1. 100%買入QQQ when the low of Nasdaq index remains above 20 day simple average for 3 consecutive days
2. 100%賣出 when the high of Nasdaq index remains below 20 day simple average for 3 consecutive days
3. From 1/1/1973 to 12/31/2013, $10K turned into $919K vs B&H of $408K
4. 僅供參考, 自己驗證和改進