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See Note 5 of Notes to Interim Consolidated Financial Statements included in this Report for a discussion of our pricing of fabricated aluminum, firm-price arrangements and third-party hedging instruments.
−Removed: During the six months ended June 30, 2020 and June 30, 2019, settlements of derivative contracts covering 82.3 million pounds and 100.1 million pounds, respectively, hedged shipments sold on pricing terms that created metal price risk for us.
−Removed: At June 30, 2020, we had derivative contracts with respect to approximately 40.7 million pounds, 29.8 million pounds and 21.0 million pounds to hedge sales to be made in the remainder of 2020, 2021 and 2022, respectively, on pricing terms that create metal price risk for us.
−Removed: Based on the aluminum derivative positions held by us to hedge firm-price customer sales agreements, we estimate that a $0.10 per pound decrease in the London Metal Exchange ("LME") market price of aluminum as of June 30, 2020 and December 31, 2019, with all other variables held constant, would have resulted in an unrealized mark-to-market loss of $9.2 million and $10.4 million, respectively, with corresponding changes to the net fair value of our aluminum derivative positions.
−Removed: Additionally, we estimate that a $0.01 per pound decrease in the Midwest premium for aluminum as of both June 30, 2020 and December 31, 2019, with all other variables held constant, would have resulted in an unrealized mark-to-market loss of $0.9 million with corresponding changes to the net fair value of our aluminum derivative positions.
+Added: During the nine months ended September 30, 2020 and September 30, 2019, settlements of derivative contracts covering 105.8 million pounds and 144.3 million pounds, respectively, hedged shipments sold on pricing terms that created metal price risk for us.
+Added: At September 30, 2020, we had derivative contracts with respect to approximately 19.3 million pounds, 38.8 million pounds and 21.0 million pounds to hedge sales to be made in the remainder of 2020, 2021 and 2022, respectively, on pricing terms that create metal price risk for us.
+Added: Based on the aluminum derivative positions held by us to hedge firm-price customer sales agreements, we estimate that a $0.10 per pound decrease in the London Metal Exchange (“LME”) market price of aluminum as of September 30, 2020 and December 31, 2019, with all other variables held constant, would have resulted in an unrealized mark-to-market loss of $7.9 million and $10.4 million, respectively, with corresponding changes to the net fair value of our aluminum derivative positions.
+Added: Additionally, we estimate that a $0.01 per pound decrease in the Midwest premium for aluminum as of September 30, 2020 and December 31, 2019, with all other variables held constant, would have resulted in an unrealized mark-to-market loss of $0.8 million and $0.9 million, respectively, with corresponding changes to the net fair value of our aluminum derivative positions.
Alloying Metals
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From time to time, we enter into forward contract swaps with third parties to mitigate our risk from fluctuations in the prices of copper and zinc (“Alloying Metals”).
−Removed: As of June 30, 2020, we had forward swap contracts with settlement dates designed to align with the timing of scheduled purchases of Alloying Metals by our manufacturing facilities.
+Added: As of September 30, 2020, we had forward swap contracts with settlement dates designed to align with the timing of scheduled purchases of Alloying Metals by our manufacturing facilities.
See Note 5 of Notes to Interim Consolidated Financial Statements included in this Report for additional information relating to these hedges.
−Removed: We estimate that a $0.10 per pound decrease in the LME market price of zinc as of June 30, 2020 and December 31, 2019, with all other variables held constant, would have resulted in an unrealized mark-to-market loss of $0.4 million and $1.0 million, respectively, with corresponding changes to the net fair value of our Alloying Metals hedges.
−Removed: We estimate that a $0.10 per pound decrease in the COMEX market price of copper, with all other variables held constant, would have resulted in an unrealized mark-to-market loss of $0.4 million and $0.6 million as of June 30, 2020 and December 31, 2019, respectively, with corresponding changes to the net fair value of our Alloying Metals hedges.
+Added: We estimate that a $0.10 per pound decrease in the LME market price of zinc as of September 30, 2020 and December 31, 2019, with all other variables held constant, would have resulted in an unrealized mark-to-market loss of $0.4 million and $1.0 million, respectively, with corresponding changes to the net fair value of our Alloying Metals hedges.
+Added: We estimate that a $0.10 per pound decrease in the COMEX market price of copper, with all other variables held constant, would have resulted in an unrealized mark-to-market loss of $0.3 million and $0.6 million as of September 30, 2020 and December 31, 2019, respectively, with corresponding changes to the net fair value of our Alloying Metals hedges.
We are exposed to risk of fluctuating prices for natural gas and electricity.
We, from time to time, in the ordinary course of business, enter into hedging transactions and/or physical delivery commitments with firm prices with third parties to mitigate our risk from fluctuations in natural gas and electricity prices.
−Removed: See Note 5 of Notes to Interim Consolidated Financial Statements included in this Report for information regarding the volume of our derivative and physical delivery commitments with energy companies in place to cover our exposure to fluctuations in natural gas and electricity prices as of June 30, 2020.
−Removed: We estimate that a $1.00 per mmbtu decrease in natural gas prices would have resulted in an unrealized mark-to-market loss of $ 7.5 million and $ 8.6 million as of June 30, 2020 and December 31, 2019, respectively, with corresponding changes to the net fair value of our natural gas derivative positions.
−Removed: We estimate that a $5.00 per Mwh decrease in electricity prices as of June 30, 2020 and December 31, 2019 would have resulted in an unrealized mark-to-market loss of $ 2.9 million and $ 2.4 million, respectively, with corresponding changes to the net fair value of our electricity derivative positions.
+Added: See Note 5 of Notes to Interim Consolidated Financial Statements included in this Report for information regarding the volume of our derivative and physical delivery commitments with energy companies in place to cover our exposure to fluctuations in natural gas and electricity prices as of September 30, 2020.
+Added: We estimate that a $1.00 per mmbtu decrease in natural gas prices would have resulted in an unrealized mark-to-market loss of $7.1 million and $8.6 million as of September 30, 2020 and December 31, 2019, respectively, with corresponding changes to the net fair value of our natural gas derivative positions.
+Added: We estimate that a $5.00 per Mwh decrease in electricity prices as of September 30, 2020 and December 31, 2019 would have resulted in an unrealized mark‑to‑market loss of $2.6 million and $2.4 million, respectively, with corresponding changes to the net fair value of our electricity derivative positions.
Foreign Currency
See Note 5 and Note 8 of Notes to Consolidated Financial Statements included in this Report for information relating to foreign currency forward contracts.
−Removed: As of June 30, 2020, we hedged our equipment purchase transactions denominated in euros using fair value contracts with settlement dates through May 2022.
−Removed: We estimate that a 10% decrease in the June 30, 2020 exchange rate of euros to US dollars would have resulted in an unrealized mark-to-market loss of $0.1 million with corresponding changes to the net fair value of our foreign currency derivative positions.
+Added: As of September 30, 2020, we hedged our equipment purchase transactions denominated in euros using fair value contracts with settlement dates through May 2022.
+Added: We estimate that a 10% decrease in the September 30, 2020 exchange rate of euros to US dollars would have resulted in an immaterial unrealized mark-to-market loss with corresponding changes to the net fair value of our foreign currency derivative positions.
As of December 31, 2019, we had an immaterial, non-designated hedge of a euro denominated firm-commitment to purchase equipment that settled in January 2020.
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.