diff --git a/.gitignore b/.gitignore
index 01d143d..4548d2d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -69,3 +69,10 @@ data/precomputed/
 
 # Research panels and results — fetched/rebuilt by research/lab
 data/research/
+
+# Option-chain snapshots (research.lab.fetch_options, ~11 MB/day)
+data/options/
+
+# Broker state and fills: Alpaca paper overnight book, IBKR live account
+data/overnight_paper/
+data/ibkr_live/