diff --git a/config/sensors/finance.yaml b/config/sensors/finance.yaml
index 52c9b3a..20cb7e6 100755
--- a/config/sensors/finance.yaml
+++ b/config/sensors/finance.yaml
@@ -30,6 +30,7 @@
 - platform: statistics
   name: xlm_price_stats
   entity_id: sensor.xlm_exchange_rate
+  state_characteristic: change
   sampling_size: 2