Institutional investors have developed a number of methods for hedging risks. Hedging is protecting assets against loss by trading in separate instruments in a way that offsets losses. One of the most effective hedging tools used by investors are futures contracts.
Gap Fill Statistics
Gap fills are one of the highest probability events in the futures market. Not all types of gaps fill the same depending on the day of the week though. These gaps fill stats are rolling and will give you a up to date expectation of what has happened in the recent past.
All major trading instruments trade in dollars. Rolling correlations are used to predict which instruments are likely to move together. A positive correlation means that the values of two variables move in the same direction, a negative correlation means they move in opposite directions.