From 9902507911740e0797405d9d5e4bdee70d403cda Mon Sep 17 00:00:00 2001
From: Emil Lerch <emil@lerch.org>
Date: Fri, 6 Mar 2026 16:50:41 -0800
Subject: [PATCH] add comment explaining why the 5k is good

---
 src/providers/twelvedata.zig | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/providers/twelvedata.zig b/src/providers/twelvedata.zig
index 8f3c34f..d879739 100644
--- a/src/providers/twelvedata.zig
+++ b/src/providers/twelvedata.zig
@@ -53,6 +53,9 @@ pub const TwelveData = struct {
         const from_str = from.format(&from_buf);
         const to_str = to.format(&to_buf);
 
+        // TwelveData's max outputsize is 5000 data points per request.
+        // For daily candles this covers ~20 years of trading days (~252/year),
+        // well beyond our typical 10-year lookback. No pagination needed.
         const url = try http.buildUrl(allocator, base_url ++ "/time_series", &.{
             .{ "symbol", symbol },
             .{ "interval", "1day" },