diff --git a/src/any_circuit_element.ts b/src/any_circuit_element.ts
index 10fb9381..500ec53a 100644
--- a/src/any_circuit_element.ts
+++ b/src/any_circuit_element.ts
@@ -151,6 +151,7 @@ export const any_circuit_element = z.union([
   sim.simulation_switch,
   sim.simulation_voltage_probe,
   sim.simulation_current_probe,
+  sim.simulation_oscilloscope_trace,
   sim.simulation_unknown_experiment_error,
   sim.simulation_op_amp,
   sim.simulation_spice_subcircuit,
diff --git a/src/simulation/index.ts b/src/simulation/index.ts
index 18851101..c2cce3fc 100644
--- a/src/simulation/index.ts
+++ b/src/simulation/index.ts
@@ -9,3 +9,4 @@ export * from "./simulation_current_probe"
 export * from "./simulation_unknown_experiment_error"
 export * from "./simulation_op_amp"
 export * from "./simulation_spice_subcircuit"
+export * from "./simulation_oscilloscope_trace"
diff --git a/src/simulation/simulation_current_probe.ts b/src/simulation/simulation_current_probe.ts
index eee41882..601f9869 100644
--- a/src/simulation/simulation_current_probe.ts
+++ b/src/simulation/simulation_current_probe.ts
@@ -2,13 +2,6 @@ import { z } from "zod"
 import { getZodPrefixedIdWithDefault } from "src/common"
 import { expectTypesMatch } from "src/utils/expect-types-match"
 
-export const simulation_current_probe_display_options = z.object({
-  label: z.string().optional(),
-  center: z.number().optional(),
-  offset_divs: z.number().optional(),
-  units_per_div: z.number().optional(),
-})
-
 export const simulation_current_probe = z
   .object({
     type: z.literal("simulation_current_probe"),
@@ -23,7 +16,6 @@ export const simulation_current_probe = z
     negative_source_net_id: z.string().optional(),
     subcircuit_id: z.string().optional(),
     color: z.string().optional(),
-    display_options: simulation_current_probe_display_options.optional(),
   })
   .describe(
     "Defines a current probe for simulation. It measures current flowing from the positive endpoint to the negative endpoint.",
@@ -77,9 +69,6 @@ export type SimulationCurrentProbeInput = z.input<
   typeof simulation_current_probe
 >
 type InferredSimulationCurrentProbe = z.infer<typeof simulation_current_probe>
-type InferredSimulationCurrentProbeDisplayOptions = z.infer<
-  typeof simulation_current_probe_display_options
->
 
 /**
  * Defines a current probe for simulation. It measures current flowing from the
@@ -96,18 +85,6 @@ export interface SimulationCurrentProbe {
   negative_source_net_id?: string
   subcircuit_id?: string
   color?: string
-  display_options?: SimulationCurrentProbeDisplayOptions
-}
-
-export interface SimulationCurrentProbeDisplayOptions {
-  label?: string
-  center?: number
-  offset_divs?: number
-  units_per_div?: number
 }
 
-expectTypesMatch<
-  SimulationCurrentProbeDisplayOptions,
-  InferredSimulationCurrentProbeDisplayOptions
->(true)
 expectTypesMatch<SimulationCurrentProbe, InferredSimulationCurrentProbe>(true)
diff --git a/src/simulation/simulation_oscilloscope_trace.ts b/src/simulation/simulation_oscilloscope_trace.ts
new file mode 100644
index 00000000..47ba8b0c
--- /dev/null
+++ b/src/simulation/simulation_oscilloscope_trace.ts
@@ -0,0 +1,93 @@
+import { z } from "zod"
+import { getZodPrefixedIdWithDefault } from "src/common"
+import { expectTypesMatch } from "src/utils/expect-types-match"
+
+const hasValue = (value: unknown) => value !== undefined
+
+export const simulation_oscilloscope_trace = z
+  .object({
+    type: z.literal("simulation_oscilloscope_trace"),
+    simulation_oscilloscope_trace_id: getZodPrefixedIdWithDefault(
+      "simulation_oscilloscope_trace",
+    ),
+    simulation_transient_voltage_graph_id: z.string().optional(),
+    simulation_transient_current_graph_id: z.string().optional(),
+    simulation_voltage_probe_id: z.string().optional(),
+    simulation_current_probe_id: z.string().optional(),
+    display_name: z.string().optional(),
+    color: z.string().optional(),
+    volts_per_div: z.number().positive().optional(),
+    amps_per_div: z.number().positive().optional(),
+    vertical_center: z.number().optional(),
+    vertical_offset_divs: z.number().optional(),
+  })
+  .describe(
+    "Defines how a simulation probe or transient graph is rendered as an oscilloscope-style trace.",
+  )
+  .superRefine((data, ctx) => {
+    const voltageReferences = [
+      data.simulation_transient_voltage_graph_id,
+      data.simulation_voltage_probe_id,
+    ].filter(hasValue).length
+    const currentReferences = [
+      data.simulation_transient_current_graph_id,
+      data.simulation_current_probe_id,
+    ].filter(hasValue).length
+
+    if (voltageReferences + currentReferences !== 1) {
+      ctx.addIssue({
+        code: z.ZodIssueCode.custom,
+        message:
+          "An oscilloscope trace must reference exactly one voltage graph, current graph, voltage probe, or current probe.",
+      })
+    }
+
+    if (voltageReferences > 0 && data.amps_per_div !== undefined) {
+      ctx.addIssue({
+        code: z.ZodIssueCode.custom,
+        message:
+          "Voltage oscilloscope traces must use volts_per_div, not amps_per_div.",
+      })
+    }
+
+    if (currentReferences > 0 && data.volts_per_div !== undefined) {
+      ctx.addIssue({
+        code: z.ZodIssueCode.custom,
+        message:
+          "Current oscilloscope traces must use amps_per_div, not volts_per_div.",
+      })
+    }
+  })
+
+export type SimulationOscilloscopeTraceInput = z.input<
+  typeof simulation_oscilloscope_trace
+>
+type InferredSimulationOscilloscopeTrace = z.infer<
+  typeof simulation_oscilloscope_trace
+>
+
+/**
+ * Defines how a simulation probe or transient graph is rendered as an
+ * oscilloscope-style trace. Scale and legend properties live here because they
+ * describe the relationship between a measurement and a graph, not the probe
+ * itself.
+ */
+export interface SimulationOscilloscopeTrace {
+  type: "simulation_oscilloscope_trace"
+  simulation_oscilloscope_trace_id: string
+  simulation_transient_voltage_graph_id?: string
+  simulation_transient_current_graph_id?: string
+  simulation_voltage_probe_id?: string
+  simulation_current_probe_id?: string
+  display_name?: string
+  color?: string
+  volts_per_div?: number
+  amps_per_div?: number
+  vertical_center?: number
+  vertical_offset_divs?: number
+}
+
+expectTypesMatch<
+  SimulationOscilloscopeTrace,
+  InferredSimulationOscilloscopeTrace
+>(true)
diff --git a/src/simulation/simulation_voltage_probe.ts b/src/simulation/simulation_voltage_probe.ts
index 99e8056c..6b0e7876 100644
--- a/src/simulation/simulation_voltage_probe.ts
+++ b/src/simulation/simulation_voltage_probe.ts
@@ -2,13 +2,6 @@ import { z } from "zod"
 import { getZodPrefixedIdWithDefault } from "src/common"
 import { expectTypesMatch } from "src/utils/expect-types-match"
 
-export const simulation_voltage_probe_display_options = z.object({
-  label: z.string().optional(),
-  center: z.number().optional(),
-  offset_divs: z.number().optional(),
-  units_per_div: z.number().optional(),
-})
-
 export const simulation_voltage_probe = z
   .object({
     type: z.literal("simulation_voltage_probe"),
@@ -23,7 +16,6 @@ export const simulation_voltage_probe = z
     reference_input_source_net_id: z.string().optional(),
     subcircuit_id: z.string().optional(),
     color: z.string().optional(),
-    display_options: simulation_voltage_probe_display_options.optional(),
   })
   .describe(
     "Defines a voltage probe for simulation. If a reference input is not provided, it measures against ground. If a reference input is provided, it measures the differential voltage between two points.",
@@ -87,9 +79,6 @@ export type SimulationVoltageProbeInput = z.input<
   typeof simulation_voltage_probe
 >
 type InferredSimulationVoltageProbe = z.infer<typeof simulation_voltage_probe>
-type InferredSimulationVoltageProbeDisplayOptions = z.infer<
-  typeof simulation_voltage_probe_display_options
->
 
 /**
  * Defines a voltage probe for simulation. If a reference input is not provided,
@@ -107,18 +96,6 @@ export interface SimulationVoltageProbe {
   reference_input_source_net_id?: string
   subcircuit_id?: string
   color?: string
-  display_options?: SimulationVoltageProbeDisplayOptions
-}
-
-export interface SimulationVoltageProbeDisplayOptions {
-  label?: string
-  center?: number
-  offset_divs?: number
-  units_per_div?: number
 }
 
-expectTypesMatch<
-  SimulationVoltageProbeDisplayOptions,
-  InferredSimulationVoltageProbeDisplayOptions
->(true)
 expectTypesMatch<SimulationVoltageProbe, InferredSimulationVoltageProbe>(true)
diff --git a/tests/simulation_current_probe.test.ts b/tests/simulation_current_probe.test.ts
index 94f79719..13fe81b7 100644
--- a/tests/simulation_current_probe.test.ts
+++ b/tests/simulation_current_probe.test.ts
@@ -61,19 +61,12 @@ test("simulation_current_probe with one port id should throw", () => {
   expect(() => simulation_current_probe.parse(input)).toThrow()
 })
 
-test("simulation_current_probe parses with name and display options", () => {
+test("simulation_current_probe parses with name", () => {
   const input: SimulationCurrentProbeInput = {
     type: "simulation_current_probe",
     positive_source_net_id: "net1",
     negative_source_net_id: "net2",
     name: "My Current Probe",
-    color: "#ff8c00",
-    display_options: {
-      label: "IO",
-      center: 0.01,
-      offset_divs: 2,
-      units_per_div: 0.001,
-    },
   }
 
   const result = simulation_current_probe.parse(input)
@@ -82,13 +75,6 @@ test("simulation_current_probe parses with name and display options", () => {
   expect(probe.positive_source_net_id).toBe("net1")
   expect(probe.negative_source_net_id).toBe("net2")
   expect(probe.name).toBe("My Current Probe")
-  expect(probe.display_options).toEqual({
-    label: "IO",
-    center: 0.01,
-    offset_divs: 2,
-    units_per_div: 0.001,
-  })
-  expect(probe.color).toBe("#ff8c00")
   expect(() => any_circuit_element.parse(input)).not.toThrow()
 })
 
diff --git a/tests/simulation_experiment.test.ts b/tests/simulation_experiment.test.ts
index 643b1f35..25d0e3e9 100644
--- a/tests/simulation_experiment.test.ts
+++ b/tests/simulation_experiment.test.ts
@@ -5,6 +5,7 @@ import {
 } from "../src/simulation/simulation_experiment"
 import { simulation_transient_voltage_graph } from "../src/simulation/simulation_transient_voltage_graph"
 import { simulation_transient_current_graph } from "../src/simulation/simulation_transient_current_graph"
+import { simulation_oscilloscope_trace } from "../src/simulation/simulation_oscilloscope_trace"
 import { any_circuit_element } from "../src/any_circuit_element"
 
 test("simulation_experiment requires valid experiment_type", () => {
@@ -86,3 +87,52 @@ test("simulation_transient_current_graph parses required data", () => {
   expect(graph.start_time_ms).toBe(0)
   expect(graph.end_time_ms).toBe(2)
 })
+
+test("simulation_oscilloscope_trace configures voltage graph display", () => {
+  const trace = simulation_oscilloscope_trace.parse({
+    type: "simulation_oscilloscope_trace",
+    simulation_transient_voltage_graph_id:
+      "simulation_transient_voltage_graph_123",
+    display_name: "VOUT",
+    color: "#315cff",
+    volts_per_div: 0.05,
+    vertical_center: 3.3,
+    vertical_offset_divs: 3,
+  })
+
+  expect(trace.simulation_oscilloscope_trace_id).toBeString()
+  expect(trace.display_name).toBe("VOUT")
+  expect(trace.volts_per_div).toBe(0.05)
+  expect(() => any_circuit_element.parse(trace)).not.toThrow()
+})
+
+test("simulation_oscilloscope_trace configures current probe display", () => {
+  const trace = simulation_oscilloscope_trace.parse({
+    type: "simulation_oscilloscope_trace",
+    simulation_current_probe_id: "simulation_current_probe_123",
+    display_name: "IOUT",
+    amps_per_div: 0.001,
+  })
+
+  expect(trace.simulation_current_probe_id).toBe("simulation_current_probe_123")
+  expect(trace.amps_per_div).toBe(0.001)
+  expect(() => any_circuit_element.parse(trace)).not.toThrow()
+})
+
+test("simulation_oscilloscope_trace rejects ambiguous references and units", () => {
+  expect(() =>
+    simulation_oscilloscope_trace.parse({
+      type: "simulation_oscilloscope_trace",
+      simulation_voltage_probe_id: "simulation_voltage_probe_123",
+      simulation_current_probe_id: "simulation_current_probe_123",
+    }),
+  ).toThrow()
+
+  expect(() =>
+    simulation_oscilloscope_trace.parse({
+      type: "simulation_oscilloscope_trace",
+      simulation_voltage_probe_id: "simulation_voltage_probe_123",
+      amps_per_div: 0.001,
+    }),
+  ).toThrow()
+})
diff --git a/tests/simulation_voltage_probe.test.ts b/tests/simulation_voltage_probe.test.ts
index c5f489e9..a3555aaa 100644
--- a/tests/simulation_voltage_probe.test.ts
+++ b/tests/simulation_voltage_probe.test.ts
@@ -96,33 +96,6 @@ test("simulation_voltage_probe parses with name", () => {
   expect(probe.name).toBe("My Probe")
 })
 
-test("simulation_voltage_probe parses with display options", () => {
-  const input: SimulationVoltageProbeInput = {
-    type: "simulation_voltage_probe",
-    signal_input_source_net_id: "net1",
-    name: "VOUT_PROBE",
-    color: "#315cff",
-    display_options: {
-      label: "VO",
-      center: 3.3,
-      offset_divs: 3,
-      units_per_div: 0.05,
-    },
-  }
-
-  const result = simulation_voltage_probe.parse(input)
-  const probe = result as SimulationVoltageProbe
-
-  expect(probe.display_options).toEqual({
-    label: "VO",
-    center: 3.3,
-    offset_divs: 3,
-    units_per_div: 0.05,
-  })
-  expect(probe.color).toBe("#315cff")
-  expect(() => any_circuit_element.parse(input)).not.toThrow()
-})
-
 test("simulation_voltage_probe (differential) with mixed connections should throw", () => {
   const input: SimulationVoltageProbeInput = {
     type: "simulation_voltage_probe",