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Glossary › variance

Trading glossary · psychology

variance

The natural up-and-down of results from luck, so even a good plan has bad stretches.

The fuller meaning

The natural spread of results around the average. It means even a solid method has stretches that look bad and a poor one can look good for a while; judging decisions by process, sizing small and using large samples keep variance from misleading you.

variance.

Related words

anchoring · boredom trading · chasing · cognitive bias · confirmation bias · consistency · cool-down rule · discipline · disposition effect · emotion