A very brief article in Sydney's Daily telegraph says:

  • PM Tony Abbott is believed to be planning to axe up to six ministers
  • Joe Hockey is unlikely to be among them
  • Speculation growing in the Coalition that a leadership challenge from Malcolm Turnbull is in the planning

Article is here (it may be gated, but I got it easily enough)

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It excludes Treasurer Hockey from speculation he is going to be axed. So interest from the FX market is likely to be minimal.