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| Trading Unit |
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| One COMEX Division aluminum futures contract. |
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| Price Quotation |
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| U.S. cents per pound. |
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| Trading Hours (All times are New York time) |
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| Open outcry trading is conducted from 7:50 AM until 1:15 PM. |
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| Trading Months |
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| 21 consecutive months. |
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| Minimum Price Fluctuation |
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| $0.0005 (0.05¢) per pound ($22.00 per contract). |
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| Maximum Daily Price Fluctuation |
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| No price limits. |
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| Last Trading Day |
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| Expiration occurs on the fourth business day prior to the underlying futures delivery month. If the expiration day falls on a Friday or immediately prior to an Exchange holiday, expiration will occur on the previous business day. |
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| Exercise of Options |
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| Until one hour after the contract market close, New York time, on any business day for which the options contract is listed for trading. On expiration day, the buyer has until 4:30 PM, New York time, to exercise an options contract. |
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| Strike Prices |
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| A minimum of 13 strike prices, in increments of $0.01 (1¢) per pound apart for strike prices below $0.40 (40¢), $0.02 (2¢) per pound apart for strike prices between $0.40 (40¢) and $1.20, and $0.05 (5¢) per pound apart for strike prices above $1.20. |
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| Margin Requirements |
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| Margins are required for open short options positions. The margin requirement for an options purchaser will never exceed the premium paid. |
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| Trading Symbol |
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| OA |
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