Easy Technical Analysis for CSE Investors

Technical analysis is the practice of reading price charts and statistical indicators to forecast where a stock is likely to move next. Unlike fundamental analysis — which looks at a company's revenue and earnings — technical analysis focuses entirely on price action and trading volume.

For investors on the Colombo Stock Exchange (CSE), technical analysis is particularly useful because it works on any timeframe and doesn't require access to insider knowledge or complex financial statements. If the price has moved, the chart shows it.

The Relative Strength Index (RSI) measures how fast and how much a stock has moved over the past 14 trading days. It outputs a number between 0 and 100.

When a CSE stock's RSI drops below 30, it means the stock has been heavily sold and may be undervalued relative to recent trading. Conversely, an RSI above 70 suggests recent buyers have pushed the price higher than sustainable momentum supports.

RSI alone is not a complete signal. A stock can stay oversold for weeks during a prolonged market downturn. Always wait for RSI to turn back up before entering a trade.

MACD(Moving Average Convergence Divergence) tells you whether a stock's short-term momentum is accelerating or decelerating. It consists of three components:

• MACD Line: The difference between the 12-day and 26-day exponential moving averages
• Signal Line: A 9-day moving average of the MACD line
• Histogram: The gap between the MACD line and signal line — the key number to watch

For Sri Lanka stock market investing, MACD crossovers on the daily chart are most reliable. Weekly crossovers signal larger trend changes that can last several months.

Bollinger Bandsdraw three lines around a stock's price: a 20-day moving average (middle band), and upper/lower bands placed two standard deviations above and below.

The key insight: price almost always returns to the middle band. When a CSE stock touches the lower band, it is statistically stretched downward and often bounces back. When it touches the upper band, it may be stretched upward.

A Bollinger squeeze — when the bands narrow sharply — predicts a large price move is coming, though not which direction. Watch for the breakout with rising volume to confirm the direction.

Volume is the number of shares traded in a session. It is the single most important confirmation tool for any signal.

A rule of thumb: price moves with high volume are real; price moves with low volume are suspect. If a CSE stock breaks above resistance on 3× its average daily volume, that breakout is likely genuine. If it breaks on thin volume, the move may reverse quickly.

CSE-BOT tracks the volume ratio: today's volume divided by the 20-day average. A ratio above 1.5× means significantly elevated activity and increases signal confidence.

No single indicator is reliable on its own. The most robust CSE trading signals occur when multiple indicators align at the same time.

This is exactly the scoring system CSE-BOT uses. Each indicator contributes a weighted score, and news sentiment (analysed by AI) can boost or reduce that score by up to three points.

The Colombo Stock Exchange operates Monday to Friday, 9:30 AM to 2:30 PM Sri Lanka Time (LKT). A few quirks to keep in mind:

• Liquidity varies widely: Blue-chip stocks like JKH, COMB, and SAMP have good daily volume. Mid-cap and small-cap CSE stocks can go days with very few trades. Apply technical signals only to stocks with consistent daily volume.
• News moves the market fast: CSE prices react sharply to earnings releases, dividend announcements, and macroeconomic news (interest rates, LKR exchange rate). Watch for high-volume moves around news days.
• Sector rotation matters: Banking, diversified holdings, and manufacturing tend to lead the ASPI. When the index is rising, leading sectors often outperform regardless of individual stock technicals.
• Timeframes: Daily charts work best for CSE swing trades (3–15 days). Weekly charts help identify the broader trend. Avoid intraday trading on the CSE — there is rarely enough volume.

Technical analysis tells you when to enter and exit. Risk management determines how much to risk. These rules apply whether you invest LKR 10,000 or LKR 10 million:

CSE-BOT calculates a stop loss for every signal — derived from the nearest support level and the Bollinger lower band. The platform also shows the exact risk in LKR terms for a LKR 10,000 investment, making it easy to size positions correctly.

Reading six indicators across 200+ CSE stocks every morning would take hours. CSE-BOT does it automatically:

1. 1Data ingestion: Historical OHLCV data is pulled from TradingView and Yahoo Finance for every tracked CSE stock.
2. 2Indicator calculation: RSI (14), MACD (12/26/9), Bollinger Bands (20/2), 10-day momentum, and volume ratio are computed for each stock.
3. 3Signal scoring: Each indicator votes for BUY, HOLD, or SELL. Votes are weighted by reliability and combined into a composite score.
4. 4AI news boost: Google Gemini reads the latest CSE news headlines, analyses sentiment, and adjusts each signal score by ±3 points.
5. 5Signal output: Stocks scoring above a threshold become STRONG BUY or BUY signals with entry price, target, stop loss, and confidence percentage.