Fix yield divisors and cold-cache UX in macro tab

All four treasury yield symbols return values already in percent;
the old /10 and /100 divisors were displaying ~0.04–0.46% instead
of the correct 3–5% range. Also rename ambiguous `l` variable and
add a spinner for the cold-cache load.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

1 files changed, 11 insertions, 11 deletions

diff --git a/components/macro.py b/components/macro.py
index a166855..c8e8b0c 100644
--- a/components/macro.py
+++ b/components/macro.py
@@ -15,12 +15,11 @@ _INDICES = {
     "VIX":     "^VIX",
 }
 
-# (symbol, divisor) — yfinance encodes yields as rate×divisor
 _YIELDS = {
-    "3M":  ("^IRX", 100),
-    "5Y":  ("^FVX", 10),
-    "10Y": ("^TNX", 10),
-    "30Y": ("^TYX", 10),
+    "3M":  "^IRX",
+    "5Y":  "^FVX",
+    "10Y": "^TNX",
+    "30Y": "^TYX",
 }
 
 _SECTORS = {
@@ -74,15 +73,15 @@ def _get_macro_data() -> dict:
             indices[name] = None
 
     yields = {}
-    for label, (sym, div) in _YIELDS.items():
+    for label, sym in _YIELDS.items():
         try:
             hist = yf.Ticker(sym).history(period="5d")
             if hist.empty:
                 yields[label] = None
                 continue
             closes = hist["Close"].dropna()
-            curr = float(closes.iloc[-1]) / div
-            prev = float(closes.iloc[-2]) / div if len(closes) >= 2 else None
+            curr = float(closes.iloc[-1])
+            prev = float(closes.iloc[-2]) if len(closes) >= 2 else None
             yields[label] = {"rate": curr, "change_1d": (curr - prev) if prev is not None else None}
         except Exception:
             yields[label] = None
@@ -176,8 +175,8 @@ def _render_index_table(indices: dict) -> None:
 
 def _render_yield_curve(yields: dict) -> None:
     labels = list(yields.keys())
-    rates = [yields[l]["rate"] if yields[l] else None for l in labels]
-    valid = [(l, r) for l, r in zip(labels, rates) if r is not None]
+    rates = [yields[lbl]["rate"] if yields[lbl] else None for lbl in labels]
+    valid = [(lbl, r) for lbl, r in zip(labels, rates) if r is not None]
 
     fig = go.Figure()
     if valid:
@@ -283,7 +282,8 @@ def _render_sector_heatmap(sectors: dict) -> None:
 # ── Public entry point ────────────────────────────────────────────────────────
 
 def render_macro() -> None:
-    data = _get_macro_data()
+    with st.spinner("Loading macro data…"):
+        data = _get_macro_data()
 
     st.markdown(
         "<h5 style='font-family:\"IBM Plex Sans\",sans-serif;font-size:10px;font-weight:600;"