Short at $9K to $6,000 reverse your order from $6,000 and to long till $8,000 again and then short $8,000 again to $4,500....then go long from $4,500 to $6,500...then go short again from $6,500 to under $4,000.
$9K ——> $6K
$6K ——> $8K
$8K ——>$4,5K
$4,5K ——> $6,5K
$6,4K ——> $4K
$9K ——> $6K
$6K ——> $8K
$8K ——>$4,5K
$4,5K ——> $6,5K
$6,4K ——> $4K