In this index, 3 federal civil lawsuits name a party recorded as Index Exchange Inc, most often as a plaintiff (2 of 3). These may be different parties who share the name; records here are grouped by name only. These cases are most often Antitrust and Federal Tax / Statutory Actions matters, filed in 2025, most frequently in District Court, S.D. New York. The most common cause of action is Antitrust. A frequent opposing party is Google LLC.