ENH #163 Adding Price Volume indicator

pandas_ta/core.py

@@ -1547,6 +1547,13 @@ class AnalysisIndicators(BasePandasObject):
         result = pvol(close=close, volume=volume, offset=offset, **kwargs)
         return self._post_process(result, **kwargs)
 
+    def pvr(self, **kwargs):
+        close = self._get_column(kwargs.pop("close", "close"))
+        volume = self._get_column(kwargs.pop("volume", "volume"))
+
+        result = pvr(close=close, volume=volume)
+        return self._post_process(result, **kwargs)
+
     def pvt(self, offset=None, **kwargs):
         close = self._get_column(kwargs.pop("close", "close"))
         volume = self._get_column(kwargs.pop("volume", "volume"))

pandas_ta/volume/__init__.py

@@ -10,5 +10,6 @@ from .nvi import nvi
 from .obv import obv
 from .pvi import pvi
 from .pvol import pvol
+from .pvr import pvr
 from .pvt import pvt
 from .vp import vp

tests/test_indicator_volume.py

@@ -134,6 +134,16 @@ class TestVolume(TestCase):
         self.assertIsInstance(result, Series)
         self.assertEqual(result.name, "PVOL")
 
+    def test_pvr(self):
+        result = pandas_ta.pvr(self.close, self.volume_)
+        self.assertIsInstance(result, Series)
+        self.assertEqual(result.name, "PVR")
+        # sample indicator values from SPY
+        self.assertEqual(result[0], 1)
+        self.assertEqual(result[1], 3)
+        self.assertEqual(result[4], 2)
+        self.assertEqual(result[6], 4)
+
     def test_pvt(self):
         result = pandas_ta.pvt(self.close, self.volume_)
         self.assertIsInstance(result, Series)