diff --git a/static/gsApp/views/amCheckout/reserveAdditionalVolume.spec.tsx b/static/gsApp/views/amCheckout/reserveAdditionalVolume.spec.tsx
index ea7fdcab3a49a4..19208f037099a6 100644
--- a/static/gsApp/views/amCheckout/reserveAdditionalVolume.spec.tsx
+++ b/static/gsApp/views/amCheckout/reserveAdditionalVolume.spec.tsx
@@ -8,7 +8,7 @@ import {render, screen, userEvent} from 'sentry-test/reactTestingLibrary';
 
 import {MONTHLY} from 'getsentry/constants';
 import SubscriptionStore from 'getsentry/stores/subscriptionStore';
-import {PlanTier} from 'getsentry/types';
+import {PlanTier, type Subscription} from 'getsentry/types';
 import ReserveAdditionalVolume from 'getsentry/views/amCheckout/reserveAdditionalVolume';
 
 type SliderInfo = {
@@ -201,26 +201,17 @@ describe('ReserveAdditionalVolume', () => {
       const transactions = screen.getByTestId('transactions-volume-item').textContent;
       expect(transactions).not.toContain('Sentry Performance');
     });
-
-    it('can hide sliders', async () => {
-      render(<ReserveAdditionalVolume {...stepProps} />);
-      await openSection();
-      expect(screen.getByTestId('errors-volume-item')).toBeInTheDocument();
-      await closeSection();
-      expect(screen.queryByTestId('errors-volume-item')).not.toBeInTheDocument();
-    });
   });
 
   describe('Modern Plans', () => {
     const {organization} = initializeOrg();
-    const subscription = SubscriptionFixture({organization});
+    let subscription: Subscription;
 
     const billingConfig = BillingConfigFixture(PlanTier.AM3);
     const bizPlanMonthly = PlanDetailsLookupFixture('am3_business')!;
 
-    const stepProps = {
+    const stepProps: any = {
       checkoutTier: PlanTier.AM3,
-      subscription,
       isActive: true,
       stepNumber: 2,
       onUpdate: jest.fn(),
@@ -238,6 +229,8 @@ describe('ReserveAdditionalVolume', () => {
     };
 
     beforeEach(() => {
+      subscription = SubscriptionFixture({organization});
+      stepProps.subscription = subscription;
       SubscriptionStore.set(organization.slug, subscription);
       MockApiClient.addMockResponse({
         url: `/customers/${organization.slug}/plan-migrations/?applied=0`,
@@ -304,5 +297,12 @@ describe('ReserveAdditionalVolume', () => {
       await closeSection();
       expect(screen.queryByTestId('errors-volume-item')).not.toBeInTheDocument();
     });
+
+    it('auto-shows sliders if customer has reserved volume above platform', () => {
+      const paidSub = SubscriptionFixture({organization, plan: 'am3_business'});
+      paidSub.categories.errors!.reserved = 100_000;
+      render(<ReserveAdditionalVolume {...stepProps} subscription={paidSub} />);
+      expect(screen.getByTestId('errors-volume-item')).toBeInTheDocument();
+    });
   });
 });
diff --git a/static/gsApp/views/amCheckout/reserveAdditionalVolume.tsx b/static/gsApp/views/amCheckout/reserveAdditionalVolume.tsx
index 8b1d65277b9a44..8c0c1b5a8d075c 100644
--- a/static/gsApp/views/amCheckout/reserveAdditionalVolume.tsx
+++ b/static/gsApp/views/amCheckout/reserveAdditionalVolume.tsx
@@ -11,11 +11,11 @@ import {t} from 'sentry/locale';
 import type {DataCategory} from 'sentry/types/core';
 
 import {PlanTier} from 'getsentry/types';
-import {isAmPlan} from 'getsentry/utils/billing';
+import {isAmPlan, isDeveloperPlan} from 'getsentry/utils/billing';
 import trackGetsentryAnalytics from 'getsentry/utils/trackGetsentryAnalytics';
 import VolumeSliders from 'getsentry/views/amCheckout/steps/volumeSliders';
 import type {StepProps} from 'getsentry/views/amCheckout/types';
-import {formatPrice, getShortInterval} from 'getsentry/views/amCheckout/utils';
+import {formatPrice, getBucket, getShortInterval} from 'getsentry/views/amCheckout/utils';
 
 function ReserveAdditionalVolume({
   organization,
@@ -33,7 +33,24 @@ function ReserveAdditionalVolume({
   | 'formData'
   | 'onUpdate'
 >) {
-  const [showSliders, setShowSliders] = useState(false);
+  // if the customer has any reserved volume above platform already, auto-show the sliders
+  const [showSliders, setShowSliders] = useState<boolean>(
+    isDeveloperPlan(subscription.planDetails)
+      ? false
+      : Object.values(subscription.categories ?? {})
+          .filter(
+            ({category}) =>
+              activePlan.checkoutCategories.includes(category) &&
+              category in activePlan.planCategories
+          )
+          .some(
+            ({category, reserved}) =>
+              getBucket({
+                buckets: activePlan.planCategories[category],
+                events: reserved ?? 0,
+              }).price > 0
+          )
+  );
   const reservedVolumeTotal = useMemo(() => {
     return Object.entries(formData.reserved).reduce((acc, [category, value]) => {
       const bucket = activePlan.planCategories?.[category as DataCategory]?.find(