From a9c3799547ebb0aaa430f181461a37dfd931928b Mon Sep 17 00:00:00 2001
From: Matthias <xmatthias@outlook.com>
Date: Thu, 25 Sep 2025 07:26:14 +0200
Subject: [PATCH] feat: enable hyperliquid cross futures

---
 freqtrade/exchange/hyperliquid.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/freqtrade/exchange/hyperliquid.py b/freqtrade/exchange/hyperliquid.py
index 74f7c5694..db9e44e7d 100644
--- a/freqtrade/exchange/hyperliquid.py
+++ b/freqtrade/exchange/hyperliquid.py
@@ -44,6 +44,7 @@ class Hyperliquid(Exchange):
     _supported_trading_mode_margin_pairs: list[tuple[TradingMode, MarginMode]] = [
         (TradingMode.SPOT, MarginMode.NONE),
         (TradingMode.FUTURES, MarginMode.ISOLATED),
+        (TradingMode.FUTURES, MarginMode.CROSS),
     ]
 
     @property
@@ -118,7 +119,12 @@ class Hyperliquid(Exchange):
         maintenance_margin_required = position_value / max_leverage / 2
 
         # Docs: margin_available (isolated) = isolated_margin - maintenance_margin_required
-        margin_available = isolated_margin - maintenance_margin_required
+        if self.margin_mode == MarginMode.ISOLATED:
+            margin_available = isolated_margin - maintenance_margin_required
+        elif self.margin_mode == MarginMode.CROSS:
+            margin_available = wallet_balance - maintenance_margin_required
+        else:
+            raise OperationalException("Unsupported margin mode for liquidation price calculation")
 
         # Docs: The maintenance margin is half of the initial margin at max leverage
         # The docs don't explicitly specify maintenance leverage, but this works.