Contract for walker progress events during strategy comparison. Emitted each time a strategy completes testing with its current ranking.
walkerName: string
Walker name
exchangeName: string
Exchange name
frameName: string
Frame name
symbol: string
Symbol being tested
strategyName: string
Strategy that just completed
stats: BacktestStatistics
Backtest statistics for this strategy
metricValue: number
Metric value for this strategy (null if invalid)
metric: WalkerMetric
Metric being optimized
bestMetric: number
Current best metric value across all tested strategies so far
bestStrategy: string
Current best strategy name
strategiesTested: number
Number of strategies tested so far
totalStrategies: number
Total number of strategies to test