Use of OpenAPI

Historical Prices

• Can I store and use OpenAPI market data for my own algo or AI/backtesting?
• How can I get historical prices?
• How can I get historical daily closing prices?
• What horizons can I use?
• How can I get unadjusted historical prices?

See all 6 articles

Event Notification

• How do I monitor partial fills?
• What determines the order of received event?
• How long are events cached? 
• How do I get updates on an order or position?

Streaming

• How can I avoid the error: "Subscription Key (Streaming Session, Reference Id) already in use"?
• How many concurrent streaming connection can I create?
• How do I extend a streaming session to last longer than 20 minutes?

Portfolio & Historical Reports

• How can I calculate account performance myself?
• How can I change netting mode?
• How can I get P/L values on my simulation account?
• Why are historical reports unavailable on the simulation environment?
• How can I get the historic performance of my account?

See all 8 articles

Instruments

• Why is chart data missing for this instrument?
• Why can I not find an instrument?
• What is the purpose of GroupId in the instruments resource?
• How can I get Stocks, ETFs, CFD and other non-FX on my demo account?
• How do I find the OptionRootId for an option?

See all 8 articles

Trading & Prices

• Why does my order request fail with "Price is on wrong side of market"?
• Why do I get "NoAccess" instead of prices? 
• How do I choose between receiving delayed and live prices?
• How do I place an order?
• Can I trade forex crypto pairs?

See all 27 articles