diff --git a/src/evaluate.c b/src/evaluate.c
index c8fc44a..604036d 100644
--- a/src/evaluate.c
+++ b/src/evaluate.c
@@ -150,6 +150,15 @@ bool evaluate_symbol(evaluator_t *ev, uint16_t symbol_idx, int64_t t_sock_arrive
 
         ev->stats.triangles_evaluated++;
 
+        double net_bps = (cumulative - 1.0) * 10000.0;
+
+        if (net_bps > ev->stats.best_net_bps) {
+            ev->stats.best_net_bps = net_bps;
+            snprintf(ev->stats.best_triangle_key, sizeof(ev->stats.best_triangle_key),
+                     "%s/%s/%s", tri->base, tri->mid, tri->quote);
+        }
+        if (net_bps < ev->stats.worst_net_bps) ev->stats.worst_net_bps = net_bps;
+
         int64_t now = now_ms();
         if (now - last_status_ms >= 30000) {
             last_status_ms = now;
@@ -161,8 +170,6 @@ bool evaluate_symbol(evaluator_t *ev, uint16_t symbol_idx, int64_t t_sock_arrive
                     tris->triangle_count);
         }
 
-        double net_bps = (cumulative - 1.0) * 10000.0;
-
         if (net_bps <= cfg->signal_threshold_bps) {
             ev->stats.triangles_skipped++;
             continue;