quantconnect--lean/Data/future/usa/margins/CL.csv

1	date	initial	maintenance
2	20090112	7425	6750
3	20090226	7425	6750
4	20090302	5775	5250
5	20090326	6325	5750
6	20090421	6325	5750
7	20090605	6325	5750
8	20090616	6325	5750
9	20090617	6325	5750
10	20090701	6325	5750
11	20090807	6325	5750
12	20090821	5775	5250
13	20090824	5775	5250
14	20090831	5775	5250
15	20090916	4950	4500
16	20091113	4400	4000
17	20091223	3850	3500
18	20100423	4125	3750
19	20100521	4125	3750
20	20110225	4950	4500
21	20110304	5500	5000
22	20110415	4675	4250
23	20110510	6875	6250
24	20110531	5500	5000
25	20110829	6600	6000
26	20111212	6160	5600
27	20120213	5610	5100
28	20120529	5060	4600
29	20120709	5610	5100
30	20120813	4675	4250
31	20130129	4950	4500
32	20130430	4510	4100
33	20131105	4070	3700
34	20131122	3740	3400
35	20140228	3410	3100
36	20140314	2145	1950
37	20140404	3190	2900
38	20140811	2970	2700
39	20141003	3245	2950
40	20141017	3740	3400
41	20141117	4070	3700
42	20141126	4235	3850
43	20141202	4895	4450
44	20150206	5390	4900
45	20150501	4675	4250
46	20150708	5060	4600
47	20160223	3850	3500
48	20160414	3740	3400