diff --git a/feeds/cer-feeds.json b/feeds/mainnet/cer-feeds.json
similarity index 100%
rename from feeds/cer-feeds.json
rename to feeds/mainnet/cer-feeds.json
diff --git a/feeds/preview/cer-feeds.json b/feeds/preview/cer-feeds.json
new file mode 100644
index 0000000..188f847
--- /dev/null
+++ b/feeds/preview/cer-feeds.json
@@ -0,0 +1,218 @@
+{
+    "meta": {
+        "description": "active Orcfax CER feeds",
+        "version": "2024.08.12.0001"
+    },
+    "feeds": [
+        {
+            "pair": "ADA-BTC",
+            "label": "ADA-BTC",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "cex",
+            "calculation": "median",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "ADA-DJED",
+            "label": "ADA-DJED",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "ADA-IUSD",
+            "label": "ADA-iUSD",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "ADA-USD",
+            "label": "ADA-USD",
+            "interval": 3600,
+            "deviation": 1,
+            "source": "cex",
+            "calculation": "median",
+            "status": "subsidized",
+            "type": "CER"
+        },
+        {
+            "pair": "ADA-USDM",
+            "label": "ADA-USDM",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "AGIX-ADA",
+            "label": "AGIX-ADA",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "BOOK-ADA",
+            "label": "BOOK-ADA",
+            "interval": 3600,
+            "deviation": 2,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "BTC-USD",
+            "label": "BTC-USD",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "cex",
+            "calculation": "median",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "BTN-ADA",
+            "label": "BTN-ADA",
+            "interval": 3600,
+            "deviation": 2,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "CERRA-ADA",
+            "label": "CERRA-ADA",
+            "interval": 3600,
+            "deviation": 2,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "COPI-ADA",
+            "label": "COPI-ADA",
+            "interval": 3600,
+            "deviation": 2,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "FACT-ADA",
+            "label": "FACT-ADA",
+            "interval": 3600,
+            "deviation": 1,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "subsidized",
+            "type": "CER"
+        },
+        {
+            "pair": "MIN-ADA",
+            "label": "MIN-ADA",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "HOSKY-ADA",
+            "label": "HOSKY-ADA",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "HUNT-ADA",
+            "label": "HUNT-ADA",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "INDY-ADA",
+            "label": "INDY-ADA",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "LENFI-ADA",
+            "label": "LENFI-ADA",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "LQ-ADA",
+            "label": "LQ-ADA",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "SHEN-ADA",
+            "label": "SHEN-ADA",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "SNEK-ADA",
+            "label": "SNEK-ADA",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        },
+        {
+            "pair": "WMT-ADA",
+            "label": "WMT-ADA",
+            "interval": 3600,
+            "deviation": 5,
+            "source": "dex",
+            "calculation": "weighted mean",
+            "status": "showcase",
+            "type": "CER"
+        }
+    ]
+}