Mercury Helio Harmonics indicator represent the tropical zodiac energy forces that develop through the course of Mercury in the heliocentric zodiac wheel. The waves indicates the strength of cardinal energy (initiator) and it's harmonics. In Financial Astrology, Mercury represents the commerce, negotiations, transactions and trading, is very important cycle for trading.
Note: The Mercury Helio Harmonics indicator is based on an ephemeris array that covers years 2010 to 2030, prior or after this years the data is not available, this daily ephemeris are based on UTC time so in order to align properly with the price bars times you should set UTC as your chart timezone.