Update [not sure why there's no new price for OKCoin - will investigate later]:
BitStamp USD/BTC OKCoin CNY/BTC Kraken EUR/BTC Kraken CAD/BTC CoinCheck JPY/BTC
----------------------- ----------------------- ----------------------- ----------------------- ------------------------
1 2017-05-19 1927.05 | 1 2017-05-18 11337.32 | 1 2017-05-19 1729.62 | 1 2017-05-19 2635.07 | 1 2017-05-19 230587.32
2 2017-05-11 1831.54 | 2 2017-05-14 10731.69 | 2 2017-05-11 1687.15 | 2 2017-05-11 2520.36 | 2 2017-05-18 218347.98
3 2017-05-18 1826.61 | 3 2017-05-12 10636.70 | 3 2017-05-18 1674.26 | 3 2017-05-18 2515.12 | 3 2017-05-17 215149.73
4 2017-05-14 1782.44 | 4 2017-05-17 10571.05 | 4 2017-05-17 1654.06 | 4 2017-05-17 2469.04 | 4 2017-05-11 214270.36
5 2017-05-17 1775.47 | 5 2017-05-11 10436.37 | 5 2017-05-14 1638.45 | 5 2017-05-14 2466.96 | 5 2017-05-10 213248.26
6 2017-05-12 1749.79 | 6 2017-05-13 10330.87 | 6 2017-05-10 1609.83 | 6 2017-05-12 2414.77 | 6 2017-05-14 211345.04
7 2017-05-10 1748.50 | 7 2017-05-15 10121.81 | 7 2017-05-12 1601.18 | 7 2017-05-16 2394.15 | 7 2017-05-12 210328.57
8 2017-05-15 1723.51 | 8 2017-05-10 10103.49 | 8 2017-05-15 1592.56 | 8 2017-05-10 2389.49 | 8 2017-05-09 208651.98
9 2017-05-09 1710.02 | 9 2017-05-16 9876.89 | 9 2017-05-16 1591.75 | 9 2017-05-15 2340.81 | 9 2017-05-15 207172.62
10 2017-05-16 1706.85 | 10 2017-05-09 9693.23 | 10 2017-05-09 1570.51 | 10 2017-05-13 2338.95 | 10 2017-05-16 206711.42
11 2017-05-13 1689.79 | 11 2017-05-05 8991.95 | 11 2017-05-13 1569.14 | 11 2017-05-09 2337.47 | 11 2017-05-13 198445.15
12 2017-05-08 1591.30 | 12 2017-05-08 8962.40 | 12 2017-05-08 1472.02 | 12 2017-05-08 2160.26 | 12 2017-05-08 192707.12
13 2017-05-05 1554.61 | 13 2017-05-06 8722.38 | 13 2017-05-05 1405.16 | 13 2017-05-07 2094.45 | 13 2017-05-07 178523.07
14 2017-05-06 1541.43 | 14 2017-05-04 8709.99 | 14 2017-05-07 1400.89 | 14 2017-05-06 2091.90 | 14 2017-05-05 178395.17
15 2017-05-04 1540.55 | 15 2017-05-07 8681.93 | 15 2017-05-04 1398.88 | 15 2017-05-04 2086.67 | 15 2017-05-06 176412.74
16 2017-05-07 1540.16 | 16 2017-05-02 8634.19 | 16 2017-05-06 1396.89 | 16 2017-05-05 2055.76 | 16 2017-05-04 175174.31
17 2017-05-03 1478.69 | 17 2017-05-03 8574.42 | 17 2017-05-03 1344.63 | 17 2017-05-03 1997.96 | 17 2017-05-03 167550.72
18 2017-05-02 1438.93 | 18 2017-03-06 8326.63 | 18 2017-05-02 1305.04 | 18 2017-05-02 1935.75 | 18 2017-05-02 165338.23
19 2017-05-01 1385.70 | 19 2017-03-04 8292.43 | 19 2017-05-01 1249.29 | 19 2017-05-01 1892.13 | 19 2017-05-01 157343.84
20 2017-04-30 1334.38 | 20 2017-03-03 8271.13 | 20 2017-04-29 1211.02 | 20 2017-04-29 1816.80 | 20 2017-03-03 148944.55
21 2017-04-29 1330.66 | 21 2017-03-05 8252.25 | 21 2017-04-30 1209.27 | 21 2017-04-30 1812.62 | 21 2017-03-06 148507.83
22 2017-04-28 1321.61 | 22 2017-05-01 8197.26 | 22 2017-04-28 1205.93 | 22 2017-04-27 1812.33 | 22 2017-04-30 148238.81
23 2017-04-27 1320.85 | 23 2017-03-02 8098.76 | 23 2017-03-03 1204.97 | 23 2017-04-28 1805.43 | 23 2017-03-04 147837.60
24 2017-04-26 1293.83 | 24 2017-03-07 8012.99 | 24 2017-03-06 1204.54 | 24 2017-04-26 1739.09 | 24 2017-04-29 147813.09
25 2017-03-06 1275.58 | 25 2017-02-28 7969.60 | 25 2017-04-27 1203.46 | 25 2017-04-25 1703.73 | 25 2017-04-28 147766.56
26 2017-03-03 1274.36 | 26 2017-03-15 7966.54 | 26 2017-03-04 1185.79 | 26 2017-03-04 1696.03 | 26 2017-03-05 147192.86
27 2017-04-25 1266.96 | 27 2017-03-01 7966.18 | 27 2017-03-05 1184.41 | 27 2017-03-06 1692.49 | 27 2017-04-27 146239.89
28 2017-03-04 1259.81 | 28 2017-03-13 7961.83 | 28 2017-04-26 1182.58 | 28 2017-04-24 1683.29 | 28 2017-03-02 145445.49
29 2017-03-05 1258.92 | 29 2017-03-14 7941.28 | 29 2017-03-02 1177.22 | 29 2017-03-05 1681.71 | 29 2017-03-07 145404.48
30 2017-03-15 1251.96 | 30 2017-01-04 7930.09 | 30 2017-03-15 1169.65 | 30 2017-04-22 1652.80 | 30 2017-03-14 144961.22
31 2017-03-02 1246.92 | 31 2017-02-27 7924.76 | 31 2017-03-07 1168.24 | 31 2017-03-03 1647.95 | 31 2017-03-15 144960.41
32 2017-03-14 1245.58 | 32 2017-04-30 7915.83 | 32 2017-04-25 1163.77 | 32 2017-04-21 1644.84 | 32 2017-03-13 144493.73
33 2017-04-24 1242.67 | 33 2017-04-28 7895.51 | 33 2017-03-14 1162.34 | 33 2017-03-15 1642.29 | 33 2017-04-26 143516.86
34 2017-04-21 1241.65 | 34 2017-02-24 7885.10 | 34 2017-04-21 1158.75 | 34 2017-03-07 1639.02 | 34 2017-03-12 141316.47
35 2017-03-07 1237.90 | 35 2017-03-12 7879.01 | 35 2017-04-24 1149.47 | 35 2017-04-20 1636.73 | 35 2017-03-01 140647.88
36 2017-04-23 1236.21 | 36 2017-04-29 7853.07 | 36 2017-04-23 1148.72 | 36 2017-03-14 1635.02 | 36 2017-03-16 140317.44
37 2017-03-13 1235.25 | 37 2017-03-16 7830.90 | 37 2017-03-13 1146.78 | 37 2017-04-23 1632.31 | 37 2017-04-25 140047.65
38 2017-04-22 1228.52 | 38 2017-03-08 7818.89 | 38 2017-04-22 1145.04 | 38 2017-03-02 1619.84 | 38 2017-03-10 139612.61
39 2017-04-20 1222.57 | 39 2017-03-10 7784.76 | 39 2017-04-12 1144.63 | 39 2017-04-11 1609.58 | 39 2017-03-08 139417.27
40 2017-04-12 1215.72 | 40 2017-02-25 7771.73 | 40 2017-03-01 1143.89 | 40 2017-04-18 1606.84 | 40 2017-03-11 138498.63
41 2017-04-11 1212.77 | 41 2017-03-11 7766.34 | 41 2017-04-11 1143.87 | 41 2017-04-10 1602.69 | 41 2017-04-24 138372.55
42 2017-03-01 1210.05 | 42 2017-02-26 7730.95 | 42 2017-04-20 1140.17 | 42 2017-04-19 1600.18 | 42 2017-03-09 138000.46
43 2017-03-12 1208.74 | 43 2017-03-09 7705.69 | 43 2017-04-10 1137.45 | 43 2017-04-12 1598.78 | 43 2017-04-21 137896.81
44 2017-04-10 1207.78 | 44 2017-04-27 7674.67 | 44 2017-03-12 1131.44 | 44 2017-04-09 1593.42 | 44 2017-02-28 137761.07
45 2017-04-18 1203.58 | 45 2017-02-23 7670.37 | 45 2017-04-09 1127.07 | 45 2017-03-12 1590.72 | 45 2017-04-23 137303.98
46 2017-04-19 1198.69 | 46 2017-03-17 7566.32 | 46 2017-04-18 1125.52 | 46 2017-04-17 1588.76 | 46 2017-04-22 136957.29
47 2017-03-16 1197.99 | 47 2017-01-05 7503.71 | 47 2017-04-07 1123.52 | 47 2017-03-08 1587.84 | 47 2017-02-24 135923.92
48 2017-04-09 1196.69 | 48 2017-02-22 7464.16 | 48 2017-04-19 1123.01 | 48 2017-03-01 1585.51 | 48 2017-04-10 135353.70
49 2017-02-28 1192.35 | 49 2013-11-30 7405.69 | 49 2017-02-28 1120.27 | 49 2017-04-07 1581.65 | 49 2017-04-11 135147.19
50 2017-04-07 1190.16 | 50 2017-04-26 7392.74 | 50 2017-03-08 1118.76 | 50 2017-04-08 1578.55 | 50 2017-04-20 135045.22
Edit: bitcoincharts doesn't have recent data for OKCoin, so I'll replace it with BTC China instead:
Update:
BitStamp USD/BTC BTCChina CNY/BTC Kraken EUR/BTC Kraken CAD/BTC CoinCheck JPY/BTC
----------------------- ----------------------- ----------------------- ----------------------- ------------------------
1 2017-05-19 1927.05 | 1 2017-05-19 11861.26 | 1 2017-05-19 1729.62 | 1 2017-05-19 2635.07 | 1 2017-05-19 230587.32
2 2017-05-11 1831.54 | 2 2017-05-18 11441.16 | 2 2017-05-11 1687.15 | 2 2017-05-11 2520.36 | 2 2017-05-18 218347.98
3 2017-05-18 1826.61 | 3 2017-05-12 10736.34 | 3 2017-05-18 1674.26 | 3 2017-05-18 2515.12 | 3 2017-05-17 215149.73
4 2017-05-14 1782.44 | 4 2017-05-17 10670.26 | 4 2017-05-17 1654.06 | 4 2017-05-17 2469.04 | 4 2017-05-11 214270.36
5 2017-05-17 1775.47 | 5 2017-05-14 10645.29 | 5 2017-05-14 1638.45 | 5 2017-05-14 2466.96 | 5 2017-05-10 213248.26
6 2017-05-12 1749.79 | 6 2017-05-13 10402.71 | 6 2017-05-10 1609.83 | 6 2017-05-12 2414.77 | 6 2017-05-14 211345.04
7 2017-05-10 1748.50 | 7 2017-05-11 10349.87 | 7 2017-05-12 1601.18 | 7 2017-05-16 2394.15 | 7 2017-05-12 210328.57
8 2017-05-15 1723.51 | 8 2017-05-15 10103.00 | 8 2017-05-15 1592.56 | 8 2017-05-10 2389.49 | 8 2017-05-09 208651.98
9 2017-05-09 1710.02 | 9 2017-05-16 10038.18 | 9 2017-05-16 1591.75 | 9 2017-05-15 2340.81 | 9 2017-05-15 207172.62
10 2017-05-16 1706.85 | 10 2017-05-10 9831.33 | 10 2017-05-09 1570.51 | 10 2017-05-13 2338.95 | 10 2017-05-16 206711.42
11 2017-05-13 1689.79 | 11 2017-05-09 9387.59 | 11 2017-05-13 1569.14 | 11 2017-05-09 2337.47 | 11 2017-05-13 198445.15
12 2017-05-08 1591.30 | 12 2017-05-08 8904.89 | 12 2017-05-08 1472.02 | 12 2017-05-08 2160.26 | 12 2017-05-08 192707.12
13 2017-05-05 1554.61 | 13 2017-05-05 8903.71 | 13 2017-05-05 1405.16 | 13 2017-05-07 2094.45 | 13 2017-05-07 178523.07
14 2017-05-06 1541.43 | 14 2017-05-06 8663.09 | 14 2017-05-07 1400.89 | 14 2017-05-06 2091.90 | 14 2017-05-05 178395.17
15 2017-05-04 1540.55 | 15 2017-05-07 8632.74 | 15 2017-05-04 1398.88 | 15 2017-05-04 2086.67 | 15 2017-05-06 176412.74
16 2017-05-07 1540.16 | 16 2017-05-04 8564.18 | 16 2017-05-06 1396.89 | 16 2017-05-05 2055.76 | 16 2017-05-04 175174.31
17 2017-05-03 1478.69 | 17 2017-05-02 8472.35 | 17 2017-05-03 1344.63 | 17 2017-05-03 1997.96 | 17 2017-05-03 167550.72
18 2017-05-02 1438.93 | 18 2017-05-03 8418.20 | 18 2017-05-02 1305.04 | 18 2017-05-02 1935.75 | 18 2017-05-02 165338.23
19 2017-05-01 1385.70 | 19 2017-03-06 8286.72 | 19 2017-05-01 1249.29 | 19 2017-05-01 1892.13 | 19 2017-05-01 157343.84
20 2017-04-30 1334.38 | 20 2017-03-04 8283.43 | 20 2017-04-29 1211.02 | 20 2017-04-29 1816.80 | 20 2017-03-03 148944.55
21 2017-04-29 1330.66 | 21 2017-03-05 8217.06 | 21 2017-04-30 1209.27 | 21 2017-04-30 1812.62 | 21 2017-03-06 148507.83
22 2017-04-28 1321.61 | 22 2017-03-03 8209.15 | 22 2017-04-28 1205.93 | 22 2017-04-27 1812.33 | 22 2017-04-30 148238.81
23 2017-04-27 1320.85 | 23 2017-05-01 8085.73 | 23 2017-03-03 1204.97 | 23 2017-04-28 1805.43 | 23 2017-03-04 147837.60
24 2017-04-26 1293.83 | 24 2017-03-13 8030.17 | 24 2017-03-06 1204.54 | 24 2017-04-26 1739.09 | 24 2017-04-29 147813.09
25 2017-03-06 1275.58 | 25 2017-03-15 8021.06 | 25 2017-04-27 1203.46 | 25 2017-04-25 1703.73 | 25 2017-04-28 147766.56
26 2017-03-03 1274.36 | 26 2017-03-07 8003.82 | 26 2017-03-04 1185.79 | 26 2017-03-04 1696.03 | 26 2017-03-05 147192.86
27 2017-04-25 1266.96 | 27 2017-03-14 7977.60 | 27 2017-03-05 1184.41 | 27 2017-03-06 1692.49 | 27 2017-04-27 146239.89
28 2017-03-04 1259.81 | 28 2017-03-12 7953.35 | 28 2017-04-26 1182.58 | 28 2017-04-24 1683.29 | 28 2017-03-02 145445.49
29 2017-03-05 1258.92 | 29 2017-03-02 7947.45 | 29 2017-03-02 1177.22 | 29 2017-03-05 1681.71 | 29 2017-03-07 145404.48
30 2017-03-15 1251.96 | 30 2017-03-16 7897.05 | 30 2017-03-15 1169.65 | 30 2017-04-22 1652.80 | 30 2017-03-14 144961.22
31 2017-03-02 1246.92 | 31 2017-03-10 7897.05 | 31 2017-03-07 1168.24 | 31 2017-03-03 1647.95 | 31 2017-03-15 144960.41
32 2017-03-14 1245.58 | 32 2017-03-01 7845.50 | 32 2017-04-25 1163.77 | 32 2017-04-21 1644.84 | 32 2017-03-13 144493.73
33 2017-04-24 1242.67 | 33 2017-04-30 7837.86 | 33 2017-03-14 1162.34 | 33 2017-03-15 1642.29 | 33 2017-04-26 143516.86
34 2017-04-21 1241.65 | 34 2017-01-04 7826.58 | 34 2017-04-21 1158.75 | 34 2017-03-07 1639.02 | 34 2017-03-12 141316.47
35 2017-03-07 1237.90 | 35 2017-04-29 7821.76 | 35 2017-04-24 1149.47 | 35 2017-04-20 1636.73 | 35 2017-03-01 140647.88
36 2017-04-23 1236.21 | 36 2017-03-08 7808.13 | 36 2017-04-23 1148.72 | 36 2017-03-14 1635.02 | 36 2017-03-16 140317.44
37 2017-03-13 1235.25 | 37 2017-02-28 7785.47 | 37 2017-03-13 1146.78 | 37 2017-04-23 1632.31 | 37 2017-04-25 140047.65
38 2017-04-22 1228.52 | 38 2017-04-28 7777.79 | 38 2017-04-22 1145.04 | 38 2017-03-02 1619.84 | 38 2017-03-10 139612.61
39 2017-04-20 1222.57 | 39 2017-03-11 7770.19 | 39 2017-04-12 1144.63 | 39 2017-04-11 1609.58 | 39 2017-03-08 139417.27
40 2017-04-12 1215.72 | 40 2017-01-05 7753.95 | 40 2017-03-01 1143.89 | 40 2017-04-18 1606.84 | 40 2017-03-11 138498.63
41 2017-04-11 1212.77 | 41 2017-02-27 7743.04 | 41 2017-04-11 1143.87 | 41 2017-04-10 1602.69 | 41 2017-04-24 138372.55
42 2017-03-01 1210.05 | 42 2017-02-24 7718.45 | 42 2017-04-20 1140.17 | 42 2017-04-19 1600.18 | 42 2017-03-09 138000.46
43 2017-03-12 1208.74 | 43 2017-03-09 7697.16 | 43 2017-04-10 1137.45 | 43 2017-04-12 1598.78 | 43 2017-04-21 137896.81
44 2017-04-10 1207.78 | 44 2017-02-25 7675.95 | 44 2017-03-12 1131.44 | 44 2017-04-09 1593.42 | 44 2017-02-28 137761.07
45 2017-04-18 1203.58 | 45 2017-03-17 7656.80 | 45 2017-04-09 1127.07 | 45 2017-03-12 1590.72 | 45 2017-04-23 137303.98
46 2017-04-19 1198.69 | 46 2017-02-26 7621.53 | 46 2017-04-18 1125.52 | 46 2017-04-17 1588.76 | 46 2017-04-22 136957.29
47 2017-03-16 1197.99 | 47 2017-04-27 7550.31 | 47 2017-04-07 1123.52 | 47 2017-03-08 1587.84 | 47 2017-02-24 135923.92
48 2017-04-09 1196.69 | 48 2017-02-23 7497.25 | 48 2017-04-19 1123.01 | 48 2017-03-01 1585.51 | 48 2017-04-10 135353.70
49 2017-02-28 1192.35 | 49 2017-01-03 7408.50 | 49 2017-02-28 1120.27 | 49 2017-04-07 1581.65 | 49 2017-04-11 135147.19
50 2017-04-07 1190.16 | 50 2013-11-30 7401.49 | 50 2017-03-08 1118.76 | 50 2017-04-08 1578.55 | 50 2017-04-20 135045.22
Edit: for comparison, here's OKCoin and BTC China side by side:
Update:
OKCoin CNY/BTC BTCChina CNY/BTC
----------------------- -----------------------
1 2017-05-18 11337.32 | 1 2017-05-19 11861.26
2 2017-05-14 10731.69 | 2 2017-05-18 11441.16
3 2017-05-12 10636.70 | 3 2017-05-12 10736.34
4 2017-05-17 10571.05 | 4 2017-05-17 10670.26
5 2017-05-11 10436.37 | 5 2017-05-14 10645.29
6 2017-05-13 10330.87 | 6 2017-05-13 10402.71
7 2017-05-15 10121.81 | 7 2017-05-11 10349.87
8 2017-05-10 10103.49 | 8 2017-05-15 10103.00
9 2017-05-16 9876.89 | 9 2017-05-16 10038.18
10 2017-05-09 9693.23 | 10 2017-05-10 9831.33
11 2017-05-05 8991.95 | 11 2017-05-09 9387.59
12 2017-05-08 8962.40 | 12 2017-05-08 8904.89
13 2017-05-06 8722.38 | 13 2017-05-05 8903.71
14 2017-05-04 8709.99 | 14 2017-05-06 8663.09
15 2017-05-07 8681.93 | 15 2017-05-07 8632.74
16 2017-05-02 8634.19 | 16 2017-05-04 8564.18
17 2017-05-03 8574.42 | 17 2017-05-02 8472.35
18 2017-03-06 8326.63 | 18 2017-05-03 8418.20
19 2017-03-04 8292.43 | 19 2017-03-06 8286.72
20 2017-03-03 8271.13 | 20 2017-03-04 8283.43
21 2017-03-05 8252.25 | 21 2017-03-05 8217.06
22 2017-05-01 8197.26 | 22 2017-03-03 8209.15
23 2017-03-02 8098.76 | 23 2017-05-01 8085.73
24 2017-03-07 8012.99 | 24 2017-03-13 8030.17
25 2017-02-28 7969.60 | 25 2017-03-15 8021.06
26 2017-03-15 7966.54 | 26 2017-03-07 8003.82
27 2017-03-01 7966.18 | 27 2017-03-14 7977.60
28 2017-03-13 7961.83 | 28 2017-03-12 7953.35
29 2017-03-14 7941.28 | 29 2017-03-02 7947.45
30 2017-01-04 7930.09 | 30 2017-03-16 7897.05
31 2017-02-27 7924.76 | 31 2017-03-10 7897.05
32 2017-04-30 7915.83 | 32 2017-03-01 7845.50
33 2017-04-28 7895.51 | 33 2017-04-30 7837.86
34 2017-02-24 7885.10 | 34 2017-01-04 7826.58
35 2017-03-12 7879.01 | 35 2017-04-29 7821.76
36 2017-04-29 7853.07 | 36 2017-03-08 7808.13
37 2017-03-16 7830.90 | 37 2017-02-28 7785.47
38 2017-03-08 7818.89 | 38 2017-04-28 7777.79
39 2017-03-10 7784.76 | 39 2017-03-11 7770.19
40 2017-02-25 7771.73 | 40 2017-01-05 7753.95
41 2017-03-11 7766.34 | 41 2017-02-27 7743.04
42 2017-02-26 7730.95 | 42 2017-02-24 7718.45
43 2017-03-09 7705.69 | 43 2017-03-09 7697.16
44 2017-04-27 7674.67 | 44 2017-02-25 7675.95
45 2017-02-23 7670.37 | 45 2017-03-17 7656.80
46 2017-03-17 7566.32 | 46 2017-02-26 7621.53
47 2017-01-05 7503.71 | 47 2017-04-27 7550.31
48 2017-02-22 7464.16 | 48 2017-02-23 7497.25
49 2013-11-30 7405.69 | 49 2017-01-03 7408.50
50 2017-04-26 7392.74 | 50 2013-11-30 7401.49