Input Source Runtime Override

Add It to Your TradingView Chart

1. 1Copy the scriptPress Copy script above, or the copy button on the code below.
2. 2Open the Pine EditorOpen a TradingView chart and choose Pine Editor at the bottom of the screen.
3. 3Paste over the templateCreate a new strategy, select all of the template text and paste. Press Save and give it a name.
4. 4Add it to the chartPress Add to chart. The trades and results appear in the Strategy Tester tab; adjust the settings with the gear icon.

Source Code

30 lines of Pine Script v6 from validation/input-source-runtime-override-high-01/strategy.pine, published under Apache-2.0. Keep the author's credit and licence lines when you reuse it.

// This Pine Script® code is licensed under Apache-2.0
// SPDX-License-Identifier: Apache-2.0
// © PineForge contributors 2026
//
// PF probe — input.source RUNTIME OVERRIDE (#23 / codegen #9)
// Purpose: parity test for changing the price series fed to an indicator at
// RUN TIME via the input panel (not the script default). The script defaults
// the source to `close`; the probe overrides the "Source" input to `high`.
// Pre-fix the engine routed input.source to get_input_double, where the
// override string ("high") failed std::stod and silently fell back to close —
// so the override was ignored. Post-fix get_input_source resolves "high" to
// the native high series, matching TV when the input is set to High.
//
//@version=6
strategy("input.source runtime override", overlay=true, initial_capital=1000000, process_orders_on_close=false, pyramiding=1, commission_type=strategy.commission.percent, commission_value=0, slippage=0, default_qty_type=strategy.fixed, default_qty_value=1)

// === Inputs ===
src     = input.source(close, "Source")
fastLen = input.int(10, "Fast Length", minval=2)
slowLen = input.int(30, "Slow Length", minval=5)

// === MAs computed on the (overridable) source ===
fast = ta.sma(src, fastLen)
slow = ta.sma(src, slowLen)

// === Signals ===
if ta.crossover(fast, slow)
    strategy.entry("Long", strategy.long)
if ta.crossunder(fast, slow)
    strategy.entry("Short", strategy.short)

Overview

The source defaults to close but can be overridden at runtime via the input panel, for example to high. It signals long entries on fast SMA crossing above slow SMA and short entries on the reverse crossover. The main settings allow changing the source and the lengths of the moving averages. It has no stop loss and uses pyramiding of 1, allowing multiple positions in the same direction. It is designed as a probe for testing runtime overrides of input.source in Pine Script.

• runtime source override
• moving average crossover
• long short signals
• price chart overlay
• fixed position sizing

Details

Settings

The inputs you can change from the gear icon on the chart. Defaults are the author's.

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