Update, Jun 28, ng: Now it's possible to shift the indicator one period right, so, for example, it will show yesterdays rather than today's high/low.
The very simple indicator, which shows high and low lines of the specified timeframe, a day by default.
Can be used as an example of the indicator which uses the data of other timeframe.
Download the indicator:
The indicator was revised and updated
See also a version which can show O/C prices here: viewtopic.php?f=17&t=607&p=2933#p2933