NBT vs. BTC price volatility

	A	B	C	D	E	F
1	Date	Btc price (usd)	NBT price (usd)	Daily change (%)	NBT volatiliy! (%) : Standard deviation (30 Days window)	BTC volatility : from btcvol.info (%)
2	09/28/14	380				3.054232301
3	09/29/14	381.94				3.185036959
4	09/30/14	382.67				3.104161147
5	10/01/14	385.27				3.18633736
6	10/02/14	375.85				3.182638624
7	10/03/14	363.75				3.196217692
8	10/04/14	336				3.1671765
9	10/05/14	293.67				3.499772597
10	10/06/14	331.2				3.485231605
11	10/07/14	330.7				3.566508073
12	10/08/14	346.26				3.609352479
13	10/09/14	378.94				3.81081685
14	10/10/14	358.97				3.863533965
15	10/11/14	359.99				3.862154372
16	10/12/14	364.83				3.866966096
17	10/13/14	381.46				3.993546475
18	10/14/14	411.89				4.06222203
19	10/15/14	394				4.108641167
20	10/16/14	378.02				4.109664638
21	10/17/14	382.83				4.128074242
22	10/18/14	389.68				3.902051179
23	10/19/14	388.99				3.694306453
24	10/20/14	384.95				3.624086878
25	10/21/14	387				3.610512163
26	10/22/14	385.1				3.612215983
27	10/23/14	363.99				3.181785213
28	10/24/14	358.46				3.330967716
29	10/25/14	348.89				3.291957917
30	10/26/14	355.43				3.307686459
31	10/27/14	356.5				3.328917902
32	10/28/14	354.94				3.17083044
33	10/29/14	343.53				3.177211497
34	10/30/14	337				3.254506951
35	10/31/14	340.95				3.3173357
36	11/01/14	327.39				3.3084641
37	11/02/14	326.41				3.278412953
38	11/03/14	325.81				2.80932109
39	11/04/14	328.72				2.788084502
40	11/05/14	341.99				2.750725818
41	11/06/14	347.96				2.777644537
42	11/07/14	342.26				2.651349083
43	11/08/14	345.84				2.60743453
44	11/09/14	356.34				2.604626334
45	11/10/14	375.87				2.804316045
46	11/11/14	365.04				2.665195983
47	11/12/14	430.07				2.592116462
48	11/13/14	406.56				3.834761538
49	11/14/14	396.56				3.848662648
50	11/15/14	373.14				3.90571615
51	11/16/14	383.65				4.071360444
52	11/17/14	378.48				4.104136899
53	11/18/14	379.91				4.104611527
54	11/19/14	374.77				4.143492114
55	11/20/14	361.7				4.148293444
56	11/21/14	356.9				4.2800678
57	11/22/14	359.8				4.13348226
58	11/23/14	362.99				4.137345302
59	11/24/14	384				4.175970712
60	11/25/14	381.03				4.186554017
61	11/26/14	371.44				4.182538053
62	11/27/14	372.62				4.200421385
63	11/28/14	376.12				4.061919245
64	11/29/14	377.22				4.038270353
65	11/30/14	375.96				4.014026867
66	12/01/14	381.72				3.946221723
67	12/02/14	381.93				3.941468126
68	12/03/14	378.25				3.940942766
69	12/04/14	371.67				3.961299959
70	12/05/14	373.98				3.955070565
71	12/06/14	374.05	1.00661			3.926652899
72	12/07/14	375.73	0.999078	-0.7483		3.90422316
73	12/08/14	367.01	0.994937	-0.4145	.23601	3.903062631
74	12/09/14	350.29	1.01171	1.6858	1.31957	3.837741546
75	12/10/14	350.97	0.999993	-1.1581	1.26678	3.868184963
76	12/11/14	356.1	0.999805	-0.0188	1.09885	3.880180802
77	12/12/14	355.08	1.00079	0.0985	.98729	2.51808002
78	12/13/14	350.31	1.00842	0.7624	.95744	2.518415925
79	12/14/14	353.28	0.995521	-1.2791	.99992	2.400334798
80	12/15/14	352.15	0.994318	-0.1208	.93535	2.163618772
81	12/16/14	336.73	1.00362	0.9355	.94432	2.056200689
82	12/17/14	318.2	1.00272	-0.0897	.89607	2.276437538
83	12/18/14	317.7	0.995413	-0.7287	.87775	2.224959199
84	12/19/14	317.63	0.993982	-0.1438	.84052	2.230638205
85	12/20/14	325.7	1.01882	2.4988	1.06407	2.05694285
86	12/21/14	326.93	0.994132	-2.4232	1.21364	2.178466549
87	12/22/14	332.53	0.988482	-0.5683	1.17892	2.236235659
88	12/23/14	336.96	0.99921	1.0853	1.17755	2.197376741
89	12/24/14	327.59	1.00562	0.6415	1.15352	2.155224293
90	12/25/14	319.31	0.991412	-1.4129	1.16699	2.237778297
91	12/26/14	328.09	0.99686	0.5495	1.14438	2.223688247
92	12/27/14	314.45	0.99383	-0.3040	1.11687	2.296770295
93	12/28/14	317.5	0.98819	-0.5675	1.09541	2.335606982
94	12/29/14	314.49	1.00357	1.5564	1.12319	2.343624037
95	12/30/14	313.09	0.996872	-0.6674	1.10674	2.338683302
96	12/31/14	317.4	0.98834	-0.8559	1.09582	2.329927719
97	01/01/15	315.7	0.999446	1.1237	1.09880	2.421888931
98	01/02/15	316.15	1.00475	0.5307	1.08269	2.423375608
99	01/03/15	302.33	0.997129	-0.7585	1.07205	2.420924752
100	01/04/15	270.93	1.00832	1.1223	1.07419	3.141618156