Explore the previous trading day in detail.
Explore the previous trading day in detail.
Explore the selected trading day in detail.
Regular-session traded value rose 2.1% from the previous day to $3,560,000,000. Trading activity diverged across sessions: after-hours traded value increased 6.1%, while pre-market traded value decreased 12.1%. RBNE and AMOD were volatile in both the pre-market and regular sessions.
October 21 at 20:20 Written (ET)The largest moves, from overnight to after-hours.
Overnight-session traded value totaled $4,285,000, down 77.6% from the previous day. ATGL (+4.86%, $314,000) ranked among the leading gainers, while SAIQ (-10.29%, $554,000) traded lower.
Pre-market traded value fell 12.1% from the previous day to $450,000,000. RBNE (+109.97%, $72,882,000) posted a sharp gain, while NIVF (-26.52%, $2,815,000) declined.
Regular-session traded value totaled $3,560,000,000, up 2.1% from the previous day. POM (+110.50%, $39,280,000) was actively traded among gainers, while RBNE (-76.20%, $32,071,000) showed substantial volatility among losers.
After-hours traded value rose 6.1% from the previous day to $440,000,000. STAK (+59.00%, $34,575,000) rose, while NVEC (-21.42%, $5,128,000) finished lower.
Trading activity on 2026-10-21 diverged across sessions. Regular-session and after-hours traded value rose +2.1% and +6.1%, respectively, from the previous day, while pre-market traded value fell -12.1%. RBNE's daily high was observed in pre-market trading at +427.90% relative to the previous close, while its separately measured change within the regular session was -76.20%. CJMB's daily low was observed in the regular session at -41.93% relative to the previous close, highlighting its decline during that session. Overall, individual stocks posted large gains and losses across sessions, and market moves varied by session alongside changes in traded value.
Times use ET and trading dates follow the U.S. market. Comparison prices and observation windows differ by ranking.
vs. previous regular close · overnight through after-hours
10/20, 20:00 – 10/21, 20:00 ET · Previous trading day 2026-10-20
Market cap $500M maximum 2,298eligible stocks out of 1,463종목을 비교합니다. 기준 종가 $0.10 이상·하루 거래대금 $100K 이상·유효 1분봉 5개 이상이 기준입니다. Compares official closing prices on the same share basis. Stocks are excluded on dates when splits or conversions change the comparison basis. Times refer to the first minute bar containing the high or low. The largest decline is not a peak-to-trough drawdown.
Price observations 179stocks · eligible for ranking 7종목 · 거래대금 $100K 이상
10/20, 20:00 – 10/21, 04:00 ET · Blue Ocean ATS
Included after market-cap verification 2,298stocks · unverified market caps excluded 983Stocks
Price observations 1,204stocks · eligible for ranking 84종목 · 거래대금 $100K 이상
10/21, 04:00 – 10/21, 09:30 ET · U.S. consolidated market data
Included after market-cap verification 2,298stocks · unverified market caps excluded 983Stocks
Price observations 2,269stocks · eligible for ranking 1,395종목 · 거래대금 $100K 이상
10/21, 09:30 – 10/21, 16:00 ET · U.S. consolidated market data
Included after market-cap verification 2,298stocks · unverified market caps excluded 983Stocks
Price observations 2,000stocks · eligible for ranking 122종목 · 거래대금 $100K 이상
10/21, 16:00 – 10/21, 20:00 ET · U.S. consolidated market data
Included after market-cap verification 2,298stocks · unverified market caps excluded 983Stocks
Requires prices in the first and last 30 minutes, at least five valid minute bars, and opening and closing prices of at least $0.10. Changes are measured from session open to close and may differ from changes against the previous trading-day close.
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