A bullet strategy is a combination of the four basic Bullet options (long call, short call, long put, short put) with varying strikes, expiry dates and notionals.
You can create the following bullet strategies in the Single Option page:
Straddle (bstd)
2-Vol Strangle (bstr)
Three-Vol Butterfly (b3vbfl)
Collar (bcol)
Pricing a bullet strategy in SDX Commodities & Energy
When pricing a bullet strategy, note that it is only supported for commodities that support a bullet instrument, as follows:
European Electricity assets
NBP UK Natural Gas