Summary

Ichimoku charts are built around candlestick charts with the following five lines added-
1. Tenkan-sen

(Highest High + Lowest Low)/2, for the past 9 periods
2. Kijun-Sen
(Highest High + Lowest Low)/2, for the past 26 periods
3. Senkou Span A
(Tenkan-Sen + Kijun-Sen)/2, plotted 26 periods ahead
4. Senkou Span B
(Highest High + Lowest Low)/2, for the past 52 periods, plotted 26 periods ahead
5. Chikou Span
Today’s closing price plotted 26 periods behind

Mid-prices are used for all lines except Chikou Span.
The three key time periods are 9, 26, 52.
The Cloud is the area between Senkou Span A and Senkou Span B.