CoachThe notional of a position marked at price is (times the contract multiplier, for a derivative). For a book, the gross exposure is and the net exposure is .
Examples
Example 7.3 (A long–short book)
Long $300 million and short $200 million on $100 million of equity: gross $500 million, or the equity, the measure of how much can go wrong; net $100 million, or , the measure of how much market direction is being taken. Limits are set on both, and on each position separately.