• Fixed option chain for Futures Options and for Thursday regular expiration in case of a Friday holiday. For example, the next regular expiration is Thursday, 4/17/2025 since 4/18/2025 is Good Friday.

• Added Splits and Mergers and Acquisitions (M&A) to Tradier’s Event Provider.

Note! - Requires WealthLab Build 102 (min)

• More reconnect work; fixed an error that failed to retrieve new broker sessions and added a Session Manager to persist websocket sessions.
• New! Tradier Event Provider for Dividends. Includes historical and scheduled future actions (Tradier Events are in beta).

• Another [big] improvement for reconnect/session logic.
• (Internal) Simplified obtaining the previous Closing price for Quotes.

• Change: Handle and report bad/invalid server responses for historical data requests.

• Fix: Reconnect cleanup and “too many sessions requested”.
• Fix: Equity symbol was blank when retrieving active orders on the first connection.

• Fix to handle a [rare] bad server response for GetSessionID.

• Fix - When loading active orders, option symbols are not in the response’s symbol field.

Note! - Requires WealthLab Build 97 (min)

• Fix - greeks couldn’t be updated on the day of an option’s expiration.
• Fix - Multiple market data SessionIDs were being created inadvertently, sometimes causing the streaming session to be shut down by the server.
• Improved Streaming reconnects following transient disconnects. In general, WealthLab reconnect attempts will timeout after a 2-minute period of internet inactivity at which time the Log will prompt you to fix the connection and restart WealthLab.

• Added delay to prevent too many socket connection attempts.
• Fix: Explicitly close the streaming socket before reconnecting.

• Code optimizations for historical provider (no functional change).

• Fix: The accounts websocket timed out intermittently after 1 minute if a heartbeat message was received too late. We’ve given this more leeway and updated reconnect logic.
• Fix: Premarket trades will register in Streaming charts.
• Fix: Streaming charts will more accurately reflect historical bar pricing at the expense of understated intraday volume. See User Guide > Tradier for details.

• Fix: Test for Tradier option symbol gave the wrong result.

• Fix: GetOptionChainSnapshot() should return only the set of greeks for the requested underlier.
• Fix: GetOptionChainSnapshot() caching was blocking new requests.

• Fix null reference exception when passing a null string to GetGreeks().

• WL8 Build 91 required for compatibility.
• Included Help doc.
• Added InitializeIfRequired to public methods.
• Implemented GetOptionChain() for TradierHistorical.
• Implemented GetOptionChainSnapshot() for TradierHistorical.

• GetOptionsSymbol(allowedExpired: false) will return only has-traded contracts by checking the contract strike for non-zero Open Interest. The contract for the Next (Previous) strike in the chain with non-zero Open Interest will be returned for Calls (Puts).
• Fix: Requests to populate greeks weren’t completing when a contract contained a greek with a null reference.

• Assign Point value (100) to BarHistory.SymbolInfo for option contracts.

• Intraday data support for native scales 1, 5, and 15 minutes. History is limited to 20 days for 1-Minute and 40 days for 5 and 15-Minute intervals.
• VWAP (interval-basis only) is also available using bars.GetNamedSeries("vwap");

• Target .NET8.
• Adapt to high latency receiving accounts/positions in Tradier sandbox mode.

• Add required support libraries.

• Weekly+ Strategy orders will be submitted as GTC.

• Fix: BrokerPosition Basis Price for option symbols.

• Fixed heartbeat.

• Implemented GetSymbolStrike() and GetSymbolExpiry() methods to return the strike and expiration date from an IQFeed option symbol.

• Fix corrupted Build 13.

• Removed unused GetOptionsSymbol() method signature.

• New! - Option Chains and Greeks are implemented in the TradierHistorical.Instance. See [TBD: blog url] for details and examples.

• Fixed intermittent streaming failures.

• Updated websocket component.

• Upgrade to latest version of Newtonsoft Json support library.

• Fixed Tradier adding some NaN values to BarHistories.

• Optimized streaming when a large number of symbols selected.

• Fixed issue that caused short positions to be reported with negative values.

• StopLimit Order Type support added (Build 13 required).

• Data Providers are now more careful about checking Offline Mode before making web requests (requires WL8 Build 10+).

• Authentication fixes (WL8 Build 9 required.)

• Changes to support new authentication methods at Tradier.

• Initial release.