休息室›洞察
解读加密货币、股票和 AI 的核心概念与最新话题
休息室›洞察
解读加密货币、股票和 AI 的核心概念与最新话题

The NYSE and Nasdaq trade 9:30 a.m. to 4:00 p.m. Eastern Time. In Korea Standard Time that is 10:30 p.m. to 5:00 a.m. while US daylight saving time is in effect, and 11:30 p.m. to 6:00 a.m. after it ends. Conversion table, DST dates and official holidays inside.

Some U.S. companies let you buy shares directly through a transfer agent and reinvest dividends automatically. Here is how direct stock purchase plans and DRIPs work, what they cost, and the trade-offs versus a brokerage account, as of October 2026.

A high dividend yield tells you little about whether the payment will last. Learn to separate price-driven yields from real income, read the payout ratio, test free cash flow coverage and judge dividend growth.

The US taxes long-term gains at 0%, 15% or 20% based on taxable income, the UK charges 18% or 24% after a £3,000 allowance, and Canada adds half of the gain to your income. Worked examples, checked against official guidance as of October 2026.

Portfolio diversification spreads money across investments that do not move in lockstep. See the two-asset formula worked out step by step, sample allocations by risk profile, and a simple checklist for your own portfolio.

Start retirement investing with your income gap, not a product. Learn a three-step savings estimate, how time horizon and risk tolerance shape your stock and bond mix, when to rebalance, and the 2026 US contribution limits.

Buying an ETF works much like buying a stock, but a fund deserves a few extra checks. Here is the common workflow across brokerage apps, plus the order-type, cost and timing details that trip up first-time buyers.

The 2027 Social Security COLA depends on average CPI-W for July through September 2026. As of October 13, 2026, no official figure exists; September CPI is scheduled for October 14 at 8:30 a.m. ET. Here is the formula, the payment timeline and what affects your net check.

Korean residents pay no capital gains tax on most on-exchange sales of listed Korean shares, but gains on US and other foreign stocks must be self-reported every May. Here is how the rules, rates and deadlines work.