What is WMA (Weighted Moving Average)? How It Differs from SMA and EMA
What is Weighted Moving Average (WMA)? Meaning and Importance in India
A Weighted Moving Average (WMA) assigns linearly increasing weights to recent prices: the latest close counts the most, and the oldest counts the least. It reacts faster than an SMA but in a more measured way than an EMA. It suits traders wanting a middle path.
In a 5-day WMA, today's close gets weight 5, yesterday's gets 4, down to weight 1 for the oldest day. A sudden move in JSW Steel therefore tilts the WMA quickly, while old prices fade in influence step by step.
WMA = (P1×n + P2×(n−1) + ... + Pn×1) / (n + (n−1) + ... + 1)
How does the WMA compare with SMA and EMA?
The SMA weights all periods equally and lags the most. The EMA weights recent prices exponentially and reacts fastest. The WMA sits between them: linear weighting makes it noticeably quicker than the SMA without the EMA's jumpiness. Traders choose based on how much noise their strategy can tolerate.
How do traders use the WMA?
It serves the same roles as other averages: trend filter, dynamic support and crossover component. Short-term traders use WMA crossovers for slightly earlier signals than SMA systems with fewer false starts than EMA systems. The WMA is also the building block of the Hull Moving Average, a popular low-lag indicator.
Concepts like the WMA become easier with practice. Start with small positions in equity delivery, and read more chart lessons in the Knowledge Center before scaling up.
Technical analysis involves interpretation. The same chart can be read differently by different traders. Always combine multiple tools and manage risk before acting on any signal.
Frequently Asked Questions
When should I prefer a WMA over other averages?
When SMA signals feel too late but EMA signals feel too noisy on your timeframe. The WMA's linear weighting offers a compromise. Backtesting on your specific stocks settles the choice.
Is the WMA available on Indian trading platforms?
Yes, all major charting platforms used for NSE and BSE include WMA as a standard overlay. You simply select the period and apply it. Multiple WMAs can be layered for crossover systems.
What periods work well with WMA?
The same conventions apply: 10 or 20 for short-term, 50 for medium-term. Because WMA is faster than SMA, some traders use slightly longer WMA periods for equivalent smoothness. Match the period to your holding time.
What is the Hull Moving Average connection?
The Hull MA combines multiple WMAs to cut lag dramatically while staying smooth. It is built entirely from weighted averages. Traders wanting very responsive trend lines often graduate from WMA to Hull.
Do professional traders actually use the WMA?
It is less famous than SMA and EMA but appears in many systematic models precisely for its balanced response. Volume-weighted variants extend the same idea using traded volume. StockkAsk can explain how the three average types differ on a live chart.
Investments in securities market are subject to market risks. This article is for educational purposes only and does not constitute investment advice.
INDIRA SECURITIES PRIVATE LIMITED : SEBI REG. NO.: INZ000188930, NSE TMID: 12866, BSE TMID: 663, CDSL DPID: 17000, MCX TM ID: 56470, NCDEX TM ID: 01277, CDSL REG.NO.: IN-DP-90-2015, CIN:U67120MP1996PTC085111, RA SEBI REG. No.: INH000023269, IA SEBI REG No.: INA000021410
