From c1e7fc91e401cf9e153f75f8747689472962bc3b Mon Sep 17 00:00:00 2001
From: boris <shuaibo.zhang@hotmail.com>
Date: Fri, 28 Aug 2026 15:15:18 +0800
Subject: [PATCH] =?UTF-8?q?=E8=B7=B3=E8=BF=87=E6=97=A0=E9=9C=80=E6=B1=82?=
 =?UTF-8?q?=E7=9A=84=E6=BB=9A=E5=8A=A8=E8=AE=A1=E7=AE=97?=
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---
 crates/fidc-core/src/data.rs | 22 ++++++++++++++--------
 1 file changed, 14 insertions(+), 8 deletions(-)

diff --git a/crates/fidc-core/src/data.rs b/crates/fidc-core/src/data.rs
index afa89f4..74d953c 100644
--- a/crates/fidc-core/src/data.rs
+++ b/crates/fidc-core/src/data.rs
@@ -1966,14 +1966,20 @@ impl DataSet {
         volume_lookbacks: &[usize; 5],
         include_now: bool,
     ) -> StandardRollingMeans {
-        let close = self
-            .adjusted_close_series_by_symbol_id(symbol_id)
-            .map(|series| series.moving_averages(date, close_lookbacks, include_now))
-            .unwrap_or([None; 7]);
-        let volume = self
-            .market_series_by_symbol_id(symbol_id)
-            .map(|series| series.volume_moving_averages(date, volume_lookbacks, include_now))
-            .unwrap_or([None; 5]);
+        let close = if close_lookbacks.iter().any(|lookback| *lookback > 0) {
+            self.adjusted_close_series_by_symbol_id(symbol_id)
+                .map(|series| series.moving_averages(date, close_lookbacks, include_now))
+                .unwrap_or([None; 7])
+        } else {
+            [None; 7]
+        };
+        let volume = if volume_lookbacks.iter().any(|lookback| *lookback > 0) {
+            self.market_series_by_symbol_id(symbol_id)
+                .map(|series| series.volume_moving_averages(date, volume_lookbacks, include_now))
+                .unwrap_or([None; 5])
+        } else {
+            [None; 5]
+        };
         StandardRollingMeans { close, volume }
     }