u/Apprehensive-Table24

I played 5 games of rank against all plat and won 4 consecutively but my placement is silver 1, is this normal?

https://preview.redd.it/lnjv86kiklzg1.png?width=1585&format=png&auto=webp&s=e37c025707bcc8133eb5486109b84e083f615307