| Reject Message | Description |
| Order exceeds average daily volume control | Order violates the ADV control in place for account or group |
| System unable to price security | SIM received a 0 Bid/Ask for symbol |
| Account/Group is in Close/Cancel Only status | Account/Group is in Close/Cancel Only status |
| Account is not permissioned for Covered Call Writing | Account is not permissioned for Covered Call Writing |
| Insufficient Buying Power | Order violates credit control (Not enough BP/initial margin) |
| Account Disabled | Account/Group is disabled |
| Duplicate Order | Received a duplicate order within time threshold |
| Symbol Not on Easy to Borrow List | Stock is ETB |
| Order violates gross margin | Order violates PM Gross Margin |
| Gross Margin Unavailable | Risk server did not return PM Gross Margin |
| Invalid order quantity | Order qty is not valid |
| Invalid trading session | Order is outside of enabled trading periods |
| Last Sale Price Unavailable | QS did not return last sale price |
| Order violates Layering control | Order violates Layering control |
| Account not permissioned for Long Option orders | Account is not permissioned for Long Option orders |
| Order exceeds Max Dollar Value | Order exceeds Max Dollar Value |
| Order exceeds Max Open Contracts | Order exceeds Max Open Contracts |
| Order exceeds Max Open Orders | Order exceeds Max Open Orders |
| Order exceeds Max Open Shares | Order exceeds Max Open Shares |
| Order exceeds Max Position | Order exceeds Max Position |
| Exceeds Max Stock Price | Stock price exceeds max |
| Account has exceeded max realized loss | Account has exceeded max realized loss |
| Order exceeds Max Shares | Order exceeds Max Shares |
| Account has exceeded max total loss | Account has exceeded max total loss |
| Stock price is below minimum | Stock price is below minimum |
| No routing code provided for destination | No routing code for destination provided |
| No simultaneous open buy/sell orders for same option | No simultaneous open buy/sell orders for same option |
| Order cannot be canceled | Order cannot be canceled |
| Cancel request violates NYSE rules | Cancel request violates NYSE rules |
| Cancel request violates NYSE rules | Cancel request violates NYSE rules |
| Option Order Mis-Marked | Option Order Mis-Marked |
| Order price is outside max variation | Order price is outside max variation |
| Quote Unavailable | No bid/ask available |
| Symbol is on restricted symbol list | Symbol is on restricted symbol list |
| Account is not permissioned for specified security type | Account is not permissioned for specified security type |
| Account not allowed to Sell Naked Call | Account not allowed to Sell Naked Call |
| Account not allowed to Sell Naked Put | Account not allowed to Sell Naked Put |
| Account not allowed to Sell Short | Account not allowed to Sell Short |
| Order cannot be split due to Open/Close | Order cannot be split due to Open/Close |
| Order cannot be split due to Long/Short marking | Order cannot be split due to Long/Short marking |
| Order violates spoofing control | Order violates spoofing control |
| Order violates sub-penny rule | Order violates sup-penny rule- which means it is a fraction of a cent |
| Order violates tick size rule | Order violates tick size rule |
| Message to execution venue cannot be sent | Message to execution venue cannot be sent |
| Unknown Account | Account does not exist in TE |
| Unknown Client ID | Group does not exist in TE |
| Order cannot be found | Order cannot be found |
| Spread cannot be found | Spread cannot be found |
| Wash Trade | Order would wash |
| Invalid Cancel/Replace | No field has changed |
| Unsupported Order Type | Unsupported Order Type |