hintavahti
Hintavahti is a Finnish term meaning price guard or price watchdog. It refers to a system or service that monitors the prices of goods and services over time, and it can deliver alerts when prices change beyond preset thresholds. The word is composed of hint(a) for price and vahti for guard or watcher. In practice, hintavahti can denote consumer-oriented tools such as price-tracking apps and browser extensions, as well as internal price governance features used by retailers or marketplaces to observe price movements.
These tools gather price data from retailer catalogs, APIs, or web scraping, record time-stamped histories, and
Limitations include data accuracy and coverage, possible selection bias in the observed set of products, and