If I understand your post correctly, I would be very cautious with this approach. I am assuming you mean the stock is down near support or a moving support and "nowhere to go but up". You expect it to regress toward the mean and possibly climb above it to a resistance, so you bet out with a long position without confirmation by a bull candle. Then it doesn't rise or maybe it even drops a bit more, so you throw more money in the pot because now you are getting the stock cheaper. And again. And again. Then the stock maybe hits your stop and you take your loss, or else it reverses as you predicted. Me, I don't like it. I prefer to see a confirmation of reversal and then take a position appropriate in size to my account status and the short term average volume. Then I know I have a better chance of the trade going my way, and MAYBE I will scale out on the way up, where I expect resistance, and if the volume is good and there is good spread on the candle, I might wait and see if the stock will break out, in which case I will keep my half position as long as it is making more money. If not, then I close out the position and yeah, maybe take a slight downslide from the top, but possibly still above the point where I figured to bail.
Averaging down in my view is a flawed strategy. I think overall you are better off switching to 1m candles at the bottom of the range, and watch for a confirmation with volume and price action in agreement, and then bet out strong with a stop below resistance, which is then moved up when there is at least one good solid candle above the break even. and bull volume is still strong. I think in the long run it makes more money than averaging down. Confirmation. That will improve your batting average enough to make a difference in your P/L at the end of the day.
Keep in mind that when you have averaged down say 3 times, those first three buy orders you paid too much. You didn't wait until you had reversal. If not a bull candle, then at least a nice hammer doji. Maybe this... buy when the downward micro trend is in indecision, stalled out. Then buy more at the first bull candle that shows strong volume. Don't you think that is a better way to scale in? You are still buying initially in a dubious setup but one where the price potentially is at bottom, and then you are increasing your position when it is a little more certain, even though you may be a few cents late to the picnic.
Another thing about scaling in while the trade is still trending against you. If you stop out, then the first buy-in loses more money than the last, which you based your stop loss on. So again, you actually overpaid for the stock and have to pay for that mistake when you are finally stopped out.
Just my opinion. Take it for what it's worth. I have never averaged down in live trading. Tried it in paper trading and I was not thrilled by my returns. If I read it wrong and I buy at the low and it turns out that wasn't the low at all and it declines some more, I go ahead and sell and take that tiny loss for my mistake. Maybe it will go back up, but maybe down still further. I would rather wait and buy when there is confirmation.
Maybe that's being timid. Maybe that is just being careful. Call it like you see it. You got to trade the way you see fit.