ION GEOPHYSICAL CORP's ticker is and the CUSIP is 462044907. A total of 2 filers reported holding ION GEOPHYSICAL CORP in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.0%.
Other shareholders
Name | Shares | Value | Weighting ↓ |
---|---|---|---|
SIMPLEX TRADING, LLC | 15 | $23,000 | 0.00% |
CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |