diff --git a/crates/wickra-core/src/indicators/accelerator_oscillator.rs b/crates/wickra-core/src/indicators/accelerator_oscillator.rs
index 16d98447..5e985a54 100644
--- a/crates/wickra-core/src/indicators/accelerator_oscillator.rs
+++ b/crates/wickra-core/src/indicators/accelerator_oscillator.rs
@@ -108,7 +108,7 @@ mod tests {
     use approx::assert_relative_eq;
 
     fn c(high: f64, low: f64, close: f64, ts: i64) -> Candle {
-        Candle::new((high + low) / 2.0, high, low, close, 1.0, ts).unwrap()
+        Candle::new(f64::midpoint(high, low), high, low, close, 1.0, ts).unwrap()
     }
 
     #[test]
diff --git a/crates/wickra-core/src/indicators/atr_trailing_stop.rs b/crates/wickra-core/src/indicators/atr_trailing_stop.rs
index a5bcdfda..b1e7a143 100644
--- a/crates/wickra-core/src/indicators/atr_trailing_stop.rs
+++ b/crates/wickra-core/src/indicators/atr_trailing_stop.rs
@@ -139,7 +139,7 @@ mod tests {
     use approx::assert_relative_eq;
 
     fn c(high: f64, low: f64, close: f64, ts: i64) -> Candle {
-        Candle::new((high + low) / 2.0, high, low, close, 1.0, ts).unwrap()
+        Candle::new(f64::midpoint(high, low), high, low, close, 1.0, ts).unwrap()
     }
 
     #[test]
diff --git a/crates/wickra-core/src/indicators/bollinger.rs b/crates/wickra-core/src/indicators/bollinger.rs
index d212756b..cb5c5a53 100644
--- a/crates/wickra-core/src/indicators/bollinger.rs
+++ b/crates/wickra-core/src/indicators/bollinger.rs
@@ -294,7 +294,7 @@ mod tests {
         let n_updates = 16 * period * 5;
         let mut last = None;
         for i in 0..n_updates {
-            let v = if i.is_multiple_of(2) { 1e6 } else { 1.0 };
+            let v = if i % 2 == 0 { 1e6 } else { 1.0 };
             last = bb.update(v);
             if window.len() == period {
                 window.pop_front();
diff --git a/crates/wickra-core/src/indicators/chaikin_volatility.rs b/crates/wickra-core/src/indicators/chaikin_volatility.rs
index 419852cc..0a0cc1b8 100644
--- a/crates/wickra-core/src/indicators/chaikin_volatility.rs
+++ b/crates/wickra-core/src/indicators/chaikin_volatility.rs
@@ -108,7 +108,7 @@ mod tests {
     use approx::assert_relative_eq;
 
     fn c(high: f64, low: f64, close: f64, ts: i64) -> Candle {
-        Candle::new((high + low) / 2.0, high, low, close, 1.0, ts).unwrap()
+        Candle::new(f64::midpoint(high, low), high, low, close, 1.0, ts).unwrap()
     }
 
     #[test]
diff --git a/crates/wickra-core/src/indicators/chande_kroll_stop.rs b/crates/wickra-core/src/indicators/chande_kroll_stop.rs
index 443978ed..e18739f9 100644
--- a/crates/wickra-core/src/indicators/chande_kroll_stop.rs
+++ b/crates/wickra-core/src/indicators/chande_kroll_stop.rs
@@ -173,7 +173,7 @@ mod tests {
     use approx::assert_relative_eq;
 
     fn c(high: f64, low: f64, close: f64, ts: i64) -> Candle {
-        Candle::new((high + low) / 2.0, high, low, close, 1.0, ts).unwrap()
+        Candle::new(f64::midpoint(high, low), high, low, close, 1.0, ts).unwrap()
     }
 
     #[test]
diff --git a/crates/wickra-core/src/indicators/chandelier_exit.rs b/crates/wickra-core/src/indicators/chandelier_exit.rs
index 321301ec..a734ef5c 100644
--- a/crates/wickra-core/src/indicators/chandelier_exit.rs
+++ b/crates/wickra-core/src/indicators/chandelier_exit.rs
@@ -137,7 +137,7 @@ mod tests {
     use approx::assert_relative_eq;
 
     fn c(high: f64, low: f64, close: f64, ts: i64) -> Candle {
-        Candle::new((high + low) / 2.0, high, low, close, 1.0, ts).unwrap()
+        Candle::new(f64::midpoint(high, low), high, low, close, 1.0, ts).unwrap()
     }
 
     #[test]
diff --git a/crates/wickra-core/src/indicators/choppiness_index.rs b/crates/wickra-core/src/indicators/choppiness_index.rs
index 04b1b304..1b3aa91a 100644
--- a/crates/wickra-core/src/indicators/choppiness_index.rs
+++ b/crates/wickra-core/src/indicators/choppiness_index.rs
@@ -134,7 +134,7 @@ mod tests {
     use approx::assert_relative_eq;
 
     fn c(high: f64, low: f64, close: f64, ts: i64) -> Candle {
-        Candle::new((high + low) / 2.0, high, low, close, 1.0, ts).unwrap()
+        Candle::new(f64::midpoint(high, low), high, low, close, 1.0, ts).unwrap()
     }
 
     #[test]
diff --git a/crates/wickra-core/src/indicators/donchian.rs b/crates/wickra-core/src/indicators/donchian.rs
index 5e99252e..546fb3db 100644
--- a/crates/wickra-core/src/indicators/donchian.rs
+++ b/crates/wickra-core/src/indicators/donchian.rs
@@ -83,7 +83,7 @@ impl Indicator for Donchian {
             .fold(f64::INFINITY, f64::min);
         Some(DonchianOutput {
             upper,
-            middle: (upper + lower) / 2.0,
+            middle: f64::midpoint(upper, lower),
             lower,
         })
     }
diff --git a/crates/wickra-core/src/indicators/ease_of_movement.rs b/crates/wickra-core/src/indicators/ease_of_movement.rs
index 5f90aba3..0898eb66 100644
--- a/crates/wickra-core/src/indicators/ease_of_movement.rs
+++ b/crates/wickra-core/src/indicators/ease_of_movement.rs
@@ -95,7 +95,7 @@ impl Indicator for EaseOfMovement {
     type Output = f64;
 
     fn update(&mut self, candle: Candle) -> Option<f64> {
-        let mid = (candle.high + candle.low) / 2.0;
+        let mid = f64::midpoint(candle.high, candle.low);
         let Some(prev_mid) = self.prev_mid else {
             // The first candle only establishes the previous midpoint.
             self.prev_mid = Some(mid);
diff --git a/crates/wickra-core/src/indicators/sma.rs b/crates/wickra-core/src/indicators/sma.rs
index 3f1d035a..8e0ec828 100644
--- a/crates/wickra-core/src/indicators/sma.rs
+++ b/crates/wickra-core/src/indicators/sma.rs
@@ -251,7 +251,7 @@ mod tests {
         // `RECOMPUTE_EVERY * period * 5` updates → recompute fires 5+ times.
         let n_updates = 16 * period * 5;
         for i in 0..n_updates {
-            let v = if i.is_multiple_of(2) { 1e9 } else { 1.0 };
+            let v = if i % 2 == 0 { 1e9 } else { 1.0 };
             sma.update(v);
             if window.len() == period {
                 window.pop_front();
diff --git a/crates/wickra-core/src/indicators/super_trend.rs b/crates/wickra-core/src/indicators/super_trend.rs
index 52f906e9..e9a2a7de 100644
--- a/crates/wickra-core/src/indicators/super_trend.rs
+++ b/crates/wickra-core/src/indicators/super_trend.rs
@@ -107,7 +107,7 @@ impl Indicator for SuperTrend {
 
     fn update(&mut self, candle: Candle) -> Option<SuperTrendOutput> {
         let atr = self.atr.update(candle)?;
-        let hl2 = (candle.high + candle.low) / 2.0;
+        let hl2 = f64::midpoint(candle.high, candle.low);
         let basic_upper = hl2 + self.multiplier * atr;
         let basic_lower = hl2 - self.multiplier * atr;
 
@@ -184,7 +184,7 @@ mod tests {
     use crate::traits::BatchExt;
 
     fn c(high: f64, low: f64, close: f64, ts: i64) -> Candle {
-        Candle::new((high + low) / 2.0, high, low, close, 1.0, ts).unwrap()
+        Candle::new(f64::midpoint(high, low), high, low, close, 1.0, ts).unwrap()
     }
 
     #[test]
diff --git a/crates/wickra-core/src/indicators/true_range.rs b/crates/wickra-core/src/indicators/true_range.rs
index 632c4f5a..357bf490 100644
--- a/crates/wickra-core/src/indicators/true_range.rs
+++ b/crates/wickra-core/src/indicators/true_range.rs
@@ -82,7 +82,7 @@ mod tests {
     use approx::assert_relative_eq;
 
     fn c(high: f64, low: f64, close: f64, ts: i64) -> Candle {
-        Candle::new((high + low) / 2.0, high, low, close, 1.0, ts).unwrap()
+        Candle::new(f64::midpoint(high, low), high, low, close, 1.0, ts).unwrap()
     }
 
     #[test]
diff --git a/crates/wickra-core/src/ohlcv.rs b/crates/wickra-core/src/ohlcv.rs
index 3d264398..d60b5479 100644
--- a/crates/wickra-core/src/ohlcv.rs
+++ b/crates/wickra-core/src/ohlcv.rs
@@ -110,7 +110,7 @@ impl Candle {
     /// The mid price `(high + low) / 2`.
     #[inline]
     pub fn median_price(&self) -> f64 {
-        (self.high + self.low) / 2.0
+        f64::midpoint(self.high, self.low)
     }
 
     /// The weighted close `(high + low + 2*close) / 4`.