STRASMORE/EXPLORE 2,170 QUERIES

Biggest stock losers over the past week

Answered against 22 years of US equities and 12 years of US options data and published with the query that produced it. This result is stored as of 2026-08-25, from Weekly Market Recap: The Week in Numbers.

as of ranking 7×3read in context →
Biggest stock losers over the past week — 7 rows by 3 columns, computed from US exchange, SIP and OPRA data.
tickerweek_return_pctweek_dollar_bn
AXTI-27.12.1
AAOI-26.63.1
CBRS-22.74.8
NBIS-21.814.2
FN-18.42.1
CRDO-17.52.6
COHR-16.14.6
Rows × columns
7 × 3
Computed
Completeness
No missing values
Source
US exchange, SIP and OPRA market data
Licence
Strasmore terms · free, no signup
Formats
JSON · CSV · the SQL below

What each column holds

Column definitions for Biggest stock losers over the past week, derived from the stored result.
ColumnTypeRangeNotes
ticker text 7 distinct values (AAOI, AXTI, CBRS…)
week_return_pct number -27.1 to -16.1 percent
week_dollar_bn number 2.1 to 14.2

Computed from Strasmore's warehouse of US exchange, SIP and OPRA market data. Equity prices are delayed; options greeks and implied volatility are end-of-day. This result is stored, not recomputed on load — it is exactly the numbers that were returned on , and the query below is what returned them.

the exact SQL behind every number 
WITH sess AS (
    SELECT ticker, toDate(toTimeZone(window_start, 'America/New_York')) AS d,
        argMin(toFloat64(open), toTimeZone(window_start, 'America/New_York')) AS o,
        argMax(toFloat64(close), toTimeZone(window_start, 'America/New_York')) AS c,
        sum(toFloat64(close) * toFloat64(volume)) AS dv
    FROM global_markets.delayed_stocks_minute_aggs
    WHERE window_start >= now() - INTERVAL 12 DAY AND ticker NOT IN ('SPCX','SOXL','SOXS','TQQQ','SQQQ','NVDL','NVDS','NVD','TSLL','TSLQ','TSLZ','SPXL','SPXS','UPRO','SPXU','LABU','LABD','FAS','FAZ','TNA','TZA','YINN','YANG','UDOW','SDOW','BOIL','KOLD','UCO','SCO','USD','SSO','SDS','QLD','QID','ERX','ERY','DRN','DRV','CURE','SOXY','MUU','SNXX','UVXY','SVXY','UVIX','SVIX','BULZ','WEBL','WEBS','DPST','DRIP','GUSH','AGQ','ZSL','BITX','ETHU','MSTX','MSTU','CONL','DUST','JNUG','JDST','NUGT') AND (toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York'))) BETWEEN 570 AND 959
    GROUP BY ticker, d
),
wk AS (SELECT ticker, argMin(o, d) AS wo, argMax(c, d) AS wc, sum(dv) AS wd, count() AS n
       FROM sess WHERE d >= (SELECT max(d) FROM sess) - 6 GROUP BY ticker)
SELECT ticker, round((wc / wo - 1) * 100, 1) AS week_return_pct, round(wd / 1e9, 1) AS week_dollar_bn
FROM wk WHERE wd >= 1000000000 AND wo >= 10 AND n >= 4
ORDER BY (wc / wo - 1) ASC LIMIT 7

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