Try
http://alt19.com if you need Cryptsy historical trade data on a large number of altcoins in CSV format (data at 15 minute, 1 hour, and 1 day).
e.g. 1 day, BQC/BTC, Cryptsy:
20150508, 180000, 0.00000125, 0.00000138, 0.00000124, 0.05506105
20150509, 180000, 0.00000128, 0.00000136, 0.00000126, 0.03320607
20150510, 180000, 0.00000127, 0.00000133, 0.00000125, 0.0522329
20150511, 180000, 0.00000127, 0.00000138, 0.00000125, 0.13315253
20150512, 180000, 0.00000140, 0.00000160, 0.00000127, 0.17029604
20150513, 180000, 0.00000151, 0.00000180, 0.00000130, 0.22940228
20150514, 180000, 0.00000160, 0.00000180, 0.00000140, 0.1504374
20150515, 180000, 0.00000155, 0.00000199, 0.00000150, 0.83680557
20150516, 180000, 0.00000196, 0.00000218, 0.00000156, 0.28853928
20150517, 180000, 0.00000241, 0.00000241, 0.00000165, 1.57403372
20150518, 180000, 0.00000241, 0.00000257, 0.00000194, 0.39714345
20150519, 180000, 0.00000320, 0.00000349, 0.00000241, 0.52942212
20150520, 180000, 0.00000289, 0.00000400, 0.00000256, 0.89171049
20150521, 180000, 0.00000309, 0.00000380, 0.00000264, 0.6597294
20150522, 180000, 0.00000407, 0.00000500, 0.00000309, 1.34708675
20150523, 180000, 0.00000431, 0.00000500, 0.00000406, 1.00817292
20150524, 180000, 0.00000364, 0.00000549, 0.00000364, 2.29829457
20150525, 180000, 0.00000371, 0.00000450, 0.00000356, 1.00669335
20150526, 180000, 0.00000320, 0.00000401, 0.00000308, 0.77603038
20150527, 180000, 0.00000405, 0.00000417, 0.00000320, 1.03048213
20150528, 180000, 0.00000420, 0.00000428, 0.00000405, 0.18776049
20150529, 180000, 0.00000420, 0.00000426, 0.00000420, 1.43236894
20150530, 180000, 0.00000422, 0.00000422, 0.00000420, 0.11247985
20150531, 180000, 0.00000423, 0.00000423, 0.00000420, 0.1332123
20150601, 180000, 0.00000422, 0.00000423, 0.00000420, 0.47410763
20150602, 180000, 0.00000420, 0.00000422, 0.00000420, 0.33744117
20150603, 180000, 0.00000425, 0.00000426, 0.00000420, 1.22127934
20150604, 180000, 0.00000420, 0.00000425, 0.00000420, 0.17281934
20150605, 180000, 0.00000420, 0.00000434, 0.00000420, 0.77219015
20150606, 180000, 0.00000498, 0.00000500, 0.00000420, 0.51666079
20150607, 180000, 0.00000430, 0.00000498, 0.00000423, 0.08181397
20150608, 180000, 0.00000468, 0.00000471, 0.00000421, 0.07840399
20150609, 180000, 0.00000447, 0.00000468, 0.00000421, 0.11376901
20150610, 180000, 0.00000461, 0.00000486, 0.00000421, 0.05814414
20150611, 180000, 0.00000500, 0.00000514, 0.00000430, 0.68122115
20150612, 180000, 0.00000464, 0.00000700, 0.00000421, 0.69947387
20150613, 180000, 0.00000523, 0.00000605, 0.00000421, 0.64621008
20150614, 180000, 0.00000551, 0.00000590, 0.00000421, 0.5426118
20150615, 180000, 0.00000478, 0.00000597, 0.00000451, 0.24563105
20150616, 180000, 0.00000506, 0.00000512, 0.00000451, 0.11142835
20150617, 180000, 0.00000890, 0.00000901, 0.00000451, 3.31064388
20150618, 180000, 0.00000815, 0.00000890, 0.00000815, 0.24997264
20150619, 180000, 0.00000943, 0.00000943, 0.00000815, 0.13572202
20150620, 180000, 0.00000847, 0.00000943, 0.00000841, 0.01714491
20150621, 180000, 0.00000899, 0.00000907, 0.00000840, 0.05333188
20150622, 180000, 0.00000897, 0.00000899, 0.00000840, 0.00445289
20150623, 180000, 0.00000699, 0.00000897, 0.00000658, 1.09020586
20150624, 180000, 0.00000771, 0.00000787, 0.00000662, 0.02530598
20150625, 180000, 0.00000670, 0.00000771, 0.00000655, 0.21564909
20150626, 180000, 0.00000632, 0.00000670, 0.00000605, 0.05343578
20150627, 180000, 0.00000605, 0.00000632, 0.00000605, 0.0157654
20150629, 180000, 0.00000555, 0.00000631, 0.00000546, 0.1489528
20150630, 180000, 0.00000622, 0.00000761, 0.00000554, 0.18886656
20150701, 180000, 0.00000753, 0.00000756, 0.00000657, 0.01611276
20150702, 180000, 0.00000700, 0.00000753, 0.00000656, 0.03780818
20150703, 180000, 0.00000543, 0.00000700, 0.00000521, 0.01175152
20150704, 180000, 0.00000551, 0.00000630, 0.00000543, 0.22654324
20150705, 180000, 0.00000615, 0.00000629, 0.00000551, 0.04981515
20150706, 180000, 0.00000631, 0.00000637, 0.00000615, 0.02687836
20150707, 180000, 0.00000660, 0.00000753, 0.00000630, 0.27880945
20150708, 180000, 0.00000501, 0.00000661, 0.00000501, 0.12587063
20150709, 180000, 0.00000599, 0.00000718, 0.00000500, 0.04580118
20150710, 180000, 0.00000597, 0.00000760, 0.00000562, 0.19017477
20150711, 180000, 0.00000605, 0.00000698, 0.00000551, 0.04739092
20150712, 180000, 0.00000639, 0.00000647, 0.00000604, 0.00511957
20150713, 180000, 0.00000554, 0.00000639, 0.00000553, 0.04491929
20150714, 180000, 0.00000596, 0.00000631, 0.00000550, 0.09901177
20150715, 180000, 0.00000569, 0.00000596, 0.00000526, 0.10747204
20150716, 180000, 0.00000432, 0.00000569, 0.00000432, 0.07582349
20150717, 180000, 0.00000439, 0.00000439, 0.00000432, 0.00252958
20150718, 180000, 0.00000437, 0.00000439, 0.00000437, 0.00165526
If you need a tool to see trader movements from one altcoin to another:
http://alt19.com/19/cryptocurrency.php