K코싸크 — 코인·주식 차트와 모의투자코싸크

Using KOSAK

Written from the app's actual workflows and calculations. Revised 22 October 2026 · KOSAK Studio. The linked detailed articles are originally written in Korean; the reading pages offer an optional language selector.

First check the quote's identity

Choose a market before searching for an asset. The same symbol may refer to a different asset on another market. Compare currency, retrieval time and candle boundaries. Missing data is not a reason to substitute a different asset's price. Quote provenance with SUI

A virtual trade fills at the entered price

Open More → Paper trading → Buy. A quote supplies an editable price. Stocks start with share quantity and crypto with a budget; you can switch modes. Estimated fees are configurable. A virtual fill is saved immediately at the entered price: it is not a real order or a limit order waiting for the market. Follow a virtual buy

Average cost is not absolute loss

Buying more changes average cost and the capital denominator. At an unchanged market price it does not erase an existing loss. Equal shares and equal amounts also differ. A worked example

A score is not a probability

Outlook is a technical summary on a −100 to +100 scale. Historical direction accuracy needs a sample, evaluation window, baseline and uncertainty. There is no universal fixed hit rate for every market. Methodology · Reading accuracy

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