diff --git a/.Jules/palette.md b/.Jules/palette.md
index 8ee612f..891d0dc 100644
--- a/.Jules/palette.md
+++ b/.Jules/palette.md
@@ -12,3 +12,7 @@
 ## 2025-03-23 - Game Key Scrolling
 **Learning:** Browsers natively scroll the page when users press Space or Arrow keys. When building a web-based game, this creates a frustrating UX where the game viewport jumps around while playing.
 **Action:** Always call `e.preventDefault()` on keydown events for typical game controls ("Space", "ArrowUp", etc.) when the focus is on a game container or the body.
+
+## 2025-03-23 - Cognitive Load in CLI Financial Outputs
+**Learning:** Large numbers without thousands separators in CLI outputs significantly increase cognitive load and reduce readability for users.
+**Action:** Always use thousands separators (e.g., `:,2f`) when formatting large financial or numerical values in console output to improve accessibility and parsing speed.
diff --git a/bitcoin_trading_simulation.py b/bitcoin_trading_simulation.py
index 0d46e73..7e9b423 100644
--- a/bitcoin_trading_simulation.py
+++ b/bitcoin_trading_simulation.py
@@ -102,7 +102,7 @@ def simulate_trading(signals, initial_cash=10000, quiet=False):
             portfolio.loc[i, 'btc'] += btc_to_buy
             portfolio.loc[i, 'cash'] -= btc_to_buy * row['price']
             if not quiet:
-                print(f"{Colors.GREEN}🟢 Day {i}: Buy {btc_to_buy:.4f} BTC at ${row['price']:.2f}{Colors.ENDC}")
+                print(f"{Colors.GREEN}🟢 Day {i}: Buy {btc_to_buy:,.4f} BTC at ${row['price']:,.2f}{Colors.ENDC}")
 
         # Sell signal
         elif row['positions'] == -2.0:
@@ -110,14 +110,14 @@ def simulate_trading(signals, initial_cash=10000, quiet=False):
                 cash_received = portfolio.loc[i, 'btc'] * row['price']
                 portfolio.loc[i, 'cash'] += cash_received
                 if not quiet:
-                    print(f"{Colors.FAIL}🔴 Day {i}: Sell {portfolio.loc[i, 'btc']:.4f} BTC at ${row['price']:.2f}{Colors.ENDC}")
+                    print(f"{Colors.FAIL}🔴 Day {i}: Sell {portfolio.loc[i, 'btc']:,.4f} BTC at ${row['price']:,.2f}{Colors.ENDC}")
                 portfolio.loc[i, 'btc'] = 0
 
         portfolio.loc[i, 'total_value'] = portfolio.loc[i, 'cash'] + portfolio.loc[i, 'btc'] * row['price']
 
         if not quiet:
-            print(f"Day {i}: Portfolio Value: ${portfolio.loc[i, 'total_value']:.2f}, "
-                  f"Cash: ${portfolio.loc[i, 'cash']:.2f}, BTC: {portfolio.loc[i, 'btc']:.4f}")
+            print(f"Day {i}: Portfolio Value: ${portfolio.loc[i, 'total_value']:,.2f}, "
+                  f"Cash: ${portfolio.loc[i, 'cash']:,.2f}, BTC: {portfolio.loc[i, 'btc']:,.4f}")
 
     if quiet and sys.stdout.isatty():
         print()
diff --git a/requirements.txt b/requirements.txt
index cfaa995..4ad1501 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,3 @@
 numpy
 pandas
 requests
-venv