CME Silver Futures and Options on Futures (SI) offered by the CME exchange are available for trading at IBKR by entering the symbol SI into one of our trading platforms. After entering the symbol SI, select Futures or Options on Futures and choose the multiplier 5,000. In Client Portal, after entering the symbol SI, select Futures or Futures Options under COMEX Silver Index - COMEX, select Last Trading Day and then select trading class SI.
| Trading Class | Listed Contracts | Termination of Trading | |
| American Options | SO | Monthly contracts listed for 6 consecutive months, 3 months of March, May and September and any July and December in the nearest 60 months. | 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. |
| Weekly Monday Option | M1S, M2S, M3S, M4S, M5S | Weekly contracts listed for 4 consecutive weeks. No weekly contract listed with the same expiry day as the monthly option. | Trading terminates on Monday of the contract week. |
| Weekly Option | SO1, SO2, SO3, SO4, SO5 | Weekly contracts listed for 4 consecutive weeks. No weekly contract listed with the same expiry day as the monthly option. | Trading terminates on Friday of the contract week. If Friday is not a a business day, trading terminates on the business day prior to Friday. |
| Weekly Wednesday Options | W1S, W2S, W3S, W4S, W5S | Weekly contracts listed for 4 consecutive weeks. No weekly contract listed with the same expiry day as the monthly option. | Trading terminates on Wednesday of the contract week. |
You must have trading permissions for United States Futures or United Stated Future Options, and to see live data you must subscribe to the US Securities Snapshot and Futures Value Bundle or COMEX Real-Time Top of Book market data in Client Portal.
Additional Information