QPR-11935 -- Make sure legInitialNotional and initialPrice are valid before using.

Author: NathanielVolfango

OREData/ored/portfolio/trade.cpp

@@ -248,8 +248,11 @@ void Trade::setLegBasedAdditionalData(const Size i, Size resultLegId) const {
             additionalData_["originalNotional[" + legID + "]"] = originalNotional;
             if (auto eqc = boost::dynamic_pointer_cast<QuantExt::EquityCoupon>(coupon)) {
                 Real quantity = eqc->quantity();
-                if (quantity == Null<Real>())
-                    quantity = eqc->legInitialNotional() / eqc->initialPrice();
+                if (quantity == Null<Real>()) {
+                    if (eqc->legInitialNotional() != Null<Real>() && eqc->initialPrice() != Null<Real>()) {
+                        quantity = eqc->legInitialNotional() / eqc->initialPrice();
+                    }
+                }
                 additionalData_["quantity[" + legID + "]"] = quantity;
             }
         }