Bollinger Bands – what are they and how can you use them in FX day trading
Lachlan Meakin
22/9/2023
•
0 min read
Share this post
Copy URL
Bollinger Bands are one of the most popular indicators that FX and CFD traders use, invented in the 1980’s they are a technical analysis tool that are widely used by short and long term traders. The main uses for Bollinger Bands is determining turning points in the market at oversold and overbought levels and also as a trend following indicator. Like any technical indicator Bollinger Bands should be used with your own analysis to confirm trades and help set entry and exit levels, they are a fairly simple indicator that focuses on price and volatility only and shouldn’t, in my opinion be used in isolation.
While effective, to use them successfully you will need to be aware of the fundamentals and other technical indicators such as major support or resistance levels. How Bollinger Bands are calculated Bollinger Bands are composed of three lines. The middle line is a simple moving average (SMA), the default period being 20.
The upper and lower bands are the SMA plus or minus 2 standard deviations by default, the SMA period and Deviations can be adjusted in the settings of the indicator if desired, but the standard settings are the most popular settings among traders. When the price hits the upper band the market could be seen as “overbought” when it hits the lower band it could be seen as “oversold”, they can also be used as levels where trends are confirmed, e.g. hitting upper band could be seen as the start of a strong uptrend and vice versa. Day Trading strategies using Bollinger Bands Bollinger Bands are used mainly in two different trading styles, for contrarians looking for overbought and oversold levels to enter fade trades, or confirmation of trend for trend following systems. Both systems have their pros and cons, as with most indicators it will depend on the market “fee” for the time used, a choppy whipsawing market will see the fading system work very well, a strong trending market will see the trend following system work very well.
As with any technical system, the selection of the market to trade and being aware of the fundamentals driving the FX market at that time are critical.. Just had a Fed meeting where they surprised with a 100bp rate hike? Don’t use the fade system on USD pairs!
A good technical system I have found is useful is a mixture of both of these strategies, using the Bollinger Bands to confirm a trend, then using the fading strategy to trade pullbacks of this trend. Lets look at the example below from the AUDNZD – 5 minute chart from the 23 rd March 2023 In the above example, which is a common price action across all FX pairs, you would be using the Bolling Bands to confirm a down trend after a close below a major low. Once the possible trend is confirmed, we will be using the “overbought” level of the upper band to enter a short trade, with a take profit exit on 2 closes below the lower band, indicating the market may have gone into “oversold” territory and was time to take some money off the table.
This process would be repeated while lower highs were being made, a close above a major recent high along with a close above the upper Bollinger Band would indicate the trend may have come to an end. This can be seen on the chart below, later in the session on the same pair. At this point you would exit the short selling of the down trend and reverse to a long bias, or if your analysis on fundamentals were negative for this pair, wait for a new downtrend to form for another shorting run.
The Bollinger Squeeze Strategy Another strategy popular with FX traders is known as the Bollinger squeeze strategy. A squeeze occurs when the price has a big move, then consolidates in a tight range, this also sees the Bollinger bands go from wide to “squeeze” in a much narrower range, hence the name of the strategy. A trader would be looking for a breakout and close below or above the Bollinger bands of this squeezed range for a trade entry, see the example below from the EURUSD 5 Minute chart on 23 rd of March 2023 When the price breaks through the upper or lower band after this period of consolidation a buy or a sell signal is generated.
An initial stop is traditionally placed just above (or below in a long position) the range of the consolidation. TP rules could be similar to the previous strategy, i.e. multiple closes below the lower Bollinger Bans in the case of a short, or using the middle Bollinger Band as a trailing stop in the move is explosive and looks to continue. Summary As you can see there are multiple uses for Bollinger Bands in a FX day traders toolbox, including using them for overbought and oversold trade signals in a trending market and the Squeeze strategy where an explosive move often follows a period of consolidation.
There are also many more strategies using this indicator which I encourage you to research for yourself.
By
Lachlan Meakin
Head of Research, GO Markets Australia.
The information provided is of general nature only and does not take into account your personal objectives, financial situations or needs. Before acting on any information provided, you should consider whether the information is suitable for you and your personal circumstances and if necessary, seek appropriate professional advice. All opinions, conclusions, forecasts or recommendations are reasonably held at the time of compilation but are subject to change without notice. Past performance is not an indication of future performance. Go Markets Pty Ltd, ABN 85 081 864 039, AFSL 254963 is a CFD issuer, and trading carries significant risks and is not suitable for everyone. You do not own or have any interest in the rights to the underlying assets. You should consider the appropriateness by reviewing our TMD, FSG, PDS and other CFD legal documents to ensure you understand the risks before you invest in CFDs.
มันทำงานอย่างไร: EMA 50 ช่วงเวลาสามารถทำหน้าที่เป็นระดับการสนับสนุนแบบไดนามิกที่เพิ่มขึ้นเมื่อราคาสูงขึ้นในแนวโน้มขาขึ้น เทรดเดอร์บางรายเฝ้าดูให้ตลาดปรับตัวสูงขึ้นใหม่ (HH) จากนั้นดึงกลับไปสู่ EMA ก่อนที่จะปรับตัวสูงขึ้นอีกครั้งระดับต่ำที่สูงกว่า (HL) อาจบ่งชี้ว่าผู้ซื้อยังคงควบคุมอยู่
เมื่อราคาสัมผัสหรือใกล้เคียงกับ EMA 50 ช่วงระหว่างการถอยหลังนั้น เทรดเดอร์บางคนถือว่าพื้นที่นั้นเป็นโซนตัดสินใจที่อาจเกิดขึ้นแทนที่จะสันนิษฐานว่าแนวโน้มจะกลับมาโดยอัตโนมัติ
หากคุณต้องการทำความเข้าใจว่าผลตอบแทนจากการลงทุนจริง (ROI) อาจเกิดขึ้นที่ใดในฤดูกาลรายได้นี้ คุณต้องมองนอกรหัสพื้นที่ 650การเปลี่ยนจาก AI hype ไปสู่อุตสาหกรรม AI กำลังเปลี่ยนแผนที่
The full AI stack: from capex to consulting — GO Markets
Five companies · AI infrastructure play · 2026
The full AI stack: from capex to consulting
Infrastructure builders compared to the implementation bridge across the AI value chain
Note: Hyperscalers shown as 2026 CapEx spend. Accenture shown as cumulative advanced AI bookings ($11.5B through Q1 FY2026), reflecting its role as the adoption layer rather than the infrastructure layer.
Infrastructure (2026 CapEx projected)Implementation bridge (cumulative AI bookings)
Hyperscaler CapEx: Early 2026 analyst estimates, midpoint of ranges. Amazon approx. 100% YoY, Alphabet approx. 100%, Meta approx. 87%, Microsoft approx. 50%.
Accenture: Cumulative advanced AI bookings $11.5B through Q1 FY2026. Q1 AI bookings $2.2B (up 76% YoY), AI revenue $1.1B (up 120% YoY) across 1,300+ clients.
Safe-haven demand:
The Iran conflict directed flows into US assets across equities, Treasuries, and the dollar itself.
Yield advantage:
The federal funds rate at 3.50% to 3.75% provides a meaningful return floor relative to most peers, helping to sustain capital inflows.
Energy insulation:
The US position as an oil exporter creates a structural terms-of-trade benefit when oil prices rise sharply.
Rate cut repricing:
Market expectations for 2026 Fed cuts have been scaled back significantly, removing a key source of dollar headwinds.
What markets are watching next
The DXY's ability to hold above 100 is the near-term reference point. The 10 April CPI print is the most direct test. A reading above expectations may add further support, while a soft print could give traders reason to take some dollar positions off the table.
The main risks to the upside case are a sudden diplomatic resolution in the Middle East, which could reduce safe-haven demand quickly, or a labour market print on 3 April that is weak enough to revive recession concerns and push rate cut expectations higher again.
Energy import exposure:
Rising Brent crude hits New Zealand's trade balance directly and adds upside pressure to domestic inflation.
Yield gap:
The 2.25% Reserve Bank of New Zealand (RBNZ) policy rate sits below the Fed and the RBA, sustaining negative carry against both the USD and AUD.
Risk-off positioning:
As a commodity and risk currency, the NZD tends to underperform when global sentiment deteriorates.
Trade uncertainty:
Ongoing tariff related uncertainty continues to weigh on export sector confidence.
Risks and constraints
Any unexpected hawkish commentary from the RBNZ or a sharp decline in oil prices could provide some relief. A broader improvement in global risk appetite would also tend to benefit the NZD, given its sensitivity to sentiment shifts.
But the structural yield disadvantage is not going away quickly, and that may continue to limit the pair's recovery potential.
Tokyo CPI, 30 March (AEDT):
March inflation data. A strong read may build the case for BOJ action at the April meeting.
BOJ meeting, 27 and 28 April (AEST):
Markets are treating this as a live event. The quarterly outlook report may include updated inflation forecasts that shift rate hike timing expectations.
Intervention watch:
Japan's Ministry of Finance has been explicit about the 160 level. Actual intervention, or a credible threat of it, could trigger a sharp and fast reversal.
What could shift the outlook
A hawkish BOJ, actual FX intervention, or a softer US CPI print that reduces dollar support could all push USD/JPY lower from current levels. On the other side, a dovish hold from the BOJ combined with continued dollar strength could see the pair test 160 and potentially beyond, which would likely intensify the intervention conversation in Tokyo.
For traders watching AUD/JPY and other yen crosses, the BOJ meeting on 27 and 28 April carries similar weight. A hawkish shift tends to compress yen crosses broadly, not just USD/JPY.
ข้อมูลที่จะดูต่อไป
อีเวนต์สี่อย่างโดดเด่นในฐานะตัวเร่งปฏิกิริยา FX ที่มีศักยภาพที่ชัดเจนที่สุดในสัปดาห์ข้างหน้าแต่ละช่องมีช่องทางส่งโดยตรงเข้ากับความคาดหวังอัตราและความคาดหวังของอัตราจะผลักดันการเคลื่อนไหวมากใน FX ในตอนนี้
Key dates and FX sensitivity
30
Mar
Tokyo CPI
JPY pairs, USD/JPY · AEDT
A strong read may strengthen the case for a more hawkish BOJ at the April meeting.
3
Apr
US labour market (NFP)
USD pairs, AUD/USD, NZD/USD · 10:30 pm AEDT
A weak result could revive recession concerns and alter Fed pricing.
10
Apr
US CPI - March
USD/JPY, EUR/USD, gold · 10:30 pm AEST
The most direct test of whether inflation is easing fast enough to reopen the rate cut conversation.
27-28
Apr
BOJ meeting and quarterly outlook report
JPY crosses, AUD/JPY · AEST
The key policy event for yen crosses. Updated inflation forecasts may shift rate hike timing expectations.
A psychologically and technically significant support level. Holding above it may sustain the dollar's current run across major pairs. A break below it would likely signal a broader sentiment shift.
◆
USD/JPY 160.00
Japan's Ministry of Finance has consistently referenced this level as a threshold requiring attention. Actual intervention, or a credible threat of it, has historically been capable of producing sharp and fast reversals in the pair.
◆
Brent crude US$120
A move to this level would likely intensify risk off behaviour across FX markets, putting further pressure on energy importing currencies including the NZD, EUR, and JPY.
◆
AUD/USD 0.7000
This level has historically attracted buying interest and may act as a near term directional reference for positioning in the pair.
Bottom line
The FX moves heading into April were shaped by a combination of geopolitical shock, yield divergence, and a repricing of central bank expectations that few had positioned for at the start of the quarter. The dollar's dual role as a high yielding and safe haven currency has put it in an unusually strong position, but that position is not unconditional.
One soft CPI print, one diplomatic breakthrough, or one labour market miss could change the tone quickly. Currency moves may remain highly data dependent and sensitive to overnight news flow from the Middle East, where developments can gap markets before the next session opens.
เข้าถึงจักรวาล FX ที่กว้างขึ้นและยืดหยุ่นเมื่อเงื่อนไขเปลี่ยนแปลง เปิดบัญชี · เข้าสู่ระบบ
ความผันผวนทางภูมิศาสตร์ได้ผลักดันให้นักลงทุนประเมินตำแหน่งที่รุนแรงการเติบโตอีกครั้งการสร้างโครงสร้างพื้นฐาน AI มูลค่า 650 พันล้านดอลลาร์สหรัฐยังอยู่ภายใต้การตรวจสอบผลตอบแทนจากการลงทุนอย่างเข้มงวดเช่นกันหากฤดูกาลรายได้ทำให้ผิดหวังในด้านนั้น และหาก FOMC ส่งสัญญาณว่าจะหยุดยั้งเป็นเวลานาน การรวมกันอาจทดสอบความอยากความเสี่ยงในเดือนพฤษภาคม
Monitor this month (AEST)
◆
14 April - JPMorgan Chase Q1 earnings
The first major bank to report. Management commentary on credit conditions, consumer spending, and the macro outlook will set the tone for financial sector earnings and broader market sentiment.
◆
15 April - Bank of America Q1 earnings
A read on consumer credit conditions and household financial health, particularly relevant given rising energy costs and the 4.4% unemployment rate.
◆
28-29 April - FOMC meeting and policy statement
The month's most consequential event. The statement and any updated forward guidance may effectively confirm whether rate cuts remain a possibility for 2026.
◆
Ongoing - Strait of Hormuz tanker traffic
A live indicator of energy supply risk. Any escalation or resolution carries immediate implications for oil prices, inflation expectations, and the Fed's options.
◆
Ongoing - Sovereign AI export restrictions
Developing policy around technology export curbs may affect capital expenditure plans for US technology firms, with knock-on implications for growth and employment in the sector.
The Bigger Picture
Geopolitical volatility has forced a rotation into energy and defence at the expense of growth oriented technology positions. The estimated US$650 billion AI infrastructure buildout is increasingly being scrutinised for returns on investment. If earnings season disappoints on that front, and if the FOMC signals a prolonged hold, the combination could test risk appetite heading into May.
APAC Sections — GO Markets (Webflow embed snippets)
Key dates (AEST)
13
Apr
M2 money supply and new yuan loans
People's Bank of China
Medium
14
Apr
March balance of trade
General Administration of Customs
High
16
Apr
Q1 GDP and March industrial production
National Bureau of Statistics
High
What markets look for
Evidence of technology-driven industrial production growth consistent with Five-Year Plan priorities
March export resilience in the face of shifting global tariff frameworks
Signs of stabilisation in domestic consumer retail sales
Any implementation detail on the "new-type national system" for AI development
Why it matters for the region
China's shift toward high-value manufacturing and AI self-sufficiency could reshape regional supply chains and influence demand for commodities. A stronger-than-expected trade surplus may support broader regional sentiment, although higher energy costs can pressure margins for Chinese exporters and weigh on import demand. The 16 April GDP release carries the most weight as the first quarterly read on whether the 4.5%-5.0% target is tracking.
Statistics Bureau of Japan · Lead indicator for national trends (AEDT)
Medium
27–28
Apr
BOJ monetary policy meeting and outlook report
Bank of Japan · Live event for rate hike watch (AEST)
High
What markets look for
BOJ guidance on the timing of potential rate increases
March Tokyo CPI data as a lead indicator for national price trends
Updated inflation forecasts in the quarterly outlook report
Official comments on yen volatility and any reference to intervention thresholds
Why it matters
The BOJ remains a global outlier, with its short-term policy rate held at 0.75% after the March meeting, and any hawkish shift could trigger sharp moves in forex pairs involving the yen. Markets are weighing whether the BOJ can tighten policy while the government simultaneously resumes energy subsidies to shield households from rising oil costs. These competing pressures make the April meeting and outlook report unusually informative.
Whether Q1 underlying inflation remains above the RBA's 2%-3% target band
Labour market resilience in the face of rising borrowing costs
The pass-through of global energy prices into domestic transport and logistics costs
RBA minutes (31 March) for any signal of internal policy disagreement
Why it matters
The 29 April CPI release may be the most consequential domestic data point before the RBA's May meeting. If inflation proves sticky or accelerates due to global energy shocks, the probability of a further rate increase could rise, with implications for both the Australian dollar and volatility across the ASX 200. The PPI reading the following day may also provide early signal on whether producer-level cost pressures are building in the pipeline.
Regional themes
◆
ASEAN demand signals
March trade data from Singapore and Malaysia may indicate whether regional electronics demand is holding up amid global uncertainty.
◆
India growth trajectory
Elevated energy costs could weigh on India's 2026 expansion plans, particularly following the New Delhi AI summit and associated infrastructure commitments.
◆
Commodity sentiment
Iron ore and thermal coal prices remain sensitive to signals from China's industrial policy and the pace at which Five-Year Plan priorities translate into actual demand.
◆
Currency pressure
Energy-importing economies across Asia and Europe may face sustained currency headwinds if Brent crude holds above US$100 for an extended period.
