Mean Reversion Bollinger

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

41 lines of Pine Script v6 from validation/ta-bb-rsi-mean-reversion-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 16 — Bollinger mean-reversion with RSI confirm
// Purpose: parity test for combined ta.bb() boundary breach + ta.rsi() OB/OS
// confirmation entry.
//
//@version=6
strategy("Mean Reversion Bollinger", 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 ===
bbLen  = input.int(20, "BB Length", minval=5)
bbMult = input.float(2.0, "BB Multiplier", step=0.1)
rsiLen = input.int(14, "RSI Length", minval=1)
rsiOB  = input.int(70, "RSI Overbought")
rsiOS  = input.int(30, "RSI Oversold")

// === Indicators ===
[bbMid, bbUpper, bbLower] = ta.bb(close, bbLen, bbMult)
rsiVal = ta.rsi(close, rsiLen)

// === Mean reversion: price at extremes + RSI confirmation ===
longCond  = close < bbLower and rsiVal < rsiOS
shortCond = close > bbUpper and rsiVal > rsiOB

// === Strategy ===
if longCond
    strategy.entry("Long", strategy.long)
if shortCond
    strategy.entry("Short", strategy.short)

// === Exit at midline ===
if strategy.position_size > 0 and close > bbMid
    strategy.close("Long")
if strategy.position_size < 0 and close < bbMid
    strategy.close("Short")

plot(bbUpper, "Upper", color=color.red)
plot(bbMid, "Mid", color=color.gray)
plot(bbLower, "Lower", color=color.green)

Overview

Mean Reversion Bollinger opens long positions when price drops below the lower band with an oversold RSI reading, and opens short positions when price exceeds the upper band with an overbought RSI reading. Trades are closed when price returns to the Bollinger Band midline. Users can adjust the band length, multiplier, RSI period, and overbought/oversold levels. The strategy relies solely on midline exits and does not include a stop loss.

• Bollinger Band boundary breach detection
• RSI overbought and oversold signal filtering
• Midline exit condition for mean-reversion trades
• Customizable band and oscillator parameters

Details

Settings

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

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