Five backtests that reveal typical post event moves on the economic calendar

Zimbabwe News Update

🇿🇼 Published: 06 January 2026
📘 Source: Mail & Guardian

South African traders quickly notice that markets often move in repeatable ways after big data releases and policy events. Jobs numbers, inflation surprises and South African Reserve Bank announcements rarely create completely unique reactions. Instead, they tend to fall into patterns that repeat with variations.

The question is how to turn those patterns into practical trading insight rather than vague memories of wild candles on USDZAR. A structured way to do this is by building your own tests around theeconomic calendar. Instead of trading every event on gut feel, you can go back through past releases and check what usually happens in the minutes and hours after the numbers hit.

This kind of research is within reach of retail traders in Johannesburg, Cape Town, Durban and smaller towns if they focus on a few simple studies. Without evidence, it is easy to convince yourself that every announcement is special. Backtesting cuts through that illusion.

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When you examine how USDZAR, EURZAR or GBPZAR behaved after similar events in the past, you start to see: This information does not guarantee the future, but it gives South African traders a base to work from. You move from guessing to acting on observed tendencies. The South African Reserve Bank decisions are key events on the local calendar.

Markets care about both the rate change and the tone of the statement. A simple first test is to measure how far USDZAR typically moves in the 30 minutes after the decision. Take the last 10 to 20 SARB meetings.

For each one, note the opening price on USDZAR one minute before the statement and the price 30 minutes later. Record the size of the move in pips and the direction. Over a decent sample you may discover that: For a South African trader, this backtest helps set realistic expectations.

You can decide whether your strategy belongs in that 30 minute window or whether conditions are too wild for your style. Even from South Africa, United States employment data remains one of the most watched events in forex. It shapes expectations for US rates and global risk sentiment, both of which influence the rand.

For this backtest, focus on USDZAR and at least one major such as EURUSD. For each recent nonfarm payroll release, capture: Patterns you might see include a wide first candle followed by consolidation, or a fake move in the first few minutes that reverses and runs in the opposite direction. Knowing which behaviour appears most often helps South African traders plan whether to trade the first reaction or to wait for a secondary move.

Inflation releases matter for both South African and global policy decisions. Another valuable test is to look at how USDZAR behaves after South AfricanCPIand after United States CPI.

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📰 Article Attribution
Originally published by Mail & Guardian • January 06, 2026

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