.25 51.91 55.46 55.85 56.64 Ford F 10.64 11.52 12.34 12.78 11.51 9.90 12.54 11.08 12.02 13.87 15.65 16.48 15.66 14.77 14.64 15.19 14.65 13.54 11.99 10.92 9.49 11.47 10.41 10.56 12.24 12.20 12.30 11.16 10.45 9.49 9.15 9.29 9.81 11.16 11.45 12.95 13.57 S&P500 AGSPC 1073.87 1104.49 1169.43 1186.69 1089.41 1030.71 1101.60 1049.33 1141.20 1183.26 1180.55 1257.64 1286.12 1327.22 1325.83 1363.61 1345.20 1320.64 1292.28 1218.89 1131.42 1253.30 1246.96 1257.60 1312.41 1365.68 1408.47 1397.91 1310.33 1362.16 1379.32 1406.58 1440.67 1412.16 1416.18 1426.19 1466.47 COMPUTING THE SAMPLE VARIANCE-COVARIANCE Variance-covariance matrix HPQ PFE EPB TEVA K F HPQ PFE EPB TEVA K F Correlation matrix EPB TEVA HPQ PFE K F HPQ PFE EPB TEVA K F PRICE DATA FOR 6 STOCKS AND THE S&P500 Date 4/Jan/10 1/Feb/10 1/Mar/10 1/Apr/10 3/May/10 1/Jun/10 1/Jul/10 2/Aug/10 1/Sep/10 1/Oct/10 1/Nov/10 1/Dec/10 3/Jan/11 1/Feb/11 1/Mar/11 1/Apr/11 2/May/11 1/Jun/11 1/Jul/11 1/Aug/11 1/Sep/11 3/Oct/11 1/Nov/11 1/Dec/11 3/Jan/12 1/Feb/12 1/Mar/12 2/Apr/12 1/May/12 1/Jun/12 2/Jul/12 1/Aug/12 4/Sep/12 1/Oct/12 1/Nov/12 3/Dec/12 2/Jan/13 Hewlett- Packard HPQ 44.77 48.30 50.63 49.50 43.83 41.29 43.93 36.69 40.22 40.20 40.09 40.33 43.77 41.79 39.32 38.75 35.88 35.05 33.87 25.07 21.74 25.76 27.06 25.05 27.21 24.61 23.29 24.20 22.16 19.77 17.93 16.59 16.90 13.72 12.87 14.25 15.14 Pfizer PFE 16.54 15.70 15.34 14.96 13.77 12.89 13.56 14.54 15.70 15.92 15.05 16.17 16.83 17.96 18.95 19.57 20.21 19.41 18.14 18.08 16.85 18.35 19.32 20.83 20.60 20.55 22.02 22.27 21.48 22.59 23.61 23.65 24.63 24.65 25.02 25.08 25.96 El Paso Pipelines EPB 20.68 22.23 23.95 23.53 24.02 24.96 27.77 27.61 28.28 30.09 29.57 29.86 31.40 34.09 32.76 33.91 31.47 31.81 32.64 34.13 32.90 31.36 30.83 32.58 33.52 34.99 33.29 32.81 31.78 32.74 34.30 35.61 36.62 35.71 37.33 36.97 37.88 Teva TEVA 53.48 56.77 59.67 55.56 52.03 49.34 46.36 48.22 50.25 49.42 47.85 49.85 52.26 48.11 48.18 43.91 49.11 46.52 45.00 40.12 36.11 39.63 38.63 39.36 44.02 43.97 44.21 44.91 38.70 38.95 40.38 39.33 41.15 40.16 40.35 37.34 38.04 Kellogg K 49.46 47.74 48.92 50.30 49.26 46.38 46.15 46.18 46.95 46.72 46.14 47.87 47.14 50.58 50.98 54.08 54.21 52.62 53.06 52.08 51.00 51.97 47.55 48.92 47.90 51.05 52.30 49.32 47.98 48.52 46.92 50.25 51.25 51.91 55.46 55.85 56.64 Ford F 10.64 11.52 12.34 12.78 11.51 9.90 12.54 11.08 12.02 13.87 15.65 16.48 15.66 14.77 14.64 15.19 14.65 13.54 11.99 10.92 9.49 11.47 10.41 10.56 12.24 12.20 12.30 11.16 10.45 9.49 9.15 9.29 9.81 11.16 11.45 12.95 13.57 S&P500 AGSPC 1073.87 1104.49 1169.43 1186.69 1089.41 1030.71 1101.60 1049.33 1141.20 1183.26 1180.55 1257.64 1286.12 1327.22 1325.83 1363.61 1345.20 1320.64 1292.28 1218.89 1131.42 1253.30 1246.96 1257.60 1312.41 1365.68 1408.47 1397.91 1310.33 1362.16 1379.32 1406.58 1440.67 1412.16 1416.18 1426.19 1466.47 COMPUTING THE SAMPLE VARIANCE-COVARIANCE Variance-covariance matrix HPQ PFE EPB TEVA K F HPQ PFE EPB TEVA K F Correlation matrix EPB TEVA HPQ PFE K F HPQ PFE EPB TEVA K F