Yes, it depends on market conditions, so it's good if you have a strategy of doing multiple DCAs for each price level (this will readjust your buying levels).
For example, at a price level of $16k to $20k, each of your purchases is $100 (DCA-1). Once the price level goes up $20k to $24k it will be $60 (DCA-2), etc. In this case, your portfolio should be separate.
By now you have accumulated quite a lot with a good buying average.
DCA is really a great strategy and timing is really the key. Just always buy if it's on a red candle on a 4H timeframe and set an alarm for the target price if it hits. I can see that the market could reach $25k in no time and another retracement before it goes up again.