MA Stack Array

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

46 lines of Pine Script v6 from validation/ta-triple-sma-stack-latch-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 27 — 3-MA stack with var-bool transition latch
// Purpose: parity test for triple-SMA stack with `var bool prevBull / prevBear`
// latch suppressing duplicate same-direction entries.
//
//@version=6
strategy("MA Stack Array", 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 ===
ma1Len = input.int(10, "MA 1 Length", minval=2)
ma2Len = input.int(20, "MA 2 Length", minval=2)
ma3Len = input.int(50, "MA 3 Length", minval=2)

// === Calculate MAs ===
ma1 = ta.sma(close, ma1Len)
ma2 = ta.sma(close, ma2Len)
ma3 = ta.sma(close, ma3Len)

// Check stack order directly (no array crash risk)
bullStack = ma1 > ma2 and ma2 > ma3
bearStack = ma1 < ma2 and ma2 < ma3

// === Track transitions ===
var bool prevBull = false
var bool prevBear = false

if bullStack and not prevBull
    strategy.entry("Long", strategy.long)
if bearStack and not prevBear
    strategy.entry("Short", strategy.short)

prevBull := bullStack
prevBear := bearStack

// === Exit when stack breaks ===
if strategy.position_size > 0 and not bullStack
    strategy.close("Long")
if strategy.position_size < 0 and not bearStack
    strategy.close("Short")

plot(ma1, "MA 10", color=color.blue)
plot(ma2, "MA 20", color=color.green)
plot(ma3, "MA 50", color=color.red)

Overview

MA Stack Array identifies a bull stack when the shortest exceeds the middle which exceeds the longest, and a bear stack in the opposite direction. A var-bool latch tracks prior states to suppress duplicate entries on the same side. The strategy enters long on a new bull stack and short on a new bear stack, then exits when the stack order breaks. Inputs control the three MA lengths. The three MAs draw as colored plots on the price chart. It has no stop loss and exits on stack break.

• triple SMA stack
• var bool transition latch
• duplicate entry prevention
• stack break exit
• MA overlay plots

Details

Settings

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

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