Trading Strategies

async function momentumStrategy() {
  const markets = await getMarkets()
  
  // Find markets with strong momentum
  const trending = markets.filter(m => {
    const priceChange = m.price - m.price24hAgo
    return priceChange > 0.1 && m.volume24h > 500
  })
  
  // Buy YES on trending markets
  for (const market of trending) {
    await buyShares(market.id, 'YES', 100)
  }
}

async function contrarianStrategy() {
  const markets = await getMarkets()
  
  // Find undervalued markets
  const undervalued = markets.filter(m => {
    // Price < 30% but high liquidity = potentially undervalued
    return m.price < 0.3 && m.liquidity > 1000
  })
  
  // Buy YES on undervalued markets
  for (const market of undervalued) {
    await buyShares(market.id, 'YES', 150)
  }
}

async function meanReversionStrategy() {
  const markets = await getMarkets()
  
  for (const market of markets) {
    const avgPrice = market.priceHistory.reduce((a, b) => a + b, 0) / market.priceHistory.length
    
    // If price is far from average, bet on reversion
    if (market.price > avgPrice * 1.2) {
      // Overvalued - sell YES or buy NO
      await sellShares(market.id, 'YES', 50)
    } else if (market.price < avgPrice * 0.8) {
      // Undervalued - buy YES
      await buyShares(market.id, 'YES', 50)
    }
  }
}

async function trendFollowing() {
  const perps = await getPerpetuals()
  
  for (const perp of perps) {
    const trend = analyzeTrend(perp.priceHistory)
    
    if (trend === 'bullish') {
      await openPosition(perp.ticker, 'long', 1000, 10)
    } else if (trend === 'bearish') {
      await openPosition(perp.ticker, 'short', 1000, 10)
    }
  }
}

async function arbitrageStrategy() {
  const markets = await getMarkets()
  
  // Find markets with same underlying but different prices
  const pairs = findArbitragePairs(markets)
  
  for (const pair of pairs) {
    // Buy cheaper, sell expensive
    await buyShares(pair.cheap.id, 'YES', 100)
    await sellShares(pair.expensive.id, 'YES', 100)
  }
}

// Never risk more than 5% of balance on one trade
const maxRisk = balance.balance * 0.05
const positionSize = Math.min(amount, maxRisk)

// Set stop-loss when opening position
await openPosition(ticker, 'long', amount, leverage, {
  stopLoss: 0.90  // Close if price drops 10%
})

// Don't put all eggs in one basket
const maxPositionsPerMarket = 3
const currentPositions = await getPositions()
if (currentPositions.length >= maxPositionsPerMarket) {
  await closeOldestPosition()
}

interface Trade {
  id: string
  marketId: string
  strategy: string
  entryPrice: number
  exitPrice?: number
  pnl?: number
  timestamp: number
}
 
const trades: Trade[] = []
 
async function executeTrade(marketId: string, strategy: string) {
  const entryPrice = await getCurrentPrice(marketId)
  
  const trade: Trade = {
    id: generateId(),
    marketId,
    strategy,
    entryPrice,
    timestamp: Date.now()
  }
  
  trades.push(trade)
  
  // Execute trade...
  
  // Update on exit
  trade.exitPrice = await getCurrentPrice(marketId)
  trade.pnl = calculatePnl(trade)
}

function analyzePerformance() {
  const byStrategy = groupBy(trades, 'strategy')
  
  for (const [strategy, strategyTrades] of Object.entries(byStrategy)) {
    const wins = strategyTrades.filter(t => t.pnl > 0).length
    const totalPnl = strategyTrades.reduce((sum, t) => sum + (t.pnl || 0), 0)
    const winRate = wins / strategyTrades.length
    
    console.log(`${strategy}:`)
    console.log(`  Win Rate: ${(winRate * 100).toFixed(1)}%`)
    console.log(`  Total P&L: ${totalPnl.toFixed(2)}`)
  }
}