5,000 fine troy ounces

In fulfillment of each contract, the seller must deliver 5,000 troy ounces (±6%) of refined silver, assaying not less than .999 fineness, in cast bars weighing 1,000 or 1,100 troy ounces each and bearing a serial number and identifying stamp of a refiner approved and listed by the Exchange. A list of approved refiners and assayers is available from the Exchange upon request.

Price changes for outright transactions, including EFPs , are in multiples of one-half cent (0.5¢ or $0.005) per troy ounce, equivalent to $25.00 per contract. For straddle or spread transactions, as well as the determination of settlement prices, the price changes are registered in multiples of one-tenth of a cent (0.10¢ or $0.001) per troy ounce, equivalent to $5.00 per contract. A fluctuation of one cent (1¢ or $0.01) is equivalent to $50.00 per contract.

U.S. cents per troy ounce.

Trading is conducted for delivery during the current calendar month; the next two calendar months; any January, March, May, and September falling within a 23-month period; and any July and December falling within a 60-month period beginning with the current month.

Trading terminates at the close of business on the third to last business day of the maturing delivery month.

Consult Exchange.

Open outcry trading is conducted from 8:25 AM until 1:25 PM.

After-hours electronic trading begins at 2:00 PM on Mondays through Fridays and concludes at 8:00 AM the following day, with the exception of Friday's session which concludes at 4:30 PM that same day. On Sundays, the session begins at 7:00 PM and concludes at 8:00 AM the following day.

Ticker = SI

Initial price limit, based upon the preceding day's settlement price, is $1.50. Two minutes after either of the two most active months trades at the limit, trades in all months of futures and options will cease for a 15-minute period. Trading will also cease if either of the two active months is bid at the upper limit or offered at the lower limit for two minutes without trading. Trading will not cease if the limit is reached during the final 20 minutes of a day's trading. If the limit is reached during the final half hour of trading, trading will resume no later than 10 minutes before the normal closing time. When trading resumes after a cessation of trading, the price limits will be expanded by increments of 100%.