Latest brief· Base date 2026-10-12

Root Inside Daily Brief 2026-10-12

Index close for 2026-10-12, next-day closing range and recordPublished 2026-10-13 · written the day after the base date because the source is published on the next business day (T+1)

Index close

Kospi

6,384.24

vs previous close -241.69 pts (-3.65%)

Source: Financial Services Commission (Korea), market index price information, as of 2026-10-12

Kosdaq

849.19

vs previous close -43.08 pts (-4.83%)

Source: Financial Services Commission (Korea), market index price information, as of 2026-10-12

Ranges 80% · 90%

Two-trading-day range from the base close

Each range is a statistical range for the close two trading days after the base date's close. Because the source data is published on the next business day (T+1), the first of those two trading days may already be under way when the range is published. It says nothing about direction.

Kospi

Target close 2026-10-14

80%: 6,086.65 ~ 6,690.57
90%: 5,967.70 ~ 6,773.05

Source: Computed in house from the public sources only, as of 2026-10-12

Source: Financial Services Commission (Korea), market index price information, as of 2026-10-12

Kosdaq

Target close 2026-10-14

80%: 810.54 ~ 883.85
90%: 798.16 ~ 894.63

Source: Computed in house from the public sources only, as of 2026-10-12

Source: Financial Services Commission (Korea), market index price information, as of 2026-10-12

Check of the previously published range

Index	Actual close	80%	80% result	90% result
Kospi	No range was published for 2026-10-12
Kosdaq	No range was published for 2026-10-12

Full track record →

Public macro data

U.S. weekly crude oil stocks (excluding the Strategic Petroleum Reserve)
424,134 thousand barrels
Previous 427,320 (2026-09-25)
Source: U.S. Energy Information Administration, weekly crude oil stocks, as of 2026-10-02 · U.S. Energy Information Administration, weekly crude oil stocks, as of 2026-09-25

Calendar (official notices)

2026-10-28
U.S. Federal Open Market Committee rate decision
Notice: Federal Reserve Board

Sources

Financial Services Commission (Korea), market index price information (Korea public data portal dataset 15094807; no restriction on permitted use), as of 2026-10-12
U.S. Energy Information Administration, weekly crude oil stocks (U.S. Energy Information Administration open data; U.S. federal public domain), as of 2026-10-02
Calendar: notices from Federal Reserve Board

Ranges and records are computed in house from the public sources above only.

For research purposes only; not a solicitation or an offer of any financial product. Past statistics do not indicate future outcomes.

Method, limits and disclaimer →