Underlying security's SecurityIDSource.
Valid values: see SecurityIDSource (22) field
| Code | Meaning |
|---|---|
| 1 | CUSIP |
| 2 | SEDOL |
| 3 | QUIK |
| 4 | ISIN number |
| 5 | RIC code |
| 6 | ISO Currency Code |
| 7 | ISO Country Code |
| 8 | Exchange Symbol |
| 9 | Consolidated Tape Association (CTA) Symbol (SIAC CTS/CQS line format) |
| A | Bloomberg Symbol |
| B | Wertpapier |
| C | Dutch |
| D | Valoren |
| E | Sicovam |
| F | Belgian |
| G | "Common" (Clearstream and Euroclear) |
| H | Clearing House / Clearing Organization |
| I | ISDA/FpML Product Specification |
| J | Options Price Reporting Authority |