Update version to 6.1.1 across all files

Author: MeridianAlgo-Developer

README.md

@@ -4,7 +4,7 @@
 
 [![Python Version](https://img.shields.io/badge/python-3.8%2B-blue.svg)](https://www.python.org/downloads/)
 [![License](https://img.shields.io/badge/license-MIT-green.svg)](LICENSE)
-[![PyPI Version](https://img.shields.io/badge/pypi-6.0.0-orange.svg)](https://pypi.org/project/meridianalgo/)
+[![PyPI Version](https://img.shields.io/badge/pypi-6.1.1-orange.svg)](https://pypi.org/project/meridianalgo/)
 [![Tests](https://img.shields.io/badge/tests-300%2B%20passing-brightgreen.svg)](tests/)
 
 MeridianAlgo is a comprehensive Python platform designed for institutional-grade quantitative finance. It provides a robust suite of tools for trading research, portfolio analytics, liquidity analysis, options pricing, and high-frequency execution. 
@@ -153,7 +153,7 @@ If you use MeridianAlgo in your research or business, please cite it:
   title = {MeridianAlgo: The Complete Quantitative Finance Platform},
   author = {Meridian Algorithmic Research Team},
   year = {2026},
-  version = {6.0.0},
+  version = {6.1.1},
   url = {https://github.com/MeridianAlgo/Python-Packages}
 }
 ```

examples/comprehensive_examples.py

@@ -1,5 +1,5 @@
 """
-MeridianAlgo v6.0.0 - Comprehensive Examples
+MeridianAlgo v6.1.1 - Comprehensive Examples
 
 Demonstrates all major features of the package including:
 - Portfolio Analytics (Pyfolio-style)
@@ -25,7 +25,7 @@
 )
 
 print("=" * 70)
-print("MeridianAlgo v6.0.0 - Comprehensive Examples")
+print("MeridianAlgo v6.1.1 - Comprehensive Examples")
 print("=" * 70)
 
 
@@ -398,7 +398,7 @@
 
 print(
     """
-MeridianAlgo v6.0.0 provides:
+MeridianAlgo v6.1.1 provides:
 
  Portfolio Analytics
    - 50+ performance metrics (Sharpe, Sortino, Calmar, etc.)

meridianalgo/__init__.py

@@ -1,5 +1,5 @@
 """
-MeridianAlgo v6.1.0 - The Complete Quantitative Finance Platform
+MeridianAlgo v6.1.1 - The Complete Quantitative Finance Platform
 
 A comprehensive, institutional-grade Python library for quantitative finance
 covering everything from trading research to portfolio analytics to derivatives.
@@ -32,10 +32,10 @@
 
 Built by MeridianAlgo for quantitative professionals.
 
-Version: 6.1.0 "Institutional Edition"
+Version: 6.1.1 "Institutional Edition"
 """
 
-__version__ = "6.1.0"
+__version__ = "6.1.1"
 __author__ = "Meridian Algorithmic Research Team"
 __email__ = "support@meridianalgo.com"
 __license__ = "MIT"

setup.py

@@ -28,7 +28,7 @@ def read_requirements(filename):
 
 setup(
     name="meridianalgo",
-    version="6.1.0",
+    version="6.1.1",
     author="Meridian Algorithmic Research Team",
     author_email="support@meridianalgo.com",
     description="MeridianAlgo - The Complete Quantitative Finance Platform for Professional Developers",