The short volume % is similar for all companies in the source file. Here’re some examples.

20171228|ZAAP|97844|0|140782|O
20171228|ZAPNF|200|0|200|O
20171228|ZAZA|4540|0|6954|O
20171228|ZDPY|26804|0|76120|O
20171228|ZENO|110456|0|389641|O
20171228|ZEST|3130|0|10320|O
20171228|ZIJMF|8000|0|8000|O
20171228|ZIMCF|6000|0|6000|O
20171228|ZIVO|28950|0|50219|O
20171228|ZLDAF|101500|0|201500|O
20171228|ZLNDY|921|0|1736|O
20171228|ZMSPF|8570|0|73570|O
20171228|ZMTP|2595|0|4611|O
20171228|ZNGY|4128011|0|8074848|O
20171228|ZNKKY|36|0|36|O
20171228|ZNNC|10000|0|209225|O
20171228|ZNNMF|11611|0|35093|O
20171228|ZNRG|37627|0|175898|O
20171228|ZONX|5000000|0|5664086|O
20171228|ZPAS|20100|0|75590|O
20171228|ZPTAF|9495|0|242600|O
20171228|ZTCOY|1200|0|1322|O
20171228|ZURVY|9663|0|41685|O
20171228|ZYXI|1215|0|6369|O
20171228|ZZHGF|3000|0|3000|O
20171228|ZZLL|3000|0|4000|O
20171228|ZZZOF|40640|0|124523|O

Does it mean every company in the source file is under attack by naked shorts or IPIX just happens to be the unfortunate one?