candle Bollinger Bands RSI OBV

meche
wick of a candle represents the number of buyer and seller
if the wick is down (bottom of the candle) this means that there are purchases.
if the wick is up (the top of the plug), this means that there are sales.

Bollinger Bands
top curve: curves Sales
lower curves: curves purchases
middle curve moving average
when the wick intersects the curve high: indicates sales
when the wick cut the bottom curve: signal purchase

RSI
indicator of 0 to 100
medium 30-70
s indicates oversold when there is less than 30 c
s indicates overbought ago when c is greater than 70
time to buy when the stock breaks the area up to 30
time to sell when the stock breaks the area down 70

OBV
on balance volume shows the volume of value
cumulative volumes of indicator value according to changes in
pressure allows appreciated buy or sell
and the risk of reversal of the trend

example obv increase represents an uptrend,
                                     a volume increase up
case of contradiction market is so obv low and prices rise it prefigure a change
       contradiction between price and obv indicates a reversal