Advance/Decline Line | Emini Futures Alerts Trading Room

Advance/Decline Line 

Each day’s declining issues (shares with a lower close than the previous day) are subtracted from that day’s advancing issues (shares with a higher close than the previous day). The difference is added to (subtracted from if negative) a running sum. Failure of this line to confirm a new high is a sign of weakness. Failure of this line to confirm a new low is a sign of strength.