diff --git a/client/src/context.rs b/client/src/context.rs
index 499e5b6d4..43f5aa9c4 100644
--- a/client/src/context.rs
+++ b/client/src/context.rs
@@ -335,6 +335,21 @@ impl MangoGroupContext {
             .chain(serum_oos.map(to_account_meta))
             .collect())
     }
+
+    pub async fn new_tokens_listed(&self, rpc: &RpcClientAsync) -> anyhow::Result<bool> {
+        let mint_infos = fetch_mint_infos(rpc, mango_v4::id(), self.group).await?;
+        Ok(mint_infos.len() > self.tokens.len())
+    }
+
+    pub async fn new_serum3_markets_listed(&self, rpc: &RpcClientAsync) -> anyhow::Result<bool> {
+        let serum3_markets = fetch_serum3_markets(rpc, mango_v4::id(), self.group).await?;
+        Ok(serum3_markets.len() > self.serum3_markets.len())
+    }
+
+    pub async fn new_perp_markets_listed(&self, rpc: &RpcClientAsync) -> anyhow::Result<bool> {
+        let new_perp_markets = fetch_perp_markets(rpc, mango_v4::id(), self.group).await?;
+        Ok(new_perp_markets.len() > self.perp_markets.len())
+    }
 }
 
 fn from_serum_style_pubkey(d: [u64; 4]) -> Pubkey {
diff --git a/keeper/src/crank.rs b/keeper/src/crank.rs
index ba4f903ef..f26e54e63 100644
--- a/keeper/src/crank.rs
+++ b/keeper/src/crank.rs
@@ -21,6 +21,7 @@ pub async fn runner(
     interval_update_banks: u64,
     interval_consume_events: u64,
     interval_update_funding: u64,
+    interval_check_new_listings_and_abort: u64,
 ) -> Result<(), anyhow::Error> {
     let handles1 = mango_client
         .context
@@ -73,12 +74,37 @@ pub async fn runner(
         futures::future::join_all(handles1),
         futures::future::join_all(handles2),
         futures::future::join_all(handles3),
+        loop_check_new_listings_and_abort(
+            mango_client.clone(),
+            interval_check_new_listings_and_abort
+        ),
         debugging_handle
     );
 
     Ok(())
 }
 
+pub async fn loop_check_new_listings_and_abort(mango_client: Arc<MangoClient>, interval: u64) {
+    let mut interval = time::interval(Duration::from_secs(interval));
+    loop {
+        if mango_client
+            .context
+            .new_tokens_listed(&mango_client.client.rpc_async())
+            .await
+            .unwrap()
+            || mango_client
+                .context
+                .new_perp_markets_listed(&mango_client.client.rpc_async())
+                .await
+                .unwrap()
+        {
+            std::process::abort();
+        }
+
+        interval.tick().await;
+    }
+}
+
 pub async fn loop_update_index_and_rate(
     mango_client: Arc<MangoClient>,
     token_indices: Vec<TokenIndex>,
diff --git a/keeper/src/main.rs b/keeper/src/main.rs
index 4425b5b48..f95e83227 100644
--- a/keeper/src/main.rs
+++ b/keeper/src/main.rs
@@ -53,6 +53,9 @@ struct Cli {
     #[clap(long, env, default_value_t = 5)]
     interval_update_funding: u64,
 
+    #[clap(long, env, default_value_t = 120)]
+    interval_check_new_listings_and_abort: u64,
+
     #[clap(long, env, default_value_t = 10)]
     timeout: u64,
 }
@@ -126,6 +129,7 @@ async fn main() -> Result<(), anyhow::Error> {
                 cli.interval_update_banks,
                 cli.interval_consume_events,
                 cli.interval_update_funding,
+                cli.interval_check_new_listings_and_abort,
             )
             .await
         }