Will need monthly (adjusted) closing prices for the following stocks. Yahoo Finance (finance.yahoo.com) and please collect monthly stock data on the following companies for the period 10/1/2012 through 10/1/2017:

Hilton Worldwide (HLT)

Kennedy-Wilson Holdings (KW)

Realogy Holding Corp (RLGY)

Duke Realty Corp (DRE)

Amazon (AMZN)

Apple (AAPL)

Ford (F)

Boeing (BA)

S&P 500 (GSPC)

Please form all two-asset portfolios from the four real estate stocks (HLT, KW, RLGY and DRE) only using the 2-year window data. Calculate the minimum variance portfolio for each pair and report the expected return and standard deviation of each pair.

Date	Close HLT	Close KW	Close RLGY	Close DRE	Close AMZN	Close AAPL	Close F	Close BA	Close GSPC
12/1/13	45.657001	null	null	null	null	null	null	null	null
1/1/14	44.4258	24.02	45.57	15.71	358.690002	71.514282	14.96	125.260002	1782.589966
2/1/14	45.882721	25.299999	47.459999	16.799999	362.100006	75.177139	15.39	128.919998	1859.449951
3/1/14	45.636478	22.51	43.450001	16.879999	336.369995	76.677139	15.6	125.489998	1872.339966
4/1/14	44.795158	21.84	42.049999	17.52	304.130005	84.298569	16.15	129.020004	1883.949951
5/1/14	46.416241	24.77	37.18	17.700001	312.549988	90.428574	16.440001	135.25	1923.569946
6/1/14	47.8116	26.82	37.709999	18.16	324.779999	92.93	17.24	127.230003	1960.22998
7/1/14	49.678921	23.4	36.759998	17.99	312.98999	95.599998	17.02	120.480003	1930.670044
8/1/14	51.956638	26.120001	40.77	18.6	339.040009	102.5	17.41	126.800003	2003.369995
9/1/14	50.54076	23.959999	37.200001	17.18	322.440002	100.75	14.79	127.379997	1972.290039
10/1/14	51.79248	27.09	41.009998	18.959999	305.459991	108	14.09	124.910004	2018.050049
11/1/14	53.80344	25.99	46.02	19.440001	338.640015	118.93	15.73	134.360001	2067.560059
12/1/14	53.536678	25.299999	44.490002	20.200001	310.350006	110.379997	15.5	129.979996	2058.899902
1/1/15	53.290489	26.59	46.5	21.83	354.529999	117.160004	14.71	145.369995	1994.98999
2/1/15	58.01009	26.76	46	21.360001	380.160004	128.460007	16.34	150.850006	2104.5
3/1/15	60.780293	26.139999	45.48	21.77	372.100006	124.43	16.139999	150.080002	2067.889893
4/1/15	59.425972	24.780001	47.41	19.809999	421.779999	125.150002	15.8	143.339996	2085.51001
5/1/15	59.425972	25.57	46.950001	19.559999	429.230011	130.279999	15.17	140.520004	2107.389893
6/1/15	56.53265	24.59	46.720001	18.57	434.089996	125.43	15.01	138.720001	2063.110107
7/1/15	55.096249	25.32	45.52	20.17	536.150024	121.300003	14.83	144.169998	2103.840088
8/1/15	50.951206	23.959999	40.299999	18.549999	512.890015	112.919998	13.87	130.679993	1972.180054
9/1/15	47.072922	22.17	37.630001	19.049999	511.890015	110.300003	13.57	130.949997	1920.030029
10/1/15	51.607845	24.52	39.099998	20.700001	625.900024	119.5	14.81	148.070007	2079.360107
11/1/15	52.141365	26.1	41.310001	20.35	664.799988	118.300003	14.33	145.449997	2080.409912
12/1/15	43.912838	24.08	36.669998	21.02	675.890015	105.260002	14.09	144.589996	2043.939941
1/1/16	36.546154	20.280001	32.799999	20.129999	587	97.339996	11.94	120.129997	1940.23999
2/1/16	42.640598	19.02	31.969999	20.68	552.52002	96.690002	12.51	118.18	1932.22998
3/1/16	46.211082	21.9	36.110001	22.540001	593.640015	108.989998	13.5	126.940002	2059.73999
4/1/16	45.246639	21.610001	35.740002	21.870001	659.590027	93.739998	13.56	134.800003	2065.300049
5/1/16	42.640598	21.32	32.799999	23.67	722.789978	99.860001	13.49	126.150002	2096.949951
6/1/16	46.231602	18.959999	29.02	26.66	715.619995	95.599998	12.57	129.869995	2098.860107
7/1/16	47.585922	21.049999	30.99	28.790001	758.809998	104.209999	12.66	133.660004	2173.600098
8/1/16	48.981285	22.059999	26.84	28.120001	769.159973	106.099998	12.6	129.449997	2170.949951
9/1/16	47.052402	22.549999	25.860001	27.33	837.309998	113.050003	12.07	131.740005	2168.27002
10/1/16	46.37524	20.6	22.889999	26.15	789.820007	113.540001	11.74	142.429993	2126.149902
11/1/16	51.443687	21.35	24.15	25.43	750.570007	110.519997	11.96	150.559998	2198.810059
12/1/16	55.814449	20.5	26.26	26.559999	768.659973	115.82	12.13	155.679993	2238.830078
1/1/17	57.580002	20.450001	25.91	24.33	823.47998	121.349998	12.36	163.419998	2278.870117
2/1/17	57.200001	22.049999	27.700001	25.639999	845.039978	136.990005	12.53	180.229996	2363.639893
3/1/17	58.459999	22.200001	29.790001	26.27	886.539978	143.660004	11.64	176.860001	2362.719971
4/1/17	58.970001	20.4	30.549999	27.73	924.98999	143.649994	11.47	184.830002	2384.199951
5/1/17	66.470001	19.6	30.459999	28.67	994.619995	152.759995	11.12	187.630005	2411.800049
6/1/17	61.849998	19.049999	32.450001	27.950001	968	144.020004	11.19	197.75	2423.409912
7/1/17	61.080002	20.1	33.200001	28.59	987.780029	148.729996	11.22	242.460007	2470.300049
8/1/17	64.330002	19.299999	33.900002	29.719999	980.599976	164	11.03	239.660004	2471.649902
9/1/17	69.449997	18.549999	32.950001	28.82	961.349976	154.119995	11.97	254.210007	2519.360107
10/1/17	72.650002	19.4	31.940001	28.379999	1110.849976	166.720001	12.1	259.25	2572.830078