Renko Chart in Metatrader 4 can be setup as an Offline chart. Step by step instructions: 1) Download the Renko EA from the link at the top of this PDF and place the EA file in your broker Metatrader "Experts" directory. 2) Restart Metatrader application. 3) Open any 1min chart. 4) Press and hold "Home" key on keyboard to get 1m history data of currency pair as much as possible.
5) Drag the Expert Advisor on the chart, select "Allow live trading" and enable Expert Advisors. Also enable "Allow DLL imports" and "Allow import of external experts". 6) After some time you will see text "RenkoLiveChart" on the left upper chart corner and a smiley face in the right upper chart corner.
7) After that go to Menu->File->Open Offline and find your currency pair chart with non standard 2 minutes (M2) time frame. Then open this chart. You will see the Renko chart:
You can now configure the chart to your own preference, the main one being box size as previously mentioned. The box size is simply the number of pips a box has to fill to complete, so if you had a box size of 3 obviously this