Get product stats

curl --request GET \
  --url https://api.exchange.coinbase.com/products/{product_id}/stats

{
  "open": "5414.18000000",
  "high": "6441.37000000",
  "low": "5261.69000000",
  "volume": "53687.76764233",
  "last": "6250.02000000",
  "volume_30day": "786763.72930864",
  "rfq_volume_24hour": "78.23",
  "conversions_volume_24hour": "0.000000",
  "rfq_volume_30day": "0.000000",
  "conversions_volume_30day": "0.000000"
}