CF Industries Holdings (NY: CF )

Historical Prices

Date	Open	High	Low	Close	Volume	Change (%)
Dec 31, 2010	19.91	20.09	19.69	19.71	7,265,591	-0.22(-1.11%)
Dec 30, 2010	19.65	20.23	19.65	19.93	11,754,594	+0.27(+1.35%)
Dec 29, 2010	19.31	20.02	19.11	19.67	13,892,464	+0.42(+2.17%)
Dec 28, 2010	19.56	19.72	19.20	19.25	8,778,909	-0.33(-1.67%)
Dec 27, 2010	19.58	19.74	19.25	19.58	8,494,626	-0.11(-0.56%)
Dec 23, 2010	18.79	19.80	18.68	19.69	17,898,314	+0.90(+4.78%)
Dec 22, 2010	18.82	18.89	18.31	18.79	10,502,651	-0.05(-0.27%)
Dec 21, 2010	18.54	18.86	18.53	18.84	9,076,248	+0.38(+2.05%)
Dec 20, 2010	18.34	18.70	18.29	18.46	11,211,931	+0.23(+1.29%)
Dec 17, 2010	17.76	18.27	17.61	18.23	18,600,298	+0.47(+2.62%)
Dec 16, 2010	17.47	17.83	17.28	17.76	8,863,466	+0.31(+1.77%)
Dec 15, 2010	17.05	17.81	16.97	17.45	10,714,337	+0.32(+1.88%)
Dec 14, 2010	17.48	17.55	17.00	17.13	13,253,054	-0.37(-2.12%)
Dec 13, 2010	18.01	18.19	17.36	17.50	15,631,545	-0.44(-2.45%)
Dec 10, 2010	17.76	18.03	17.49	17.94	8,120,437	+0.19(+1.07%)
Dec 09, 2010	17.81	17.92	17.56	17.75	7,051,115	+0.06(+0.31%)
Dec 08, 2010	17.99	17.99	17.44	17.70	10,834,136	-0.19(-1.05%)
Dec 07, 2010	18.41	18.48	17.83	17.88	10,355,981	-0.38(-2.10%)
Dec 06, 2010	18.44	18.71	18.18	18.27	8,335,798	-0.23(-1.25%)
Dec 03, 2010	17.97	18.64	17.96	18.50	10,490,639	+0.45(+2.49%)
Dec 02, 2010	18.18	18.44	17.91	18.05	12,477,470	-0.04(-0.23%)