Latest brief· Base date 2026-10-15
Root Inside Daily Brief 2026-10-15
Index close for 2026-10-15, next-day closing range and recordPublished 2026-10-16 · written the day after the base date because the source is published on the next business day (T+1)
Index close
Kospi
5,554.22
vs previous close -454.59 pts (-7.57%)
Source: Financial Services Commission (Korea), market index price information, as of 2026-10-15
Kosdaq
760.82
vs previous close -63.06 pts (-7.65%)
Source: Financial Services Commission (Korea), market index price information, as of 2026-10-15
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 2026-10-19
- 80%
- 5,232.02 ~ 5,887.28
- 90%
- 5,099.12 ~ 5,986.37
Source: Computed in house from the public sources only, as of 2026-10-15
Source: Financial Services Commission (Korea), market index price information, as of 2026-10-15
Kosdaq
Target close 2026-10-19
- 80%
- 717.80 ~ 799.26
- 90%
- 701.38 ~ 811.66
Source: Computed in house from the public sources only, as of 2026-10-15
Source: Financial Services Commission (Korea), market index price information, as of 2026-10-15
Check of the previously published range
| Index | Actual close | 80% | 80% result | 90% result |
|---|---|---|---|---|
| Kospi | 5,554.22 | 5,722.79 ~ 6,355.86 | outside | outside |
| Kosdaq | 760.82 | 799.52 ~ 870.50 | outside | outside |
Source: Financial Services Commission (Korea), market index price information, as of 2026-10-15 · Computed in house from the public sources only, as of 2026-10-13
Source: Financial Services Commission (Korea), market index price information, as of 2026-10-15 · Computed in house from the public sources only, as of 2026-10-13
Public macro data
- U.S. weekly crude oil stocks (excluding the Strategic Petroleum Reserve)415,577 thousand barrelsPrevious 424,134 (2026-10-02)Source: U.S. Energy Information Administration, weekly crude oil stocks, as of 2026-10-09 · U.S. Energy Information Administration, weekly crude oil stocks, as of 2026-10-02
Calendar (official notices)
- 2026-10-28U.S. Federal Open Market Committee rate decisionNotice: 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 2026-10-15
- U.S. Energy Information Administration, weekly crude oil stocks (U.S. Energy Information Administration open data; U.S. federal public domain), as of 2026-10-09
- 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.
Earlier briefs