SILVER OPTION - CONTRACT SPECS

Contract Unit	5,000 troy ounces
Minimum Price Fluctuation	0.001 per troy ounce = $5.00
Price Quotation	U.S. dollars and cents per troy ounce
Trading Hours	Sunday - Friday 6:00 p.m. - 5:00 p.m. (5:00 p.m. - 4:00 p.m. CT) with a 60-minute break each day beginning at 5:00 p.m. (4:00 p.m. CT)
Product Code	CME Globex: SO CME ClearPort: SO Clearing: SO
Listed Contracts	Monthly contracts listed for 6 consecutive months, 3 months of March, May and September and any July and December in the nearest 60 months.
Termination Of Trading	Trading terminates at 12:25 p.m. CT on the 4th last business day of the month prior to the contract month. If the 4th last business day occurs on a Friday or the day before a holiday, trading terminates on the prior business day.
Position Limits	COMEX Position Limits
Exchange Rulebook	COMEX 116
Block Minimum	Block Minimum Thresholds
Price Limit Or Circuit	Price Limits
Vendor Codes	Quote Vendor Symbols Listing
Strike Price Listing Procedures	Strike Price Listing and Exercise Procedures Table
Exercise Style	American
Settlement Method	Deliverable
Underlying	Silver Futures

Contract Unit	5,000 troy ounces
Minimum Price Fluctuation	0.001 per troy ounce = $5.00
Price Quotation	U.S. dollars and cents per troy ounce
Trading Hours	Sunday - Friday 6:00 p.m. - 5:00 p.m. (5:00 p.m. - 4:00 p.m. CT) with a 60-minute break each day beginning at 5:00 p.m. (4:00 p.m. CT)
Product Code	CME Globex: SO1,SO2,SO3,SO4,SO5 CME ClearPort: SO1,SO2,SO3,SO4,SO5 Clearing: SO1,SO2,SO3,SO4,SO5
Listed Contracts	Weekly contracts listed for 4 consecutive weeks. No weekly contract listed if it would expire the business day after the expiration of the monthly option.
Termination Of Trading	Trading terminates on Friday of the contract week. If Friday is not a business day, trading terminates on the first business day prior to Friday. If the business day immediately preceding the Friday is a Silver monthly option expiration, the weekly option shall not be listed.
Position Limits	COMEX Position Limits
Exchange Rulebook	COMEX 1009
Block Minimum	Block Minimum Thresholds
Price Limit Or Circuit	Price Limits
Vendor Codes	Quote Vendor Symbols Listing
Strike Price Listing Procedures	Strike Price Listing and Exercise Procedures Table
Exercise Style	American
Settlement Method	Deliverable
Underlying	Silver Futures

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