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| Length | From | To | Datatype | Format | Description and Comments |
|---|---|---|---|---|---|
| 7 | 63 | 69 | N | 9(7) | Short Option Minimum Charge Rate |
| 3 | 70 | 72 | N | 9V9(2) | Risk Maintenance Performance Bond Adjustment Factor -- Members |
| 3 | 73 | 75 | N | 9V9(2) | Risk Maintenance Performance Bond Adjustment Factor -- Hedgers or accounts with a Non-Heightened Risk Profile (NHRP) |
| 3 | 76 | 78 | N | 9V9(2) | Risk Maintenance Performance Bond Adjustment Factor -- Speculators or accounts with a Heightened Risk Profile (HRP) |
| 1 | 79 | 79 | AN | X | Short Option Minimum Calculation Method -- blank or 2 means the original method, based on the sum of the number of short calls and short puts. 1 means the new method, based on the greater of the number or short calls or short puts. |
| 53 | 80 | 132 | - | - | Filler |
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