From cc0c466cab9ff088a618f48b7efdf93c8932bea0 Mon Sep 17 00:00:00 2001
From: Anthony Tsang <tsang@antho.com>
Date: Thu, 21 Oct 2021 15:58:59 +0900
Subject: [PATCH] Fix required length for stoch and stochrsi

---
 pandas_ta/momentum/stoch.py    | 2 +-
 pandas_ta/momentum/stochrsi.py | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/pandas_ta/momentum/stoch.py b/pandas_ta/momentum/stoch.py
index 823c332..b21c514 100644
--- a/pandas_ta/momentum/stoch.py
+++ b/pandas_ta/momentum/stoch.py
@@ -10,7 +10,7 @@ def stoch(high, low, close, k=None, d=None, smooth_k=None, mamode=None, offset=N
     k = k if k and k > 0 else 14
     d = d if d and d > 0 else 3
     smooth_k = smooth_k if smooth_k and smooth_k > 0 else 3
-    _length = max(k, d, smooth_k)
+    _length = k + d + smooth_k
     high = verify_series(high, _length)
     low = verify_series(low, _length)
     close = verify_series(close, _length)
diff --git a/pandas_ta/momentum/stochrsi.py b/pandas_ta/momentum/stochrsi.py
index 0841484..9bd7538 100644
--- a/pandas_ta/momentum/stochrsi.py
+++ b/pandas_ta/momentum/stochrsi.py
@@ -12,7 +12,7 @@ def stochrsi(close, length=None, rsi_length=None, k=None, d=None, mamode=None, o
     rsi_length = rsi_length if rsi_length and rsi_length > 0 else 14
     k = k if k and k > 0 else 3
     d = d if d and d > 0 else 3
-    close = verify_series(close, max(length, rsi_length, k, d))
+    close = verify_series(close, length + rsi_length + k + d)
     offset = get_offset(offset)
     mamode = mamode if isinstance(mamode, str) else "sma"