TAPOs contract specifications

LME Aluminium Alloy

Traded Average Price Options (TAPOs) are exchange traded and cleared contracts which settle financially based on the average of the daily LME Official Settlement Prices for the relevant month.

Contract code  AA 
Underlying metal  A380.1, 226 or AD12.1 aluminium alloy 
Lot size  20 tonnes 
Contract months  Monthly out to 27 months 
Underlying contract  LME Aluminium Alloy futures - the average of the Cash prompts for each business day of the contract month  
Price Quotation US dollars per tonne
Clearable currencies  US dollars 
Option style  Asian 
Trading deadlines  The business day preceding the declaration day of the relevant prompt month:
Last trading time - by 18.00
Last matching and registration - by 18.15 
Expiry date/time  Automatic declaration of in-the-money TAPOs at 15.00 on the last business day of the TAPO month 
Minimum price fluctuation (tick size)  $0.01 per tonne 
Strike price interval  $1 
Exercise of option  LME Clear auto exercise TAPOs. Exercise will result in two futures contracts, one at the strike price and the other at the Monthly Average Settlement Price (MASP). This has the same economic effect as cash settlement two business days after the last trading day of the contract month.
Settlement type  Financial 
Trading venues Ring, inter-office telephone and LMEselect (as a delta hedged option only)


LME Aluminium alloy contract specifications

This is a summary of the contract specifications. For full contract specification details, please refer to the LME Rulebook and for other information, please refer to our disclaimer page. 

Note that all contracts are subject to the LME’s rules and regulations and LME Clear span margining.