BTC/USD past red candles actually are “green”?

BTC/USD past red candles actually are “green”?

I have been absorbing volume and candlestick in 1 minute frames. And if you would look closely you will see that, despite that the candles on 15min or 2 hours are read with the big volume, the volume should be green. I didn't measure exactly, but between 70-85 proc. of volume happens on the last red candles which is at lowest low at that time.

Is the common person is buying on lowest low, on the last strongest red candle without pullback candle confirmation, on the last few minuets before first green candle? Or smart many managers are buying who have to push large amount of money in the market on the red candles?

I have marked candles which volume come from buying on last red candle with the circles with green borders and buying candles with the red border if a volume was on sell side. Candles with the gray border circles are the one which I cannot indentify whether the volume come from beers or bulls, because it happened on one 1 min candle and I wasn’t looking at that time.

Is this accumulation phase?
Can you please share your thoughts on this?
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