diff --git a/src/pretix/base/migrations/0190_quota_ignore_for_event_availability.py b/src/pretix/base/migrations/0190_quota_ignore_for_event_availability.py
new file mode 100644
index 0000000000..304345d9fc
--- /dev/null
+++ b/src/pretix/base/migrations/0190_quota_ignore_for_event_availability.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.3 on 2021-05-27 09:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('pretixbase', '0189_auto_20210525_1311'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='quota',
+            name='ignore_for_event_availability',
+            field=models.BooleanField(default=False),
+        ),
+    ]
diff --git a/src/pretix/base/models/event.py b/src/pretix/base/models/event.py
index 16b2efd825..4b3a965000 100644
--- a/src/pretix/base/models/event.py
+++ b/src/pretix/base/models/event.py
@@ -260,7 +260,9 @@ class EventMixin:
             Prefetch(
                 'quotas',
                 to_attr='active_quotas',
-                queryset=Quota.objects.using(settings.DATABASE_REPLICA).annotate(
+                queryset=Quota.objects.using(settings.DATABASE_REPLICA).filter(
+                    ignore_for_event_availability=False
+                ).annotate(
                     active_items=Subquery(sq_active_item, output_field=models.TextField()),
                     active_variations=Subquery(sq_active_variation, output_field=models.TextField()),
                 ).exclude(
diff --git a/src/pretix/base/models/items.py b/src/pretix/base/models/items.py
index 6204bc666d..5f9f24c657 100644
--- a/src/pretix/base/models/items.py
+++ b/src/pretix/base/models/items.py
@@ -1517,6 +1517,14 @@ class Quota(LoggedModel):
         verbose_name=_("Variations")
     )
 
+    ignore_for_event_availability = models.BooleanField(
+        verbose_name=_('Ignore this quota when determining event availability'),
+        help_text=_('If you enable this, this quota will be ignored when determining event availability in your event calendar. '
+                    'This is useful e.g. for merchandise that is added to each event but should not stop the event from being shown '
+                    'as sold out.'),
+        default=False,
+    )
+
     close_when_sold_out = models.BooleanField(
         verbose_name=_('Close this quota permanently once it is sold out'),
         help_text=_('If you enable this, when the quota is sold out once, no more tickets will be sold, '
diff --git a/src/pretix/control/forms/item.py b/src/pretix/control/forms/item.py
index dc20384ef0..bdc5e34a96 100644
--- a/src/pretix/control/forms/item.py
+++ b/src/pretix/control/forms/item.py
@@ -244,6 +244,7 @@ class QuotaForm(I18nModelForm):
             'subevent',
             'close_when_sold_out',
             'release_after_exit',
+            'ignore_for_event_availability',
         ]
         field_classes = {
             'subevent': SafeModelChoiceField,
diff --git a/src/pretix/control/templates/pretixcontrol/items/quota_edit.html b/src/pretix/control/templates/pretixcontrol/items/quota_edit.html
index 9221b673cd..246493cdaf 100644
--- a/src/pretix/control/templates/pretixcontrol/items/quota_edit.html
+++ b/src/pretix/control/templates/pretixcontrol/items/quota_edit.html
@@ -41,6 +41,7 @@
             <legend>{% trans "Advanced options" %}</legend>
             {% bootstrap_field form.close_when_sold_out layout="control" %}
             {% bootstrap_field form.release_after_exit layout="control" %}
+            {% bootstrap_field form.ignore_for_event_availability layout="control" %}
         </fieldset>
         <div class="form-group submit-group">
             <button type="submit" class="btn btn-primary btn-save">
diff --git a/src/pretix/control/templates/pretixcontrol/items/quotas.html b/src/pretix/control/templates/pretixcontrol/items/quotas.html
index 447658623b..8e643f2b5d 100644
--- a/src/pretix/control/templates/pretixcontrol/items/quotas.html
+++ b/src/pretix/control/templates/pretixcontrol/items/quotas.html
@@ -66,6 +66,9 @@
                     <tr>
                         <td>
                             <strong><a href="{% url "control:event.items.quotas.show" organizer=request.event.organizer.slug event=request.event.slug quota=q.id %}">{{ q.name }}</a></strong>
+                            {% if q.ignore_for_event_availability %}
+                                <span class="fa fa-eye-slash text-muted" data-toggle="tooltip" title="{% trans "Ignore this quota when determining event availability" %}"></span>
+                            {% endif %}
                         </td>
                         <td>
                             <ul>
diff --git a/src/pretix/control/templates/pretixcontrol/subevents/bulk.html b/src/pretix/control/templates/pretixcontrol/subevents/bulk.html
index 1b581d1d8d..e113b6abfb 100644
--- a/src/pretix/control/templates/pretixcontrol/subevents/bulk.html
+++ b/src/pretix/control/templates/pretixcontrol/subevents/bulk.html
@@ -442,6 +442,7 @@
                                 {% bootstrap_field form.size layout="control" %}
                                 {% bootstrap_field form.itemvars layout="control" %}
                                 {% bootstrap_field form.release_after_exit layout="control" %}
+                                {% bootstrap_field form.ignore_for_event_availability layout="control" %}
                             </div>
                         </div>
                     {% endfor %}
@@ -470,6 +471,7 @@
                                 {% bootstrap_field formset.empty_form.size layout="control" %}
                                 {% bootstrap_field formset.empty_form.itemvars layout="control" %}
                                 {% bootstrap_field formset.empty_form.release_after_exit layout="control" %}
+                                {% bootstrap_field formset.empty_form.ignore_for_event_availability layout="control" %}
                             </div>
                         </div>
                     {% endescapescript %}
diff --git a/src/pretix/control/templates/pretixcontrol/subevents/bulk_edit.html b/src/pretix/control/templates/pretixcontrol/subevents/bulk_edit.html
index 6f264df613..b87c73bd1b 100644
--- a/src/pretix/control/templates/pretixcontrol/subevents/bulk_edit.html
+++ b/src/pretix/control/templates/pretixcontrol/subevents/bulk_edit.html
@@ -221,6 +221,7 @@
                                         {% bootstrap_field form.size layout="control" %}
                                         {% bootstrap_field form.itemvars layout="control" %}
                                         {% bootstrap_field form.release_after_exit layout="control" %}
+                                        {% bootstrap_field form.ignore_for_event_availability layout="control" %}
                                     </div>
                                 </div>
                             {% endfor %}
@@ -249,6 +250,7 @@
                                         {% bootstrap_field formset.empty_form.size layout="control" %}
                                         {% bootstrap_field formset.empty_form.itemvars layout="control" %}
                                         {% bootstrap_field formset.empty_form.release_after_exit layout="control" %}
+                                        {% bootstrap_field formset.empty_form.ignore_for_event_availability layout="control" %}
                                     </div>
                                 </div>
                             {% endescapescript %}
diff --git a/src/pretix/control/templates/pretixcontrol/subevents/detail.html b/src/pretix/control/templates/pretixcontrol/subevents/detail.html
index 047f95da5a..4ff26d0bde 100644
--- a/src/pretix/control/templates/pretixcontrol/subevents/detail.html
+++ b/src/pretix/control/templates/pretixcontrol/subevents/detail.html
@@ -84,6 +84,7 @@
                                         {% bootstrap_field form.size layout="control" %}
                                         {% bootstrap_field form.itemvars layout="control" %}
                                         {% bootstrap_field form.release_after_exit layout="control" %}
+                                        {% bootstrap_field form.ignore_for_event_availability layout="control" %}
                                     </div>
                                 </div>
                             {% endfor %}
@@ -112,6 +113,7 @@
                                         {% bootstrap_field formset.empty_form.size layout="control" %}
                                         {% bootstrap_field formset.empty_form.itemvars layout="control" %}
                                         {% bootstrap_field formset.empty_form.release_after_exit layout="control" %}
+                                        {% bootstrap_field formset.empty_form.ignore_for_event_availability layout="control" %}
                                     </div>
                                 </div>
                             {% endescapescript %}