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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:
# Set the starting point of Data Playback by one of the following methods:
#* Click on the '''Jump To Bar''' button http[[File://www.multicharts.com/img/wiki/playback/DP_jump_button.PNG ]] on the '''Data Playback Toolbar''' and click on the chart; or:#* Set the date and time in the '''Playback Start Date/Time''' box http[[File://www.multicharts.com/img/wiki/playback/DP_start_date_time_box.PNG ]] and click the '''Jump To Time''' button http[[File://www.multicharts.com/img/wiki/playback/DP_jump_to_time_btn.PNG ]] on the '''Data Playback''' Toolbar.
# Set the Playback Resolution (As is – bar per bar, tick by tick etc.) by one of the following methods:
#* Select the resolution from the '''Playback Resolution''' list http[[File://www.multicharts.com/img/wiki/playback/DP_playback%20resolution_boxresolution_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 http[[File://www.multicharts.com/img/wiki/playback/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 http[[File://www.multicharts.com/img/wiki/playback/DP_pause_resume_bt.PNG ]] on the '''Data Playback''' toolbar; or:
#* In the main menu select '''Format''', then point to '''Data Playback''' and click '''Play'''.
To terminate Data Playback:
* Click the '''Go To Realtime''' button http[[File://www.multicharts.com/img/wiki/playback/DP_go_to_realtime_btn.PNG ]] on '''Data Playback''' toolbar; or:
* In the main menu select '''Format''', then point to '''Data Playback''' and choose '''Go To Realtime'''
'''Playback Start Date/Time''' box allows choosing the starting point for Data Playback in the market scanner.
To set starting time and date, input the necessary date and time into '''Playback Start Date/Time''' box http[[File://www.multicharts.com/img/wiki/playback/DP_start_date_time_box.PNG ]] and click the '''Jump To Date''' button DP_jump_to_time_btn on the '''Data Playback''' toolbar. When the starting point is set, the playback is set to '''Pause''' mode by default.
<div style="background-color: #E3FBE5;">Note: Not all Data Playback resolutions are available for market scanner (See [[#Data Playback Limitations|Data Playback Limitations]]) </div>
Set the step size by one of the following methods:
* Click the arrow near the '''Step Backward''' http[[File://www.multicharts.com/img/wiki/playback/DP_step_backward_btn.PNG ]] or '''Forward Playback''' button http[[File://www.multicharts.com/img/wiki/playback/DP_forward_playback_btn.PNG ]] and then select the step size from the list; or:
* In the main menu select '''Format''', then point to '''Data Playback''', point to '''Step Forward/ Step Backward''' and choose the step size.
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:MultiChartsHelp]]
