diff --git a/benchmarks/hyperliquid-frontends.yml b/benchmarks/hyperliquid-frontends.yml
index 5e4f507c8..907f1b3b7 100644
--- a/benchmarks/hyperliquid-frontends.yml
+++ b/benchmarks/hyperliquid-frontends.yml
@@ -1504,6 +1504,19 @@ providers:
       success: (hl_frontend_local_last_tick_unix_v2 > bool (time() - 7200))
       sample_size: hl_frontend_fills_total_24h_v2{builder="perpex"}
       series: hl_frontend_fees_usd_24h_v2{builder="perpex"}
+
+  - slug: afterbell
+    name: Afterbell
+    tag: Hyperliquid builder code, USD revenue on the last complete UTC day
+    formula: "USD builder fees collected on the last complete UTC day, summed across every attributed fill in the daily feed file for Afterbell's builder address."
+    queries:
+      p50: hl_frontend_fees_usd_24h_v2{builder="afterbell"}
+      p90: hl_frontend_volume_usd_24h_v2{builder="afterbell"}
+      p99: hl_frontend_fees_per_user_usd_v2{builder="afterbell"}
+      mean: avg_over_time(hl_frontend_fees_usd_24h_v2{builder="afterbell"}[7d])
+      success: (hl_frontend_local_last_tick_unix_v2 > bool (time() - 7200))
+      sample_size: hl_frontend_fills_total_24h_v2{builder="afterbell"}
+      series: hl_frontend_fees_usd_24h_v2{builder="afterbell"}
 metric_panels:
   - id: volume
     label: Volume routed
diff --git a/harnesses/hyperliquid-frontends/builders.json b/harnesses/hyperliquid-frontends/builders.json
index 10e1ea212..4722bdb48 100644
--- a/harnesses/hyperliquid-frontends/builders.json
+++ b/harnesses/hyperliquid-frontends/builders.json
@@ -744,5 +744,12 @@
     "address": "0x495a2c91b4173d979150ba108e2d80ce0145a7de",
     "valid_from": "2026-03-14",
     "notes": "Perpex (perpex.co, by Celebit Ltd), a Hyperliquid trading front-end on web, iOS and Android. Builder address and fee from the operator: 0.10% of eligible filled notional, including copied orders, published at perpex.co/fees. valid_from is the first day the public fills bucket returns a file, checked day by day from 2025-01-01 on 2026-10-23: 139 days have one, the earliest 2026-03-14. Hyperliquid's referral info for the address reports about $788 of builderRewards."
+  },
+  {
+    "slug": "afterbell",
+    "name": "Afterbell",
+    "address": "0xda5584eb1dff6ee2ae383b077b4dca9c0df1d4f6",
+    "valid_from": "2026-11-04",
+    "notes": "Afterbell (afterbell.pro), a Hyperliquid trading front-end for stock, index and commodity perps (HIP-3) and crypto perps, each stock perp read against its home exchange's session. Builder address and fee from the operator; the live site bundle carries the same address and Hyperliquid's referral info gives it the code AFTERBELL. Fee published at afterbell.pro/fees: 0.03% standard; 0.015%, 0.01% and 0.008% from $10M, $50M and $250M of 30-day volume; 0.005% for a wallet's first 30 days; 0.04% on copied fills; 0.001% on every order until 2026-12-31. valid_from is the first day the public fills bucket returns a file, checked day by day from 2026-10-01 on 2026-11-08: 3 days have one, the earliest 2026-11-04, for 10 fills, $849 of notional and $0.011 of builder fees in total, all from one wallet, the builder address itself. Its first builder fill was 2026-11-03 at 20:16 UTC, after that day's export cutoff."
   }
 ]
diff --git a/public/logos/afterbell.png b/public/logos/afterbell.png
new file mode 100644
index 000000000..77396c649
Binary files /dev/null and b/public/logos/afterbell.png differ
diff --git a/src/data/provider-registry.ts b/src/data/provider-registry.ts
index 223dd6eaf..bfd6838d2 100644
--- a/src/data/provider-registry.ts
+++ b/src/data/provider-registry.ts
@@ -2255,6 +2255,12 @@ export const PROVIDER_REGISTRY: Record<string, ProviderRegistryEntry> = {
     description:
       "Perpex is a third-party Hyperliquid trading front-end by Celebit Ltd on web, iOS and Android, covering perps, spot, HIP-3 and HIP-4 outcome markets and copy trading of public wallets, with a 0.10% builder fee on eligible fills.",
   },
+  afterbell: {
+    url: "https://afterbell.pro",
+    description:
+      "Afterbell is a Hyperliquid trading front-end for stock, index and commodity perps (HIP-3) and crypto perps that reads each stock perp against its home exchange's session; its orders carry a registered builder code (Hyperliquid referral code AFTERBELL) at 0.03% standard, lower by 30-day volume.",
+    twitter: "@Afterbell_pro",
+  },
 
   // ─── Perp funding venues (bench № 036) ─────────────────────────────
   bybit: {
diff --git a/src/lib/logo-manifest.ts b/src/lib/logo-manifest.ts
index f5336a502..a80588dc2 100644
--- a/src/lib/logo-manifest.ts
+++ b/src/lib/logo-manifest.ts
@@ -636,6 +636,7 @@ const RAW: Record<string, string> = {
   "binance-us": "/logos/binance-us.svg",
   cryptocom: "/logos/cryptocom.svg",
   // ─── Hyperliquid frontends (bench № 030) ───
+  afterbell: "/logos/afterbell.png",
   "nova-markets": "/logos/nova-markets.jpeg",
   "phantom-perps": "/logos/phantom-perps.svg",
   // ─── Terminal fill quality (bench № 268): the wallets' in-app swap ───
diff --git a/src/lib/providers.ts b/src/lib/providers.ts
index 013158e10..751a10d29 100644
--- a/src/lib/providers.ts
+++ b/src/lib/providers.ts
@@ -949,7 +949,9 @@ const buildProvidersCached = unstable_cache(
   //      that appearance. Lockstep with bench-unfiltered-v115.
   // v32: BlockVectra gains two appearances, ethereum-rpc and arbitrum-rpc.
   //      Lockstep with bench-unfiltered-v116.
-  ["providers-v32"],
+  // v33: Afterbell gains its first appearance, bench 030.
+  //      Lockstep with bench-unfiltered-v117.
+  ["providers-v33"],
   // 900 s: the provider index feeds products / compare / answers, whose
   // numbers move slowly, and this revalidate is also the effective ISR
   // period of those ~500 pages (Next takes the min across a route's caches).
diff --git a/src/lib/spec-provider-set.test.ts b/src/lib/spec-provider-set.test.ts
index 768ec21f2..3a34b9f56 100644
--- a/src/lib/spec-provider-set.test.ts
+++ b/src/lib/spec-provider-set.test.ts
@@ -115,6 +115,6 @@ describe("the provider set behind the cache keys", () => {
         "Then set EXPECTED to the hash in this failure, and add the provider",
         `to PRODUCT_NAMES if it needs a display name. Providers now: ${count}.`,
       ].join("\n"),
-    ).toBe("c96bf5534dd9dc77");
+    ).toBe("7e83b3a6fb29832f");
   });
 });
diff --git a/src/lib/spec.ts b/src/lib/spec.ts
index a9901b765..f5229436a 100644
--- a/src/lib/spec.ts
+++ b/src/lib/spec.ts
@@ -601,7 +601,11 @@ const loadBenchmarkUnfilteredCached = unstable_cache(
   //       arbitrum-rpc (issue #3573), one more public row on each. Cached
   //       entries hold the old provider set. Moves with all-benchmarks-v109,
   //       bench-filters-v55 and providers-v32.
-  ["bench-unfiltered-v116", process.env.VERCEL_ENV === "production" ? "prod" : "all"],
+  // v117: Afterbell joins bench 030 as a builder row (#3578). Cached
+  //       entries hold the old provider set. Moves with all-benchmarks-v110
+  //       and providers-v33; bench 030 declares no dimensions, so
+  //       bench-filters stays.
+  ["bench-unfiltered-v117", process.env.VERCEL_ENV === "production" ? "prod" : "all"],
   { revalidate: 300, tags: ["benchmarks"] },
 );
 
@@ -879,7 +883,8 @@ const loadAllBenchmarksCached = unstable_cache(
   //       retired 2026-11-06; a cached catalog would keep linking them).
   // v109: lockstep with bench-unfiltered-v116 (BlockVectra on Ethereum and
   //       Arbitrum).
-  ["all-benchmarks-v109", process.env.VERCEL_ENV === "production" ? "prod" : "all"],
+  // v110: lockstep with bench-unfiltered-v117 (Afterbell on bench 030).
+  ["all-benchmarks-v110", process.env.VERCEL_ENV === "production" ? "prod" : "all"],
   { revalidate: 300, tags: ["benchmarks"] },
 );
 export const loadAllBenchmarks = cache(loadAllBenchmarksCached);