Initial commit

2026-07-18 12:04:35 -04:00 · 2026-07-18 12:04:35 -04:00 · c9262067df
commit c9262067df
1 changed files with 78 additions and 0 deletions
--- a/kalshi-parse.py
+++ b/kalshi-parse.py
@ -0,0 +1,78 @@
+#!/usr/bin/env python3
+import csv
+import sys
+import os
+
+def parse_kalshi_csv(file_path):
+    if not os.path.exists(file_path):
+        print(f"Error: File '{file_path}' not found.")
+        sys.exit(1)
+
+    total_tax_basis = 0.0
+    total_tax_proceeds = 0.0
+    total_pnl_without_fees = 0.0
+    total_pnl_with_fees = 0.0
+    total_fees = 0.0
+    trade_count = 0
+
+    print(f"\n{'Ticker':<32} | {'Side':<4} | {'Qty':<6} | {'Entry':<6} | {'Exit':<6} | {'P&L (No Fees)':<14}")
+    print("-" * 83)
+
+    with open(file_path, mode='r', newline='', encoding='utf-8') as f:
+        reader = csv.DictReader(f)
+        
+        for row in reader:
+            if not row.get('realized_pnl_without_fees_dollars'):
+                continue
+                
+            ticker = row['market_ticker']
+            side = row['side'].upper()
+            qty = float(row['quantity_fp'])
+            entry = float(row['entry_price_dollars'])
+            exit_val = float(row['exit_price_dollars'])
+            
+            pnl_no_fees = float(row['realized_pnl_without_fees_dollars'])
+            pnl_with_fees = float(row['realized_pnl_with_fees_dollars'])
+            
+            open_fees = float(row['open_fees_dollars'])
+            close_fees = float(row['close_fees_dollars'])
+            fees = open_fees + close_fees
+
+            # --- IRS FORM 8949 TAX RULES ---
+            # 1. Open fees are added to your Cost Basis (makes it cost more to acquire)
+            total_tax_basis += (qty * entry) + open_fees
+            
+            # 2. Close fees reduce your Gross Proceeds (cuts down the cash you walked away with)
+            total_tax_proceeds += (qty * exit_val) - close_fees
+            
+            total_pnl_without_fees += pnl_no_fees
+            total_pnl_with_fees += pnl_with_fees
+            total_fees += fees
+            trade_count += 1
+
+            pnl_str = f"${pnl_no_fees:+.2f}"
+            print(f"{ticker:<32} | {side:<4} | {qty:<6.2f} | ${entry:<5.2f} | ${exit_val:<5.2f} | {pnl_str:<14}")
+
+    print("-" * 83)
+    print(f"Total Transactions Parsed: {trade_count}")
+    print(f"Total Exchange Fees Paid:  ${total_fees:.2f}")
+    print(f"Internal Tracked Net P&L:  ${total_pnl_without_fees:+.2f}")
+    print("-" * 83)
+    
+    # --- IRS FORM 8949 TAX REPORTING BLOCK ---
+    print("\033[1;33m=== IRS FORM 8949 / SCHEDULE D AGGREGATE SUMMARY ===\033[0m")
+    print("Use these exact aggregates for a single-line summary entry:")
+    print(f"  * Box to Check:            \033[1;37mBox C\033[0m (Short-term, not reported on Form 1099-B)")
+    print(f"  * (a) Description:         Kalshi Event Contracts (Aggregate Summary)")
+    print(f"  * (d) Gross Proceeds:      \033[1;32m${total_tax_proceeds:.2f}\033[0m")
+    print(f"  * (e) Cost or Other Basis: \033[1;36m${total_tax_basis:.2f}\033[0m")
+    print(f"  * (h) Gain or (Loss):      " + (f"\033[1;32m${total_pnl_with_fees:+.2f}\033[0m" if total_pnl_with_fees >= 0 else f"\033[1;31m${total_pnl_with_fees:+.2f}\033[0m"))
+    print("\033[1;33m====================================================\033[0m\n")
+
+if __name__ == '__main__':
+    if len(sys.argv) < 2:
+        print("Usage: python3 kalshi_parser.py <path_to_transactions_csv>")
+        sys.exit(1)
+        
+    parse_kalshi_csv(sys.argv[1])
+