Add new alpha

Author: Breta01

Makefile

@@ -1,7 +1,7 @@
 .PHONY: help install lint clean test
 
 # You can specify exact version of python3 or venv name as environment variable
-PYTHON_VERSION?=python3.10
+PYTHON_VERSION?=python3.11
 VENV_NAME?=venv
 
 SRC_DIR=brain

brain/alphas/alpha_15.py

@@ -0,0 +1,20 @@
+# Code
+code = """
+-ts_zscore(fn_liab_fair_val_l2_a, 120)
+"""
+
+# Simulation Settings
+config = {
+    "region": "USA",
+    "universe": "TOP3000",
+    "decay": 0,
+    "delay": 1,
+    "truncation": 0.01,
+    "neutralization": "SUBINDUSTRY",
+    "pasteurization": "ON",
+    "nan_handling": "OFF",
+    "unit_handling": "VERIFY",
+}
+
+# Score
+# TBA

requirements.txt

@@ -1,5 +1,6 @@
 langchain[google-genai,openai]
 langgraph
+langmem
 pandas
 python-dotenv
 requests