diff --git a/pkgs/development/python-modules/arch/default.nix b/pkgs/development/python-modules/arch/default.nix
new file mode 100644
index 000000000000..f3c14da682eb
--- /dev/null
+++ b/pkgs/development/python-modules/arch/default.nix
@@ -0,0 +1,64 @@
+{
+  lib,
+  buildPythonPackage,
+  fetchFromGitHub,
+  cython,
+  numpy,
+  pandas,
+  property-cached,
+  pytestCheckHook,
+  scipy,
+  setuptools,
+  setuptools-scm,
+  statsmodels,
+}:
+
+buildPythonPackage rec {
+  pname = "arch";
+  version = "7.2.0";
+  pyproject = true;
+
+  src = fetchFromGitHub {
+    owner = "bashtage";
+    repo = "arch";
+    tag = "v${version}";
+    hash = "sha256-3H/6mdPg8rg+N1wecqLDzc7Ot3SnUVpOagns4PsTD/Q=";
+  };
+
+  postPatch = ''
+    substituteInPlace setup.cfg \
+      --replace 'PytestRemovedIn8Warning' 'PytestRemovedIn9Warning'
+  '';
+
+  build-system = [
+    setuptools
+    setuptools-scm
+    cython
+  ];
+
+  dependencies = [
+    numpy
+    pandas
+    property-cached
+    scipy
+    statsmodels
+  ];
+
+  nativeCheckInputs = [ pytestCheckHook ];
+
+  disabledTestPaths = [
+    # Skip long-running/failing tests
+    "arch/tests/univariate/test_forecast.py"
+    "arch/tests/univariate/test_mean.py"
+  ];
+
+  pythonImportsCheck = [ "arch" ];
+
+  meta = {
+    description = "Autoregressive Conditional Heteroskedasticity (ARCH) and other tools for financial econometrics";
+    homepage = "https://github.com/bashtage/arch";
+    changelog = "https://github.com/bashtage/arch/releases/tag/v${version}";
+    license = lib.licenses.mit;
+    maintainers = with lib.maintainers; [ jherland ];
+  };
+}
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 5d3262b216a4..28b557ee90a5 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -837,6 +837,8 @@ self: super: with self; {
 
   arcam-fmj = callPackage ../development/python-modules/arcam-fmj { };
 
+  arch = callPackage ../development/python-modules/arch { };
+
   archinfo = callPackage ../development/python-modules/archinfo { };
 
   archspec = callPackage ../development/python-modules/archspec { };