From 273060340fa9529b9dda15c5332da3557ecc420c Mon Sep 17 00:00:00 2001
From: Chip Kent <5250374+chipkent@users.noreply.github.com>
Date: Tue, 6 Jan 2026 10:27:56 -0700
Subject: [PATCH 1/2] Delete examples/example_query_and_plot.py

Delete a duplicate file.  example_query_and_plot.py duplicates example_overview_image.py.
---
 examples/example_query_and_plot.py | 57 ------------------------------
 1 file changed, 57 deletions(-)
 delete mode 100644 examples/example_query_and_plot.py

diff --git a/examples/example_query_and_plot.py b/examples/example_query_and_plot.py
deleted file mode 100644
index 82f29e7f..00000000
--- a/examples/example_query_and_plot.py
+++ /dev/null
@@ -1,57 +0,0 @@
-
-# Run this example in the Deephaven IDE Console
-
-import deephaven_ib as dhib
-
-print("==============================================================================================================")
-print("==== ** Accept the connection in TWS **")
-print("==============================================================================================================")
-
-client = dhib.IbSessionTws(host="localhost", port=7497)
-client.connect()
-
-from ibapi.contract import Contract
-
-c1 = Contract()
-c1.symbol = 'DIA'
-c1.secType = 'STK'
-c1.exchange = 'SMART'
-c1.currency = 'USD'
-
-rc1 = client.get_registered_contract(c1)
-print(rc1)
-
-c2 = Contract()
-c2.symbol = 'SPY'
-c2.secType = 'STK'
-c2.exchange = 'SMART'
-c2.currency = 'USD'
-
-rc2 = client.get_registered_contract(c2)
-print(rc2)
-
-client.set_market_data_type(dhib.MarketDataType.REAL_TIME)
-client.request_market_data(rc1)
-client.request_market_data(rc2)
-client.request_bars_realtime(rc1, bar_type=dhib.BarDataType.MIDPOINT)
-client.request_bars_realtime(rc2, bar_type=dhib.BarDataType.MIDPOINT)
-
-bars_realtime = client.tables["bars_realtime"]
-
-bars_dia = bars_realtime.where("Symbol=`DIA`")
-bars_spy = bars_realtime.where("Symbol=`SPY`")
-bars_joined = bars_dia.view(["Timestamp", "TimestampEnd", "Dia=Close"]) \
-    .natural_join(bars_spy, on="TimestampEnd", joins="Spy=Close") \
-    .update("Ratio = Dia/Spy")
-
-from deephaven.plot import Figure
-
-plot_prices = Figure().plot_xy("DIA", t=bars_dia, x="TimestampEnd", y="Close") \
-    .x_twin() \
-    .plot_xy("SPY", t=bars_spy, x="TimestampEnd", y="Close") \
-    .show()
-
-plot_ratio = Figure().plot_xy("Ratio", t=bars_joined, x="TimestampEnd", y="Ratio") \
-    .show()
-
-

From c5a974ed5f2255c2914216d67e82a50c9c88fe10 Mon Sep 17 00:00:00 2001
From: Chip Kent <5250374+chipkent@users.noreply.github.com>
Date: Tue, 6 Jan 2026 10:31:40 -0700
Subject: [PATCH 2/2] Update SPY data source in plot_prices

---
 examples/example_overview_image.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/examples/example_overview_image.py b/examples/example_overview_image.py
index c705d3a5..82f29e7f 100644
--- a/examples/example_overview_image.py
+++ b/examples/example_overview_image.py
@@ -48,7 +48,7 @@
 
 plot_prices = Figure().plot_xy("DIA", t=bars_dia, x="TimestampEnd", y="Close") \
     .x_twin() \
-    .plot_xy("SPY", t=bars_dia, x="TimestampEnd", y="Close") \
+    .plot_xy("SPY", t=bars_spy, x="TimestampEnd", y="Close") \
     .show()
 
 plot_ratio = Figure().plot_xy("Ratio", t=bars_joined, x="TimestampEnd", y="Ratio") \