diff --git a/.gitignore b/.gitignore
index 61b39c6..ea643cd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -20,18 +20,17 @@ dist/
 # Project-specific ignores
 # -----------------------------------------------------------------------------
 
-# Generated HTML reports (timestamped outputs)
+# Generated HTML reports (all HTML in output folder and subfolders)
+output/**/*.html
 output/*.html
 
 # Custom data imports (user-provided files)
 data/import/
 
-# Cached price data (regenerated on run)
-data/prices.parquet
-.parquet 
-
-# Private documentation
-docs/private/
+# Cached price data (all parquet files in data folder and subfolders)
+data/**/*.parquet
+data/*.parquet
+data/*.csv
 
 # -----------------------------------------------------------------------------
 # Environments
@@ -40,6 +39,7 @@ docs/private/
 .venv
 venv/
 env/
+docs/private/
 
 # -----------------------------------------------------------------------------
 # Testing & Coverage
diff --git a/config.yaml b/config.yaml
index 045a5d2..6d154d2 100644
--- a/config.yaml
+++ b/config.yaml
@@ -85,4 +85,4 @@ hypothesis:
 rebalancing:
   frequency: "quarterly"  # Options: daily, weekly, monthly, quarterly, annual
   method: "calendar"      # calendar = rebalance at end of period
-  trading_fee_bps: 10     # Trading cost in basis points per turnover (10 bps = 0.10%)
+  trading_fee_bps: 25     # Trading cost in basis points per turnover (10 bps = 0.10%)
diff --git a/data/prices_metadata.csv b/data/prices_metadata.csv
deleted file mode 100644
index bfcfb6b..0000000
--- a/data/prices_metadata.csv
+++ /dev/null
@@ -1,6 +0,0 @@
-,0
-start_date,2000-01-01
-end_date,2025-12-09
-n_assets,9
-n_periods,4454
-date_range,2008-03-28 to 2025-12-08
diff --git a/data/risk_free_rate.parquet b/data/risk_free_rate.parquet
deleted file mode 100644
index a4bfc1e..0000000
Binary files a/data/risk_free_rate.parquet and /dev/null differ