From 2e3ed927da281d1c89a16bea369c8d37d2b17181 Mon Sep 17 00:00:00 2001
From: moshferatu <moshferatu@moshferatu.dev>
Date: Mon, 28 Oct 2024 11:27:03 -0700
Subject: [PATCH] Add new 2-Period RSI signal generation script which follows
 the new expected strategy template

---
 strategies/two_period_rsi.py | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 strategies/two_period_rsi.py

diff --git a/strategies/two_period_rsi.py b/strategies/two_period_rsi.py
new file mode 100644
index 0000000..a55a3b4
--- /dev/null
+++ b/strategies/two_period_rsi.py
@@ -0,0 +1,35 @@
+import numpy as np
+
+from pandas import DataFrame, Series
+
+def calculate_moving_average(data: DataFrame, window: int = 200) -> Series:
+    """
+    Calculate the 200-period moving average and return it as a Series without modifying the original DataFrame.
+    """
+    return data['Close'].rolling(window = window).mean()
+
+def calculate_rsi(data: DataFrame, period: int = 2) -> Series:
+    """
+    Calculate the 2-period RSI and return it as a Series without modifying the original DataFrame.
+    """
+    delta = data['Close'].diff()
+    gain = np.where(delta > 0, delta, 0)
+    loss = np.where(delta < 0, -delta, 0)
+
+    alpha = 1 / period
+    avg_gain = Series(gain).ewm(alpha = alpha, adjust = False).mean()
+    avg_loss = Series(loss).ewm(alpha = alpha, adjust = False).mean()
+
+    rs = avg_gain / avg_loss
+    return 100 - (100 / (1 + rs))
+
+def signals(data: DataFrame) -> Series:
+    """
+    Calculate signals based on the 200-period MA and 2-period RSI.
+    Returns a Series with 'Long' for signals and 'None' otherwise, without modifying the original DataFrame.
+    """
+    ma_200 = calculate_moving_average(data)
+    rsi_2 = calculate_rsi(data)
+
+    conditions = (data['Close'] > ma_200) & (rsi_2 < 5)
+    return Series(np.where(conditions, 'Long', 'None'), index = data.index)
\ No newline at end of file