diff --git a/addons/stock/report/report_stock_forecast.py b/addons/stock/report/report_stock_forecast.py
index b7f7712024f..1fbfe364d61 100644
--- a/addons/stock/report/report_stock_forecast.py
+++ b/addons/stock/report/report_stock_forecast.py
@@ -14,102 +14,176 @@ class ReportStockForecat(models.Model):
     cumulative_quantity = fields.Float(string='Cumulative Quantity', readonly=True)
     quantity = fields.Float(readonly=True)
     company_id = fields.Many2one('res.company', string='Company', readonly=True)
+    reference = fields.Char('Reference')
 
     @api.model_cr
     def init(self):
         tools.drop_view_if_exists(self._cr, 'report_stock_forecast')
         self._cr.execute("""CREATE or REPLACE VIEW report_stock_forecast AS (SELECT
-        MIN(id) as id,
-        product_id as product_id,
-        date as date,
-        sum(product_qty) AS quantity,
-        sum(sum(product_qty)) OVER (PARTITION BY product_id ORDER BY date) AS cumulative_quantity,
-        company_id
+            row_number() OVER (ORDER BY final.date,final.id) AS id,
+            product_id as product_id,
+            date(final.date) as date,
+            sum(product_qty) AS quantity,
+            sum(sum(product_qty)) OVER (PARTITION BY final.product_id, final.company_id ORDER BY final.date) AS cumulative_quantity,
+            reference,
+            final.company_id
         FROM
-        (SELECT
-        MIN(id) as id,
-        MAIN.product_id as product_id,
-        SUB.date as date,
-        CASE WHEN MAIN.date = SUB.date THEN sum(MAIN.product_qty) ELSE 0 END as product_qty,
-        MAIN.company_id as company_id
-        FROM
-        (SELECT
-            MIN(sq.id) as id,
-            sq.product_id,
-            date_trunc('week', to_date(to_char(CURRENT_DATE, 'YYYY/MM/DD'), 'YYYY/MM/DD')) as date,
-            SUM(sq.quantity) AS product_qty,
-            sq.company_id
+            (SELECT
+                MIN(id) as id,
+                MAIN.product_id as product_id,
+                date(SUB.date) as date,
+                CASE WHEN MAIN.date = SUB.date THEN sum(MAIN.product_qty) ELSE 0 END as product_qty,
+                MAIN.reference as reference,
+                MAIN.company_id as company_id
             FROM
-            stock_quant as sq
+                (SELECT
+                    MIN(-product.id) as id,
+                    product.id as product_id,
+                    date(CURRENT_DATE) as date,
+                    SUM(sq.quantity) AS product_qty,
+                    'Starting Inventory' as reference,
+                    sq.company_id
+                FROM
+                    product_product as product
+                LEFT JOIN
+                    stock_quant sq ON product.id = sq.product_id
+                LEFT JOIN
+                    stock_location location_id ON sq.location_id = location_id.id
+                WHERE
+                    location_id.usage = 'internal'
+                GROUP BY
+                    date, product.id, sq.company_id, sq.quantity
+                UNION ALL
+                SELECT
+                    MIN(sm.id) as id,
+                    sm.product_id,
+                    CASE WHEN sm.date_expected > CURRENT_DATE
+                    THEN date(sm.date_expected)
+                    ELSE date(CURRENT_DATE) END
+                    AS date,
+                    SUM(sm.product_qty) AS product_qty,
+                    sm.reference as reference,
+                    sm.company_id
+                FROM
+                    stock_move as sm
+                LEFT JOIN
+                   product_product ON product_product.id = sm.product_id
+                LEFT JOIN
+                    stock_location dest_location ON sm.location_dest_id = dest_location.id
+                LEFT JOIN
+                    stock_location source_location ON sm.location_id = source_location.id
+                WHERE
+                    sm.state IN ('confirmed','partially_available','assigned','waiting') and
+                    source_location.usage != 'internal' and dest_location.usage = 'internal'
+                GROUP BY
+                    sm.date_expected,sm.product_id, sm.company_id, sm.reference
+                UNION ALL
+                SELECT
+                    MIN(sm.id) as id,
+                    sm.product_id,
+                    CASE WHEN sm.date_expected > CURRENT_DATE
+                        THEN date(sm.date_expected)
+                        ELSE date(CURRENT_DATE) END
+                    AS date,
+                    SUM(-(sm.product_qty)) AS product_qty,
+                    sm.reference AS reference,
+                    sm.company_id
+                FROM
+                   stock_move as sm
+                LEFT JOIN
+                   product_product ON product_product.id = sm.product_id
+                LEFT JOIN
+                   stock_location source_location ON sm.location_id = source_location.id
+                LEFT JOIN
+                   stock_location dest_location ON sm.location_dest_id = dest_location.id
+                WHERE
+                    sm.state IN ('confirmed','partially_available','assigned','waiting') and
+                    source_location.usage = 'internal' and dest_location.usage != 'internal'
+                GROUP BY
+                    sm.date_expected,sm.product_id, sm.company_id, sm.reference
+                ) AS MAIN
             LEFT JOIN
-            product_product ON product_product.id = sq.product_id
-            LEFT JOIN
-            stock_location location_id ON sq.location_id = location_id.id
-            WHERE
-            location_id.usage = 'internal'
-            GROUP BY date, sq.product_id, sq.company_id
-            UNION ALL
-            SELECT
-            MIN(-sm.id) as id,
-            sm.product_id,
-            CASE WHEN sm.date_expected > CURRENT_DATE
-            THEN date_trunc('week', to_date(to_char(sm.date_expected, 'YYYY/MM/DD'), 'YYYY/MM/DD'))
-            ELSE date_trunc('week', to_date(to_char(CURRENT_DATE, 'YYYY/MM/DD'), 'YYYY/MM/DD')) END
-            AS date,
-            SUM(sm.product_qty) AS product_qty,
-            sm.company_id
-            FROM
-               stock_move as sm
-            LEFT JOIN
-               product_product ON product_product.id = sm.product_id
-            LEFT JOIN
-            stock_location dest_location ON sm.location_dest_id = dest_location.id
-            LEFT JOIN
-            stock_location source_location ON sm.location_id = source_location.id
-            WHERE
-            sm.state IN ('confirmed','partially_available','assigned','waiting') and
-            source_location.usage != 'internal' and dest_location.usage = 'internal'
-            GROUP BY sm.date_expected,sm.product_id, sm.company_id
-            UNION ALL
-            SELECT
-                MIN(-sm.id) as id,
-                sm.product_id,
-                CASE WHEN sm.date_expected > CURRENT_DATE
-                    THEN date_trunc('week', to_date(to_char(sm.date_expected, 'YYYY/MM/DD'), 'YYYY/MM/DD'))
-                    ELSE date_trunc('week', to_date(to_char(CURRENT_DATE, 'YYYY/MM/DD'), 'YYYY/MM/DD')) END
-                AS date,
-                SUM(-(sm.product_qty)) AS product_qty,
-                sm.company_id
-            FROM
-               stock_move as sm
-            LEFT JOIN
-               product_product ON product_product.id = sm.product_id
-            LEFT JOIN
-               stock_location source_location ON sm.location_id = source_location.id
-            LEFT JOIN
-               stock_location dest_location ON sm.location_dest_id = dest_location.id
-            WHERE
-                sm.state IN ('confirmed','partially_available','assigned','waiting') and
-            source_location.usage = 'internal' and dest_location.usage != 'internal'
-            GROUP BY sm.date_expected,sm.product_id, sm.company_id)
-         as MAIN
-     LEFT JOIN
-     (SELECT DISTINCT date
-      FROM
-      (
-             SELECT date_trunc('week', CURRENT_DATE) AS DATE
-             UNION ALL
-             SELECT date_trunc('week', to_date(to_char(sm.date_expected, 'YYYY/MM/DD'), 'YYYY/MM/DD')) AS date
-             FROM stock_move sm
-             LEFT JOIN
-             stock_location source_location ON sm.location_id = source_location.id
-             LEFT JOIN
-             stock_location dest_location ON sm.location_dest_id = dest_location.id
-             WHERE
-             sm.state IN ('confirmed','assigned','waiting') and sm.date_expected > CURRENT_DATE and
-             ((dest_location.usage = 'internal' AND source_location.usage != 'internal')
-              or (source_location.usage = 'internal' AND dest_location.usage != 'internal'))) AS DATE_SEARCH)
-             SUB ON (SUB.date IS NOT NULL)
-    GROUP BY MAIN.product_id,SUB.date, MAIN.date, MAIN.company_id
-    ) AS FINAL
-    GROUP BY product_id,date,company_id)""")
+                (SELECT
+                    DISTINCT date
+                 FROM
+                    (SELECT
+                        date_trunc('day', CURRENT_DATE) AS DATE
+                    UNION ALL
+                    SELECT
+                        date(sm.date_expected) AS date
+                    FROM
+                        stock_move sm
+                    LEFT JOIN
+                        stock_location source_location ON sm.location_id = source_location.id
+                    LEFT JOIN
+                        stock_location dest_location ON sm.location_dest_id = dest_location.id
+                    WHERE
+                        sm.state IN ('confirmed','assigned','waiting') AND
+                        sm.date_expected > CURRENT_DATE AND
+                        ((dest_location.usage = 'internal' AND
+                        source_location.usage != 'internal') OR
+                        (source_location.usage = 'internal' AND
+                        dest_location.usage != 'internal'))
+                    ) AS DATE_SEARCH
+                ) AS SUB ON SUB.date IS NOT NULL
+            GROUP BY
+                MAIN.product_id,SUB.date, MAIN.date, MAIN.company_id,MAIN.reference
+            ) AS FINAL
+        LEFT JOIN
+            stock_picking sp ON final.reference=sp.name
+        WHERE
+            final.product_qty != 0 OR final.reference = 'Starting Inventory'
+        GROUP BY
+            product_id,final.date,final.id,final.company_id,final.reference,sp.priority,sp.date,sp.id)""")
+
+    @api.model
+    def read_group(self, domain, fields, groupby, offset=0, limit=None, orderby=False, lazy=True):
+        """ Override read_group in order to display the correct cumulative
+        quantity. The cumulative quantity for a group of moves/quants
+        should be the last for the selected time interval (given by domain).
+        However select the 'last' record's value in a groupby is not possible
+        (only possible aggregation functions are the ones provided by
+        PostgreSQL). The cumulative quantity is recomputed since a search on
+        each group returned by the super would consume too much time. The
+        cumulative quantity is computed based on previous group.
+        - Group1: sum of the quantity of records in group1.
+        - Group2: cumulative_quantity of group1 + sum of quantity of records in group2
+        - Group3: cumulative_quantity of group2 + sum of quantity of records in group3
+        ...
+        Since read_group depends on domain, some records could be excluded and
+        the computed cumulative quantity could be different than the one computed
+        in SQL. It's wanted since the customer could play with the domain in
+        order to analyze different quantities in different situations.
+        """
+        # Sort result by date_expected and id.
+        orderby = 'date, id' if not orderby else orderby
+        if 'cumulative_quantity' in fields and 'quantity' not in fields:
+            fields.append('quantity')
+        res = super(ReportStockForecat, self).read_group(domain, fields, groupby, offset=offset, limit=limit, orderby=orderby, lazy=lazy)
+        total_cumulative_quantity = 0
+        cumulative_quantity_by_products = {}
+        if 'cumulative_quantity' in fields:
+            for index, line in enumerate(res):
+                # If the stock forecast cell have a 0 quantity the read_group
+                # will not return their sum as 0 but False.
+                if 'quantity' in line and not line['quantity']:
+                    line['quantity'] = 0.0
+                if line.get('product_id'):
+                    product_id = line['product_id']
+                    if not cumulative_quantity_by_products.get(product_id):
+                        cumulative_quantity_by_products[product_id] = 0
+                    cumulative_quantity_by_products[product_id] += line['quantity']  # Get cumulative quantity product wise
+                    line['cumulative_quantity'] = cumulative_quantity_by_products[product_id]  # Sum of all quantities (i.e. cumulative quantity) product wise
+                elif line.get('reference'):
+                    if line['reference'] == 'Starting Inventory':
+                        if index == 0:
+                            line['cumulative_quantity'] = line['quantity']
+                        else:
+                            line['quantity'] = 0.0
+                            line['cumulative_quantity'] = res[index - 1]['cumulative_quantity']  # Set cumulatiove quantity if line does not have any cumulative
+                elif line.get('quantity', False):
+                    total_cumulative_quantity += line['quantity']
+                    line['cumulative_quantity'] = total_cumulative_quantity  # Sum of all Move Operations' quantity
+                else:
+                    line['cumulative_quantity'] = 0
+        return res
diff --git a/addons/stock/report/report_stock_forecast.xml b/addons/stock/report/report_stock_forecast.xml
index 8045b108369..e25e00acd50 100644
--- a/addons/stock/report/report_stock_forecast.xml
+++ b/addons/stock/report/report_stock_forecast.xml
@@ -7,19 +7,10 @@
         <field name="arch" type="xml">
             <pivot string="Stock Level forecast" disable_linking="True">
                 <field name="product_id" type="row"/>
+                <field name="date" type="col"/>
                 <field name="quantity" type="measure"/>
-            </pivot>
-        </field>
-    </record>
-
-    <record id="view_stock_level_forecast_graph" model="ir.ui.view">
-        <field name="name">Stock.forecast.graph</field>
-        <field name="model">report.stock.forecast</field>
-        <field name="arch" type="xml">
-            <graph string="Stock Level forecast" type="line">
-                <field name="product_id" type="col"/>
                 <field name="cumulative_quantity" type="measure"/>
-            </graph>
+            </pivot>
         </field>
     </record>
 
@@ -32,8 +23,10 @@
                 <field name="product_tmpl_id"/>
                 <field name="date"/>
                 <group expand="1" string="Group By">
-                    <filter string="Pivot" name="pivot_by" context="{'pivot_row_groupby': ['product_id'], 'pivot_column_groupby': ['date:week'],'pivot_measures': ['quantity']}"/>
-                    <filter string="Graph" name="graph_by" context="{'graph_groupbys': ['date:week', 'product_id']}"/>
+                    <filter string="Product" name="inventory_by_product" context="{'group_by': 'product_id'}"/>
+                    <filter string="Day" name="inventory_by_day" context="{'pivot_measures': ['quantity', 'cumulative_quantity'], 'pivot_column_groupby': ['date:day'], 'pivot_row_groupby': ['product_id']}"/>
+                    <filter string="Week" name="inventory_by_week" context="{'pivot_measures': ['quantity', 'cumulative_quantity'], 'pivot_column_groupby': ['date:week'], 'pivot_row_groupby': ['product_id']}"/>
+                    <filter string="Month" name="inventory_by_month" context="{'pivot_measures': ['quantity', 'cumulative_quantity'], 'pivot_column_groupby': ['date:month'], 'pivot_row_groupby': ['product_id']}"/>
                 </group>
             </search>
         </field>
@@ -43,9 +36,9 @@
         <field name="name">Stock Level Forecast</field>
         <field name="res_model">report.stock.forecast</field>
         <field name="view_type">form</field>
-        <field name="view_mode">graph,pivot</field>
+        <field name="view_mode">pivot</field>
         <field name="search_view_id" ref="view_stock_level_forecast_filter"/>
-        <field name="context">{'search_default_product_tmpl_id': active_id, 'group_by': ['company_id']}</field>
+        <field name="context">{'search_default_product_tmpl_id': active_id, 'search_default_inventory_by_week':1}</field>
         <field name="view_id" ref="view_stock_level_forecast_pivot"/>
     </record>
 
@@ -53,9 +46,25 @@
         <field name="name">Stock Level Forecast</field>
         <field name="res_model">report.stock.forecast</field>
         <field name="view_type">form</field>
-        <field name="view_mode">graph,pivot</field>
+        <field name="view_mode">pivot</field>
         <field name="search_view_id" ref="view_stock_level_forecast_filter"/>
-        <field name="context">{'search_default_product_id': active_id, 'group_by': ['company_id']}</field>
+        <field name="context">{'search_default_product_id': active_id, 'search_default_inventory_by_week':1}</field>
+        <field name="view_id" ref="view_stock_level_forecast_pivot"/>
+    </record>
+
+    <record id="action_stock_level_forecast_report_all_product" model="ir.actions.act_window">
+        <field name="name">Forecasted Inventory</field>
+        <field name="res_model">report.stock.forecast</field>
+        <field name="view_type">form</field>
+        <field name="view_mode">pivot</field>
+        <field name="search_view_id" ref="view_stock_level_forecast_filter"/>
+        <field name="domain">[('product_id.stock_move_ids.state', 'not in', ('draft', 'done', 'cancel'))]</field>
+        <field name="help" type="html">
+            <p class="o_view_nocontent_empty_folder">
+                There is nothing to forecast yet.
+            </p>
+        </field>
+        <field name="context">{'search_default_inventory_by_week':1, 'create': False}</field>
         <field name="view_id" ref="view_stock_level_forecast_pivot"/>
     </record>
 </odoo>
diff --git a/addons/stock/views/product_views.xml b/addons/stock/views/product_views.xml
index fceaeb301ad..3aea1854604 100644
--- a/addons/stock/views/product_views.xml
+++ b/addons/stock/views/product_views.xml
@@ -210,6 +210,7 @@
                         <button type="action"
                             name="%(stock.action_stock_level_forecast_report_product)d"
                             attrs="{'invisible':[('type', '!=', 'product')]}"
+                            context="{'default_product_id': id}"
                             class="oe_stat_button" icon="fa-building-o">
                             <div class="o_field_widget o_stat_info">
                                 <span class="o_stat_value">
@@ -292,6 +293,7 @@
                         <button type="action"
                             name="%(stock.action_stock_level_forecast_report_template)d"
                             attrs="{'invisible':[('type', '!=', 'product')]}"
+                            context="{'default_product_tmpl_id': id}"
                             class="oe_stat_button" icon="fa-building-o">
                             <div class="o_field_widget o_stat_info">
                                 <span class="o_stat_value">
@@ -383,6 +385,7 @@
     <menuitem id="product_product_menu" name="Product Variants" action="stock_product_normal_action"
         parent="menu_stock_inventory_control" sequence="2" groups="product.group_product_variant"/>
     <menuitem id="menu_product_packagings" name="Product Packagings" parent="stock.menu_product_in_config_stock" action="product.action_packaging_view" groups="product.group_stock_packaging"/>
+    <menuitem id="menu_forecast_inventory" name="Forecasted Inventory" parent="stock.menu_warehouse_report" sequence="101" action="stock.action_stock_level_forecast_report_all_product"/>
 
     </data>
 </odoo>