Code to count streaks in PHP (used with Yahoo API tutorial)

StoringController.php

<?php

class StoringController extends BaseController {

    public function store_streaks()
    {
        $date = date('Y-m-d');

        $stocks = DB::table('stocks')->select('symbol')->orderBy('symbol', 'asc')->get();

        foreach ($stocks as $stock)
        {
            $stored = DB::table('stocks')
                ->where('symbol', $stock->symbol)
                ->where('streak_stored', $date)
                ->first();

            if ($stored) continue;
                
            $days = DB::table('summaries')
                ->select('close')
                ->where('symbol', $stock->symbol)
                ->orderBy('date', 'desc')
                ->limit(20)
                ->get();

            $streak = 0;

            for ($i = 0; $i < count($days); $i++)
            {
                // if we're at the earliest day recorded for a stock, the streak is over
                if ( ! isset($days[$i + 1])) break;

                // if the next days price is the same as the current, the streak is over
                if ($days[$i]->close === $days[$i + 1]->close) break;

                // one time check for the first iteration
                if ($i === 0)
                {
                    if ($days[$i] > $days[$i + 1])
                    {
                        $streak++; continue;
                    }

                    if ($days[$i] < $days[$i + 1])
                    {
                        $streak--; continue;
                    }
                }

                // check if the winning streak is over or not
                if ($streak > 0)
                {
                    // if current day's close is less than the day before it, the winning streak is over
                    if ($days[$i]->close < $days[$i + 1]->close) break;
                    
                    // the winning streak continues
                    $streak++;
                }
                elseif ($streak < 0)
                {
                    // if the current day's close is more than the day before it, the losing streak is over
                    if ($days[$i]->close > $days[$i + 1]->close) break;
                    
                    // the losing streak continues
                    $streak--;
                }
            }

            DB::table('stocks')
                ->where('symbol', $stock->symbol)
                ->update([
                    'streak' => $streak,
                    'streak_stored' => $date,
                ]);

            print "Stored a streak of " . $streak . " for: " . $stock->symbol . "\n";
        }
    }
}