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==Understanding Data Playback==
Data Playback is a useful tool for traders wishing to stream data step-by-step data backward and forward in order to see how their strategy would behave in real-time. It allows playback of market data with the specified speed and resolution.
Playback in MultiCharts has a number of distinctive features making it a unique simulation tool:
#* Select the resolution from the '''Playback Resolution''' list [[File:DP_playback resolution_box.PNG]] in Data Playback Toolbar; or:
#* In the main menu select '''Format''', then point to '''Data Playback''', '''Playback Resolution''' and select the resolution.
# Set playback speed using the '''Playback Speed''' slider [[File:DP_playback_speed_sldr.PNG]] on the '''Data Playback''' toolbar. <div style="background-color: #E3FBE5;"> '''Note''': You can also configure the Playback Speed from the context menu by right clicking on the chart and going to ‘Playback Speed’. </div>
# Start Data Playback by one of the following methods:
#* Click the '''Pause/Resume Playback''' button [[File:DP_pause_resume_bt.PNG]] on the '''Data Playback''' toolbar; or:
Only the following playback resolutions are available on the chart with multiple data series, in market scanner and in the Global mode:
* Tick by Tick;* Second by Second;
* Minute by Minute;
* Day by Day.
Data series, indicators and strategies markers will disappear at the right side of the playback starting point. They will appear once Data Playback starts.<br>
All the drawings remain in their original place. They can disappear when the starting point is set. When the playback reaches the place where the drawing was put, the drawing appears. <br>
If a study require requires more data for calculation than there are at the starting point, the calculation will start when the playback reaches the required bars number.<br>
The real-time data is downloaded and collected while Data Playback is active.<br>
When the playback reaches its end, real-time data is displayed on the chart</div>
==Skip ticks with identical price==
'''Skip ticks with identical price''' option in Data Playback allows MultiCharts to skip the successive ticks with identical prices during playback.
E.g., there are 100 ticks with identical prices going one by one. If '''Skip ticks with identical price''' is checked, these ticks will be played only once, not 100 times. If '''Skip ticks with identical price''' is disabled, all 100 ticks will be taken into account and played during playback.
Enabling/disabling the '''Skip ticks with identical price''' option:
* In the main menu select '''Format''', then point to '''Data Playback''' and click '''Skip Ticks With Identical Price''' in the list.
* Click on the '''Skip Ticks with Identical Price''' button [[File:DP_SIT_ToolBar.png|30px]] from the Data Playback toolbar.
<div style="background-color: #E3FBE5;">Note: '''Skip ticks with identical price''' option is enabled by default. The state of this option can differ for separate charts.</div><br>
[[Category:Help]]
