Question about Gigabyte Aorus GeForce RTX 3070 Master

I paid CHF 659.00 for my 3070 (https://www.digitec.ch/de/s1/product/gigabyte-geforce-rtx-3070-vision-oc-8gb-grafikkarte-14100150) at the end of November.

I think that was a mistake in the system.

on 18.5. you can get them for 930