I don't have one. When the daily candles start showing real weakness on above average volume volume, I'll sell, or if we are back in a sideways accumulation pattern before an earnings day in the long term future. Weaker candles on high volume typically represent MM selling IMO. Buy at wholesale, sell at retail is what they do, therefore I don't see a real downturn until we are over $20 a share. Can never know for sure what the magic # is, but volume always gives them away