When I invest does that money hit my Raiz account straight away?

Hi all just curious with how the Raiz auto investment works. I put in 250 every Monday and my account is almost worth 5.5k now at 19 which I’m pretty happy with. I used to invest with commsec and it was similar rules, when you buy it takes 1-3 days to invest but as soon as you bought you were in the market and your money went up or down. Just curious if Raiz is the same or while it’s pending and transferring is the money not affecting your portfolio? Just curious as I was wondering if it would be best to buy in on a bad day or if the money would only transfer in 3 days later when the market had likely recovered. I’m putting in the 250 a week regardless but just curious on that matter, thanks.