diff --git a/homeassistant/components/somfy/__init__.py b/homeassistant/components/somfy/__init__.py
index aa288e13ac7..1b2722882e6 100644
--- a/homeassistant/components/somfy/__init__.py
+++ b/homeassistant/components/somfy/__init__.py
@@ -27,6 +27,7 @@ DOMAIN = "somfy"
 
 CONF_CLIENT_ID = "client_id"
 CONF_CLIENT_SECRET = "client_secret"
+CONF_OPTIMISTIC = "optimisitic"
 
 SOMFY_AUTH_CALLBACK_PATH = "/auth/somfy/callback"
 SOMFY_AUTH_START = "/auth/somfy"
@@ -37,6 +38,7 @@ CONFIG_SCHEMA = vol.Schema(
             {
                 vol.Required(CONF_CLIENT_ID): cv.string,
                 vol.Required(CONF_CLIENT_SECRET): cv.string,
+                vol.Optional(CONF_OPTIMISTIC, default=False): cv.boolean,
             }
         )
     },
@@ -53,6 +55,8 @@ async def async_setup(hass, config):
     if DOMAIN not in config:
         return True
 
+    hass.data[DOMAIN][CONF_OPTIMISTIC] = config[DOMAIN][CONF_OPTIMISTIC]
+
     config_flow.SomfyFlowHandler.async_register_implementation(
         hass,
         config_entry_oauth2_flow.LocalOAuth2Implementation(
diff --git a/homeassistant/components/somfy/cover.py b/homeassistant/components/somfy/cover.py
index b48e326162d..d0e555ed55c 100644
--- a/homeassistant/components/somfy/cover.py
+++ b/homeassistant/components/somfy/cover.py
@@ -8,7 +8,7 @@ from homeassistant.components.cover import (
     CoverDevice,
 )
 
-from . import API, DEVICES, DOMAIN, SomfyEntity
+from . import API, CONF_OPTIMISTIC, DEVICES, DOMAIN, SomfyEntity
 
 
 async def async_setup_entry(hass, config_entry, async_add_entities):
@@ -25,7 +25,9 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
         devices = hass.data[DOMAIN][DEVICES]
 
         return [
-            SomfyCover(cover, hass.data[DOMAIN][API])
+            SomfyCover(
+                cover, hass.data[DOMAIN][API], hass.data[DOMAIN][CONF_OPTIMISTIC]
+            )
             for cover in devices
             if categories & set(cover.categories)
         ]
@@ -36,10 +38,12 @@ async def async_setup_entry(hass, config_entry, async_add_entities):
 class SomfyCover(SomfyEntity, CoverDevice):
     """Representation of a Somfy cover device."""
 
-    def __init__(self, device, api):
+    def __init__(self, device, api, optimistic):
         """Initialize the Somfy device."""
         super().__init__(device, api)
         self.cover = Blind(self.device, self.api)
+        self.optimistic = optimistic
+        self._closed = None
 
     async def async_update(self):
         """Update the device with the latest data."""
@@ -48,10 +52,14 @@ class SomfyCover(SomfyEntity, CoverDevice):
 
     def close_cover(self, **kwargs):
         """Close the cover."""
+        if self.optimistic:
+            self._closed = True
         self.cover.close()
 
     def open_cover(self, **kwargs):
         """Open the cover."""
+        if self.optimistic:
+            self._closed = False
         self.cover.open()
 
     def stop_cover(self, **kwargs):
@@ -76,6 +84,8 @@ class SomfyCover(SomfyEntity, CoverDevice):
         is_closed = None
         if self.has_capability("position"):
             is_closed = self.cover.is_closed()
+        elif self.optimistic:
+            is_closed = self._closed
         return is_closed
 
     @property