1. Trend
if ema200 > ema30 Long entry only
else Short entry only
2. Custom Band
Upper band = sma(period) + max(close, period) * multiplier
Lower band = sma(period) - max(close, period) * multiplier
Multiplier can be either 1.3 or 1.1 depending on the trend.
(If trend is long, upper band's factor would be 1.3, lower band be 1.1)
2. Long entry condition
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