diff --git a/MEV_by_chains/MEV_on_Arbitrum/gmx/glp_vaults.md b/MEV_by_chains/MEV_on_Arbitrum/gmx/glp_vaults.md
index d8c50df..e7e0993 100644
--- a/MEV_by_chains/MEV_on_Arbitrum/gmx/glp_vaults.md
+++ b/MEV_by_chains/MEV_on_Arbitrum/gmx/glp_vaults.md
@@ -1,8 +1,8 @@
-## glp vaults
+## delta neutral strategies and glp vaults
 
 <br>
 
-### tl; dr
+### vaults
 
 <br>
 
@@ -11,6 +11,16 @@
 * vault should be backtested against months of real-world market data (including edge cases), usually with a baseline such as a standalone usdc vault
 * hedges are algorithmically rebalanced at regular intervals. hedging on gmx incurs fees for minting and burning of $GLP, opening and closing positions, and funding for open interest.
 
+<br>
+
+### delta neutral strategies
+
+<br>
+
+* delta neutral strategies offset volatility so that GLP owners win yields while also not having to worry about price changes.
+* this is usally achieved with shorting its underlying assets or hedging the positions, and the positions must be constantly changed based on the weight of the assets.
+
+
 <br>
 
 ### pool exposures
@@ -25,6 +35,8 @@
 
 <br>
 
+
+
 ### resources
 
 <br>