diff --git a/CHANGELOG.md b/CHANGELOG.md
index 246c732..a543859 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ This project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 ### Changed
-- Sample weekly when querying over 365 days
+- Sample weekly when querying over a year
 - Bump PostgreSQL to 12
 
 ## 1.0.0 - 2020-01-02
diff --git a/lib/currency.rb b/lib/currency.rb
index 32d58ed..a52fbdc 100644
--- a/lib/currency.rb
+++ b/lib/currency.rb
@@ -17,7 +17,7 @@ class Currency < Sequel::Model(Day.currencies)
 
     def between(interval)
       case interval.last - interval.first
-      when 91.. then super.sample('week')
+      when 366.. then super.sample('week')
       else super
       end
     end
diff --git a/spec/currency_spec.rb b/spec/currency_spec.rb
index 9bff185..e1bf94c 100644
--- a/spec/currency_spec.rb
+++ b/spec/currency_spec.rb
@@ -16,14 +16,14 @@ describe Currency do
       Date.parse('2010-01-01')
     end
 
-    it 'returns everything up to 90 days' do
-      interval = day..day + 90
-      Currency.between(interval).map(:date).uniq.count.must_be :>, 30
+    it 'returns everything up to a year' do
+      interval = day..day + 365
+      Currency.between(interval).map(:date).uniq.count.must_be :>, 52
     end
 
-    it 'samples weekly over 90 days' do
-      interval = day..day + 365
-      Currency.between(interval).map(:date).uniq.count.must_be :<=, 52
+    it 'samples weekly over a year' do
+      interval = day..day + 366
+      Currency.between(interval).map(:date).uniq.count.must_be :<, 54
     end
 
     it 'sorts by date' do