diff --git a/model/histogram/float_histogram_test.go b/model/histogram/float_histogram_test.go
index 1558a6d67..cf370a313 100644
--- a/model/histogram/float_histogram_test.go
+++ b/model/histogram/float_histogram_test.go
@@ -131,6 +131,54 @@ func TestFloatHistogramMul(t *testing.T) {
 				NegativeBuckets: []float64{9, 3, 15, 18},
 			},
 		},
+		{
+			"negation",
+			&FloatHistogram{
+				ZeroThreshold:   0.01,
+				ZeroCount:       11,
+				Count:           30,
+				Sum:             23,
+				PositiveSpans:   []Span{{-2, 2}, {1, 3}},
+				PositiveBuckets: []float64{1, 0, 3, 4, 7},
+				NegativeSpans:   []Span{{3, 2}, {3, 2}},
+				NegativeBuckets: []float64{3, 1, 5, 6},
+			},
+			-1,
+			&FloatHistogram{
+				ZeroThreshold:   0.01,
+				ZeroCount:       -11,
+				Count:           -30,
+				Sum:             -23,
+				PositiveSpans:   []Span{{-2, 2}, {1, 3}},
+				PositiveBuckets: []float64{-1, 0, -3, -4, -7},
+				NegativeSpans:   []Span{{3, 2}, {3, 2}},
+				NegativeBuckets: []float64{-3, -1, -5, -6},
+			},
+		},
+		{
+			"negative multiplier",
+			&FloatHistogram{
+				ZeroThreshold:   0.01,
+				ZeroCount:       11,
+				Count:           30,
+				Sum:             23,
+				PositiveSpans:   []Span{{-2, 2}, {1, 3}},
+				PositiveBuckets: []float64{1, 0, 3, 4, 7},
+				NegativeSpans:   []Span{{3, 2}, {3, 2}},
+				NegativeBuckets: []float64{3, 1, 5, 6},
+			},
+			-2,
+			&FloatHistogram{
+				ZeroThreshold:   0.01,
+				ZeroCount:       -22,
+				Count:           -60,
+				Sum:             -46,
+				PositiveSpans:   []Span{{-2, 2}, {1, 3}},
+				PositiveBuckets: []float64{-2, 0, -6, -8, -14},
+				NegativeSpans:   []Span{{3, 2}, {3, 2}},
+				NegativeBuckets: []float64{-6, -2, -10, -12},
+			},
+		},
 		{
 			"no-op with custom buckets",
 			&FloatHistogram{
@@ -409,6 +457,54 @@ func TestFloatHistogramDiv(t *testing.T) {
 				NegativeBuckets: []float64{1.5, 0.5, 2.5, 3},
 			},
 		},
+		{
+			"negation",
+			&FloatHistogram{
+				ZeroThreshold:   0.01,
+				ZeroCount:       5.5,
+				Count:           3493.3,
+				Sum:             2349209.324,
+				PositiveSpans:   []Span{{-2, 1}, {2, 3}},
+				PositiveBuckets: []float64{1, 3.3, 4.2, 0.1},
+				NegativeSpans:   []Span{{3, 2}, {3, 2}},
+				NegativeBuckets: []float64{3.1, 3, 1.234e5, 1000},
+			},
+			-1,
+			&FloatHistogram{
+				ZeroThreshold:   0.01,
+				ZeroCount:       -5.5,
+				Count:           -3493.3,
+				Sum:             -2349209.324,
+				PositiveSpans:   []Span{{-2, 1}, {2, 3}},
+				PositiveBuckets: []float64{-1, -3.3, -4.2, -0.1},
+				NegativeSpans:   []Span{{3, 2}, {3, 2}},
+				NegativeBuckets: []float64{-3.1, -3, -1.234e5, -1000},
+			},
+		},
+		{
+			"negative half",
+			&FloatHistogram{
+				ZeroThreshold:   0.01,
+				ZeroCount:       11,
+				Count:           30,
+				Sum:             23,
+				PositiveSpans:   []Span{{-2, 2}, {1, 3}},
+				PositiveBuckets: []float64{1, 0, 3, 4, 7},
+				NegativeSpans:   []Span{{3, 2}, {3, 2}},
+				NegativeBuckets: []float64{3, 1, 5, 6},
+			},
+			-2,
+			&FloatHistogram{
+				ZeroThreshold:   0.01,
+				ZeroCount:       -5.5,
+				Count:           -15,
+				Sum:             -11.5,
+				PositiveSpans:   []Span{{-2, 2}, {1, 3}},
+				PositiveBuckets: []float64{-0.5, 0, -1.5, -2, -3.5},
+				NegativeSpans:   []Span{{3, 2}, {3, 2}},
+				NegativeBuckets: []float64{-1.5, -0.5, -2.5, -3},
+			},
+		},
 		{
 			"no-op with custom buckets",
 			&FloatHistogram{
diff --git a/promql/promqltest/testdata/native_histograms.test b/promql/promqltest/testdata/native_histograms.test
index ee2ae7759..7d2eec32c 100644
--- a/promql/promqltest/testdata/native_histograms.test
+++ b/promql/promqltest/testdata/native_histograms.test
@@ -728,13 +728,13 @@ eval instant at 10m histogram_mul_div*3
     {} {{schema:0 count:90 sum:99 z_bucket:9 z_bucket_w:0.001 buckets:[9 9 9] n_buckets:[18 18 18]}}
 
 eval instant at 10m histogram_mul_div*-1
-    {} {{schema:0 count:30 sum:-33 z_bucket:3 z_bucket_w:0.001 buckets:[6 6 6] n_buckets:[3 3 3]}}
+    {} {{schema:0 count:-30 sum:-33 z_bucket:-3 z_bucket_w:0.001 buckets:[-3 -3 -3] n_buckets:[-6 -6 -6]}}
 
 eval instant at 10m -histogram_mul_div
-    {} {{schema:0 count:30 sum:-33 z_bucket:3 z_bucket_w:0.001 buckets:[6 6 6] n_buckets:[3 3 3]}}
+    {} {{schema:0 count:-30 sum:-33 z_bucket:-3 z_bucket_w:0.001 buckets:[-3 -3 -3] n_buckets:[-6 -6 -6]}}
 
 eval instant at 10m histogram_mul_div*-3
-    {} {{schema:0 count:90 sum:-99 z_bucket:9 z_bucket_w:0.001 buckets:[18 18 18] n_buckets:[9 9 9]}}
+    {} {{schema:0 count:-90 sum:-99 z_bucket:-9 z_bucket_w:0.001 buckets:[-9 -9 -9] n_buckets:[-18 -18 -18]}}
 
 eval instant at 10m 3*histogram_mul_div
     {} {{schema:0 count:90 sum:99 z_bucket:9 z_bucket_w:0.001 buckets:[9 9 9] n_buckets:[18 18 18]}}
@@ -749,7 +749,7 @@ eval instant at 10m histogram_mul_div/3
     {} {{schema:0 count:10 sum:11 z_bucket:1 z_bucket_w:0.001 buckets:[1 1 1] n_buckets:[2 2 2]}}
 
 eval instant at 10m histogram_mul_div/-3
-    {} {{schema:0 count:10 sum:-11 z_bucket:1 z_bucket_w:0.001 buckets:[2 2 2] n_buckets:[1 1 1]}}
+    {} {{schema:0 count:-10 sum:-11 z_bucket:-1 z_bucket_w:0.001 buckets:[-1 -1 -1] n_buckets:[-2 -2 -2]}}
 
 eval instant at 10m histogram_mul_div/float_series_3
     {} {{schema:0 count:10 sum:11 z_bucket:1 z_bucket_w:0.001 buckets:[1 1 1] n_buckets:[2 2 2]}}