diff --git a/BTCPayServer.Tests/UnitTest1.cs b/BTCPayServer.Tests/UnitTest1.cs
index f219074aa..86c274be1 100644
--- a/BTCPayServer.Tests/UnitTest1.cs
+++ b/BTCPayServer.Tests/UnitTest1.cs
@@ -751,6 +751,10 @@ namespace BTCPayServer.Tests
             var b = cached.GetRateAsync("JPY").GetAwaiter().GetResult();
             //Manually check that cache get hit after 10 sec
             var c = cached.GetRateAsync("JPY").GetAwaiter().GetResult();
+
+            var bitstamp = new CoinAverageRateProvider("BTC") { Exchange = "bitstamp" };
+            var bitstampRate = bitstamp.GetRateAsync("USD").GetAwaiter().GetResult();
+            Assert.Throws<RateUnavailableException>(() => bitstamp.GetRateAsync("XXXXX").GetAwaiter().GetResult());
         }
 
         private static bool IsMapped(Invoice invoice, ApplicationDbContext ctx)
diff --git a/BTCPayServer/BTCPayServer.csproj b/BTCPayServer/BTCPayServer.csproj
index e9558aa25..92486cf04 100644
--- a/BTCPayServer/BTCPayServer.csproj
+++ b/BTCPayServer/BTCPayServer.csproj
@@ -2,7 +2,7 @@
   <PropertyGroup>
     <OutputType>Exe</OutputType>
     <TargetFramework>netcoreapp2.0</TargetFramework>
-		<Version>1.0.1.12</Version>
+		<Version>1.0.1.13</Version>
   </PropertyGroup>
   <ItemGroup>
     <Compile Remove="Build\dockerfiles\**" />
diff --git a/BTCPayServer/Controllers/StoresController.cs b/BTCPayServer/Controllers/StoresController.cs
index f2ae40e31..a7f36f2ae 100644
--- a/BTCPayServer/Controllers/StoresController.cs
+++ b/BTCPayServer/Controllers/StoresController.cs
@@ -17,6 +17,7 @@ using NBXplorer.DerivationStrategy;
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Net.Http;
 using System.Threading.Tasks;
 
 namespace BTCPayServer.Controllers
@@ -95,7 +96,7 @@ namespace BTCPayServer.Controllers
             var stores = await _Repo.GetStoresByUserId(GetUserId());
             var balances = stores
                                 .Select(s => s.GetDerivationStrategies(_NetworkProvider)
-                                              .Select(d => (Wallet: _WalletProvider.GetWallet(d.Network), 
+                                              .Select(d => (Wallet: _WalletProvider.GetWallet(d.Network),
                                                             DerivationStrategy: d.DerivationStrategyBase))
                                               .Where(_ => _.Wallet != null)
                                               .Select(async _ => (await _.Wallet.GetBalance(_.DerivationStrategy)).ToString() + " " + _.Wallet.Network.CryptoCode))
@@ -165,6 +166,7 @@ namespace BTCPayServer.Controllers
             vm.MonitoringExpiration = storeBlob.MonitoringExpiration;
             vm.InvoiceExpiration = storeBlob.InvoiceExpiration;
             vm.RateMultiplier = (double)storeBlob.GetRateMultiplier();
+            vm.PreferredExchange = storeBlob.PreferredExchange;
             return View(vm);
         }
 
@@ -309,6 +311,8 @@ namespace BTCPayServer.Controllers
             blob.NetworkFeeDisabled = !model.NetworkFee;
             blob.MonitoringExpiration = model.MonitoringExpiration;
             blob.InvoiceExpiration = model.InvoiceExpiration;
+            blob.PreferredExchange = model.PreferredExchange;
+
             blob.SetRateMultiplier(model.RateMultiplier);
 
             if (store.SetStoreBlob(blob))
@@ -316,6 +320,19 @@ namespace BTCPayServer.Controllers
                 needUpdate = true;
             }
 
+            if (!string.IsNullOrEmpty(blob.PreferredExchange))
+            {
+                using (HttpClient client = new HttpClient())
+                {
+                    var rate = await client.GetAsync(model.RateSource);
+                    if (rate.StatusCode == System.Net.HttpStatusCode.NotFound)
+                    {
+                        ModelState.AddModelError(nameof(model.PreferredExchange), $"Invalid exchange ({model.RateSource})");
+                        return View(model);
+                    }
+                }
+            }
+
             if (needUpdate)
             {
                 await _Repo.UpdateStore(store);
diff --git a/BTCPayServer/Data/StoreData.cs b/BTCPayServer/Data/StoreData.cs
index ff98ee20a..b948cea3a 100644
--- a/BTCPayServer/Data/StoreData.cs
+++ b/BTCPayServer/Data/StoreData.cs
@@ -235,9 +235,29 @@ namespace BTCPayServer.Data
         }
 
         public List<RateRule> RateRules { get; set; } = new List<RateRule>();
+        public string PreferredExchange { get; set; }
 
         public IRateProvider ApplyRateRules(BTCPayNetwork network, IRateProvider rateProvider)
         {
+            if (!string.IsNullOrEmpty(PreferredExchange))
+            {
+                // If the original rateProvider is a cache, use the same inner provider as fallback, and same memory cache to wrap it all
+                if (rateProvider is CachedRateProvider cachedRateProvider)
+                {
+                    rateProvider = new FallbackRateProvider(new IRateProvider[] {
+                        new CoinAverageRateProvider(network.CryptoCode) { Exchange = PreferredExchange },
+                        cachedRateProvider.Inner
+                    });
+                    rateProvider = new CachedRateProvider(network.CryptoCode, rateProvider, cachedRateProvider.MemoryCache);
+                }
+                else
+                {
+                    rateProvider = new FallbackRateProvider(new IRateProvider[] {
+                        new CoinAverageRateProvider(network.CryptoCode) { Exchange = PreferredExchange },
+                        rateProvider
+                    });
+                }
+            }
             if (RateRules == null || RateRules.Count == 0)
                 return rateProvider;
             return new TweakRateProvider(network, rateProvider, RateRules.ToList());
diff --git a/BTCPayServer/Models/StoreViewModels/StoreViewModel.cs b/BTCPayServer/Models/StoreViewModels/StoreViewModel.cs
index a6fb4abb3..f5f76e1b4 100644
--- a/BTCPayServer/Models/StoreViewModels/StoreViewModel.cs
+++ b/BTCPayServer/Models/StoreViewModels/StoreViewModel.cs
@@ -47,6 +47,17 @@ namespace BTCPayServer.Models.StoreViewModels
 
         public List<StoreViewModel.DerivationScheme> DerivationSchemes { get; set; } = new List<StoreViewModel.DerivationScheme>();
 
+        [Display(Name = "Preferred exchange rate...")]
+        public string PreferredExchange { get; set; }
+
+        public string RateSource
+        {
+            get
+            {
+                return string.IsNullOrEmpty(PreferredExchange) ? "https://apiv2.bitcoinaverage.com/indices/global/ticker/short" : $"https://apiv2.bitcoinaverage.com/exchanges/{PreferredExchange}";
+            }
+        }
+
         [Display(Name = "Multiply the original rate by ...")]
         [Range(0.01, 10.0)]
         public double RateMultiplier
diff --git a/BTCPayServer/Services/Rates/CachedDefaultRateProviderFactory.cs b/BTCPayServer/Services/Rates/CachedDefaultRateProviderFactory.cs
index a96b99627..44b4dac65 100644
--- a/BTCPayServer/Services/Rates/CachedDefaultRateProviderFactory.cs
+++ b/BTCPayServer/Services/Rates/CachedDefaultRateProviderFactory.cs
@@ -11,6 +11,15 @@ namespace BTCPayServer.Services.Rates
     {
         IMemoryCache _Cache;
         ConcurrentDictionary<string, IRateProvider> _Providers = new ConcurrentDictionary<string, IRateProvider>();
+
+        public IMemoryCache Cache
+        {
+            get
+            {
+                return _Cache;
+            }
+        }
+
         public CachedDefaultRateProviderFactory(IMemoryCache cache)
         {
             if (cache == null)
@@ -18,10 +27,12 @@ namespace BTCPayServer.Services.Rates
             _Cache = cache;
         }
 
+        public IRateProvider RateProvider { get; set; }
+
         public TimeSpan CacheSpan { get; set; } = TimeSpan.FromMinutes(1.0);
         public IRateProvider GetRateProvider(BTCPayNetwork network)
         {
-            return _Providers.GetOrAdd(network.CryptoCode, new CachedRateProvider(network.CryptoCode, network.DefaultRateProvider, _Cache) { CacheSpan = CacheSpan });
+            return _Providers.GetOrAdd(network.CryptoCode, new CachedRateProvider(network.CryptoCode, RateProvider ?? network.DefaultRateProvider, _Cache) { CacheSpan = CacheSpan });
         }
     }
 }
diff --git a/BTCPayServer/Services/Rates/CachedRateProvider.cs b/BTCPayServer/Services/Rates/CachedRateProvider.cs
index b64466b69..a1999b87e 100644
--- a/BTCPayServer/Services/Rates/CachedRateProvider.cs
+++ b/BTCPayServer/Services/Rates/CachedRateProvider.cs
@@ -19,19 +19,28 @@ namespace BTCPayServer.Services.Rates
             if (memoryCache == null)
                 throw new ArgumentNullException(nameof(memoryCache));
             this._Inner = inner;
-            this._MemoryCache = memoryCache;
+            this.MemoryCache = memoryCache;
             this._CryptoCode = cryptoCode;
         }
 
+        public IRateProvider Inner
+        {
+            get
+            {
+                return _Inner;
+            }
+        }
+
         public TimeSpan CacheSpan
         {
             get;
             set;
         } = TimeSpan.FromMinutes(1.0);
+        public IMemoryCache MemoryCache { get => _MemoryCache; private set => _MemoryCache = value; }
 
         public Task<decimal> GetRateAsync(string currency)
         {
-            return _MemoryCache.GetOrCreateAsync("CURR_" + currency + "_" + _CryptoCode, (ICacheEntry entry) =>
+            return MemoryCache.GetOrCreateAsync("CURR_" + currency + "_" + _CryptoCode, (ICacheEntry entry) =>
             {
                 entry.AbsoluteExpiration = DateTimeOffset.UtcNow + CacheSpan;
                 return _Inner.GetRateAsync(currency);
@@ -40,7 +49,7 @@ namespace BTCPayServer.Services.Rates
         
         public Task<ICollection<Rate>> GetRatesAsync()
         {
-            return _MemoryCache.GetOrCreateAsync("GLOBAL_RATES", (ICacheEntry entry) =>
+            return MemoryCache.GetOrCreateAsync("GLOBAL_RATES", (ICacheEntry entry) =>
             {
                 entry.AbsoluteExpiration = DateTimeOffset.UtcNow + CacheSpan;
                 return _Inner.GetRatesAsync();
diff --git a/BTCPayServer/Services/Rates/CoinAverageRateProvider.cs b/BTCPayServer/Services/Rates/CoinAverageRateProvider.cs
index 824a2ff7e..8d063f42d 100644
--- a/BTCPayServer/Services/Rates/CoinAverageRateProvider.cs
+++ b/BTCPayServer/Services/Rates/CoinAverageRateProvider.cs
@@ -24,6 +24,8 @@ namespace BTCPayServer.Services.Rates
             CryptoCode = cryptoCode ?? "BTC";
         }
 
+        public string Exchange { get; set; }
+
         public string CryptoCode { get; set; }
 
         public string Market
@@ -45,7 +47,15 @@ namespace BTCPayServer.Services.Rates
 
         private async Task<Dictionary<string, decimal>> GetRatesCore()
         {
-            var resp = await _Client.GetAsync($"https://apiv2.bitcoinaverage.com/indices/{Market}/ticker/short");
+            HttpResponseMessage resp = null;
+            if (Exchange == null)
+            {
+                resp = await _Client.GetAsync($"https://apiv2.bitcoinaverage.com/indices/{Market}/ticker/short");
+            }
+            else
+            {
+                resp = await _Client.GetAsync($"https://apiv2.bitcoinaverage.com/exchanges/{Exchange}");
+            }
             using (resp)
             {
 
@@ -57,9 +67,23 @@ namespace BTCPayServer.Services.Rates
                     throw new CoinAverageException("Unauthorized access to the API, premium plan needed");
                 resp.EnsureSuccessStatusCode();
                 var rates = JObject.Parse(await resp.Content.ReadAsStringAsync());
+                if(Exchange != null)
+                {
+                    rates = (JObject)rates["symbols"];
+                }
                 return rates.Properties()
                               .Where(p => p.Name.StartsWith(CryptoCode, StringComparison.OrdinalIgnoreCase))
-                              .ToDictionary(p => p.Name.Substring(CryptoCode.Length, p.Name.Length - CryptoCode.Length), p => ToDecimal(p.Value["last"]));
+                              .ToDictionary(p => p.Name.Substring(CryptoCode.Length, p.Name.Length - CryptoCode.Length), p =>
+                              {
+                                  if (Exchange == null)
+                                  {
+                                      return ToDecimal(p.Value["last"]);
+                                  }
+                                  else
+                                  {
+                                      return ToDecimal(p.Value["bid"]);
+                                  }
+                              });
             }
         }
 
diff --git a/BTCPayServer/Views/Stores/UpdateStore.cshtml b/BTCPayServer/Views/Stores/UpdateStore.cshtml
index 9c607b078..f968ac4fb 100644
--- a/BTCPayServer/Views/Stores/UpdateStore.cshtml
+++ b/BTCPayServer/Views/Stores/UpdateStore.cshtml
@@ -38,6 +38,14 @@
                 <label asp-for="NetworkFee"></label>
                 <input asp-for="NetworkFee" type="checkbox" class="form-check" />
             </div>
+            <div class="form-group">
+                <label asp-for="PreferredExchange"></label>
+                <input asp-for="PreferredExchange" class="form-control" />
+                <span asp-validation-for="PreferredExchange" class="text-danger"></span>
+                <p id="PreferredExchangeHelpBlock" class="form-text text-muted">
+                    Current rate source is <a href="@Model.RateSource" target="_blank">@Model.RateSource</a>.<small> (using 1 minute cache)</small>
+                </p>
+            </div>
             <div class="form-group">
                 <label asp-for="RateMultiplier"></label>
                 <input asp-for="RateMultiplier" class="form-control" />
diff --git a/BTCPayServer/wwwroot/css/creative.css b/BTCPayServer/wwwroot/css/creative.css
index 4e655477d..0ac9802b9 100644
--- a/BTCPayServer/wwwroot/css/creative.css
+++ b/BTCPayServer/wwwroot/css/creative.css
@@ -43,7 +43,7 @@ h6 {
 }
 
 p {
-    font-size: 16px;
+    /*font-size: 16px;*/
     line-height: 1.5;
     margin-bottom: 20px;
 }