Why is the closing price on daily candle charts different than in other charts in TWS?

We provide several different profit and loss (P&L) and price calculations shown below. 

Daily P&L (shown in base currency):  ((Position Now * Current Market Price) - (Position * Price at Reset Time) + (Net Traded Amount) ) * Daily exchange rate to the base currency. This value shows the change in the market value of your open position relative to a reset time (details below). Please note that Daily P&L uses the time zone of the specific instrument, and…

At the end of trading on the future's Last Trade Date, a non-tradable/halted contract remains in the account until the time the exchange is able to calculate a Final Settlement Price. Each exchange details a settlement procedure in their Rule Book which is available on each exchange's web site…

Grab and move the chart within its frame to view different time and price areas of the chart. Repositioning the chart results in a snapshot view of the chart with locked data. The chart must be unlocked to reestablish real-time price updates.

To reposition a chart:…

The volume on TWS charts can be displayed at the bottom of the main chart window, or on the right of the main chart window as a volume histogram. It can not be displayed overlapped to prices in the main chart window.

Additional Information…