Zoom in, Zoom Out and Step by Step Buttons in MetaTrader 5 Charts
Zoom In
This MetaTrader 5 option is located on the charts menu within the MT5 Platform. This MT5 option is used to zoom in the charts as shown below, some traders may choose to magnify a chart and trade when the charts are zoomed in depending on the preference of a trader.
Short Cut Key (+)
Zoom in the candlesticks on the MT5 Software
Zoom Out
This MT5 option is located within the menu as illustrated below: This MT5 option is used to zoom out charts & is used by traders who prefer to trade the chart using minified charts according to their preference. This MT5 option is illustrated below.
Short Cut Key (-)
Zoom out the candlesticks in MT5
Step by Step
This MT5 option is used to back test systems by moving the charts one candle at a time and then interpreting when to buy & when to sell a based on the system being back tested. To know more about this button, Read the tutorial: Back testing a Trading System using MT5 Step by Step Button - its shortcut is key is 'F12'
Step by Step button for moving Charts One Candlestick at a Time