STRASMORE/EXPLORE 3,256 QUERIES 22Y EQUITIES · 12Y OPTIONS

3,256 answered market questions

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Biggest Stock Gainers and Losers This Week
Biggest stock losers this week (names trading $1B+, leveraged/inverse ETFs excluded)ranking · 2026-10-08 · 10×4Preview: 10 ranked values, smallest first. The four major index ETFs this week, for contextranking · 2026-10-08 · 4×2Preview: 4 ranked values, largest first. Biggest stock gainers this week (names trading $1B+, leveraged/inverse ETFs excluded)ranking · 2026-10-08 · 10×4Preview: 10 ranked values, largest first.
What Is RVOL (Relative Volume)? How to Read It
SPY: median shares traded per minute, by 30-minute clock bucket (ET, last 30 days, extended hours)series · 2026-10-04 · 32×2Preview: a 16-point series, roughly flat. SPY: average share of full-day volume completed by each clock time (last 20 sessions)ranking · 2026-10-04 · 5×2Preview: 5 ranked values, smallest first. Top 10 by full-day RVOL: latest completed session (20-day ADV above 5M shares, full history required)series · 2026-10-04 · 10×5Preview: a 10-point series, ending lower. Full-day RVOL percentiles across high-volume US stocks and ETFs (20-day ADV above 5M shares), latest completed sessionranking · 2026-10-04 · 6×2Preview: 6 ranked values, smallest first. MU, the biggest-volume session of June 2026: time-adjusted vs. naive RVOL, plus the full-day figurescalar · 2026-10-04 · 1×832.8
Most Active Stocks After Hours: How It Works
AAPL median quoted spread by half hour, across the close (July 29, 2026)series · 2026-10-04 · 10×3Preview: a 10-point series, roughly flat. One evening ranked: after-hours volume against the same day's regular sessionranking · 2026-10-04 · 13×4Preview: 13 ranked values, largest first. How often an after-hours extreme sat outside the next regular session's rangeseries · 2026-10-04 · 13×4Preview: a 13-point series, ending higher. Where the extended trading day's volume actually sits, by ET clock hourseries · 2026-10-04 · 16×4Preview: a 16-point series, roughly flat.
How Much Volume Trades at the Close
KO on Sep 23, 2026: shares traded per clock minute into the closeseries · 2026-10-03 · 11×3Preview: a 11-point series, ending higher. Tape conditions whose names mention the closetable · 2026-10-03 · 7×4 KO on Sep 23, 2026: the eight largest prints of the sessionranking · 2026-10-03 · 8×4Preview: 8 ranked values, largest first. KO: closing auction share of the day, August and September 2026series · 2026-10-03 · 42×3Preview: a 16-point series, ending lower. Closing auction share of consolidated daily volume, by day typeranking · 2026-10-03 · 4×3Preview: 4 ranked values, largest first.
Index Rebalance Day and the Closing Auction
Half-hour volume shares on the June 2026 recon session vs the prior 20 sessionsseries · 2026-10-01 · 14×3Preview: a 14-point series, ending lower. Closing-minute volume on four rebalance sessions vs each name's 20-session medianranking · 2026-10-01 · 12×4Preview: 12 ranked values, largest first. Distance from the 3:50 p.m. price to the closing minute, in basis pointsranking · 2026-10-01 · 12×3Preview: 12 ranked values, largest first. Share of session volume printed in the 4:00 p.m. minute, June 2026series · 2026-10-01 · 21×4Preview: a 16-point series, ending lower.
Do Volume Indicators Predict Anything?
OBV and VPT rebuilt from daily closes and volume, AAPL, Q2 2026series · 2026-10-01 · 62×4Preview: a 16-point series, ending higher. Forward returns after an OBV divergence vs matched confirmation daystable · 2026-10-01 · 3×7 Divergence gap in 20-session forward return across four lookbackstable · 2026-10-01 · 4×5 20-session OBV change vs trailing and forward returns, by tickerranking · 2026-10-01 · 10×4Preview: 10 ranked values, largest first.
Why Trading Volume Dies at Midday: U-Shape
Share of regular-session volume by half hour, SPY and AAPLseries · 2026-09-28 · 13×3Preview: a 13-point series, ending lower. Average one-minute SPY range in basis points, by half hourseries · 2026-09-28 · 13×3Preview: a 13-point series, ending lower. SPY open, midday and close volume against an average minute, by yearranking · 2026-09-28 · 8×4Preview: 8 ranked values, smallest first. Open, midday and close volume against an average session minuteranking · 2026-09-28 · 6×4Preview: 6 ranked values, smallest first.
What Is Triple Witching? Volume & Volatility
Witching Thursday vs. the two ordinary Fridays before it: US option contracts traded, and the same-day-expiring shareseries · 2026-09-28 · 3×4Preview: a 3-point series, ending higher. SPY on witching sessions vs. the same month's other sessions: intraday range and net move (% of the open)series · 2026-09-28 · 8×5Preview: a 8-point series, ending higher. Every quarterly witching session since September 2024: market-wide share volume vs. the month's other sessionsseries · 2026-09-28 · 8×5Preview: a 8-point series, ending lower. SPY's expiring June 18, 2026 series: contracts traded by strike, and each strike's distance from the closing priceranking · 2026-09-28 · 12×4Preview: 12 ranked values, largest first. Contract volume by expiration date: all US options traded June 1-18, 2026, top eight expiriesranking · 2026-09-28 · 8×2Preview: 8 ranked values, largest first. Closing auction prints of ten large S&P 500 members: dollar volume on witching day vs. a typical June 2026 sessionscalar · 2026-09-28 · 1×549.6
Triple Witching 2026 Dates and Volume Data
SPY on witching sessions vs. the same month's other sessions: intraday range and net move (% of the open)series · 2026-09-28 · 8×4Preview: a 8-point series, roughly flat. Every quarterly witching session since September 2024: market-wide regular-hours dollar volume before the closing auctions, vs. the month's other sessionsseries · 2026-09-28 · 8×4Preview: a 8-point series, ending lower. Dollar volume by half hour, closing auction prints in the final bucket: witching Thursday (Jun 18, 2026) vs. the ordinary Friday before it (Jun 12)series · 2026-09-28 · 13×3Preview: a 13-point series, ending higher.
Why Open Interest Updates Only Once a Day
Busiest AAPL option contracts on Jun 16, 2026, by contract volumeranking · 2026-09-24 · 12×3Preview: 12 ranked values, largest first. AAPL reported short interest by settlement date, first half of 2026series · 2026-09-24 · 12×3Preview: a 12-point series, ending higher. How AAPL option volume accumulated through one session (Jun 16, 2026)series · 2026-09-24 · 13×3Preview: a 13-point series, ending higher. AAPL daily option contract volume, June 2026series · 2026-09-24 · 21×4Preview: a 16-point series, ending lower.
Options Volume vs. Open Interest, Explained
Volume accumulates live: July 6, 2026 in half-hour buckets (ET), with a running totalseries · 2026-08-12 · 14×3Preview: a 14-point series, ending higher. Top 10 underlying roots by contracts traded, July 6, 2026table · 2026-08-12 · 10×5 One day of the US options tape: Monday, July 6, 2026scalar · 2026-08-12 · 1×860.6 July 6, 2026 volume by time to expiration: the tape is short-dated, the listed universe is nottable · 2026-08-12 · 5×5 Ten sessions of one long-dated contract: the SPY $620 put expiring 2026-12-18series · 2026-08-12 · 10×3Preview: a 10-point series, roughly flat. The ten busiest option contracts of July 6, 2026table · 2026-08-12 · 10×5
How Fractional Shares Hit the Tape
Small AAPL print sizes: five sessions in January 2026 against five in July 2026table · 2026-08-12 · 26×3 Average shares per print by month, September 2025 through July 2026series · 2026-08-12 · 11×5Preview: a 11-point series, ending lower. Odd lots, round lots and sub-one-share prints across six names, July 8 to 10, 2026ranking · 2026-08-12 · 6×4Preview: 6 ranked values, largest first. AAPL average print size across the February 2026 boundaryseries · 2026-08-12 · 19×4Preview: a 16-point series, roughly flat.
Trade Condition Codes Explained
Share of a session's prints carrying price-ineligible conditionsranking · 2026-08-07 · 5×4Preview: 5 ranked values, largest first. Two versions of the same AAPL session high, fifteen minutes at a timeseries · 2026-08-07 · 26×3Preview: a 16-point series, ending lower. Condition code families defined for US stocksranking · 2026-08-07 · 8×2Preview: 8 ranked values, largest first. One AAPL session, every print grouped by its sale conditionranking · 2026-08-07 · 12×3Preview: 12 ranked values, largest first.
Anchored VWAP Explained: Formula and Uses
How much the newest session can move an anchored VWAP (AAPL)ranking · 2026-08-07 · 13×2Preview: 13 ranked values, smallest first. Anchored at each name's own lowest close of the past twelve monthstable · 2026-08-07 · 5×5 Daily session VWAP against a VWAP anchored on one date (AAPL)series · 2026-08-07 · 62×4Preview: a 16-point series, ending higher. The same stock and the same last price, twelve different anchors (AAPL)ranking · 2026-08-07 · 12×3Preview: 12 ranked values, smallest first.
What Is VWAP? Volume-Weighted Average Price
The receipt: VWAP from every individual trade vs. the minute-bar shortcut (AAPL, July 2, 2026)scalar · 2026-07-26 · 1×5305.9162 Same session, five stocks, five VWAPs: final-minute price vs. session VWAP, July 2, 2026ranking · 2026-07-26 · 5×4Preview: 5 ranked values, largest first. AAPL, July 2, 2026: session VWAP vs. equal-weight average vs. the final-minute pricescalar · 2026-07-26 · 1×8390 AAPL price vs. running VWAP: July 2, 2026 regular session, sampled every 5 minutesseries · 2026-07-26 · 78×3Preview: a 16-point series, ending higher.
What Is the Opening Auction? How Stocks Open
The opening cross vs. the rest of the day: SPY, AAPL, NVDA on July 2, 2026series · 2026-07-26 · 3×12Preview: a 3-point series, ending higher. AAPL volume by quarter-hour, July 2, 2026: pre-market to after-hours (ET)series · 2026-07-26 · 64×2Preview: a 16-point series, roughly flat. The 9:30 bar vs. the 12:30 bar: SPY, AAPL, NVDA on July 2, 2026table · 2026-07-26 · 3×8 The tape's own labels for the open, straight from the code dictionaryranking · 2026-07-26 · 5×3Preview: 5 ranked values, smallest first. The receipt: AAPL's opening cross vs. everything that traded before it, July 1-2, 2026scalar · 2026-07-26 · 1×14390
What Is Dark Pool Trading? FINRA Volume Data
Where AAPL's trade reports came from on July 2, 2026: and which carry a TRF timestampranking · 2026-07-26 · 6×4Preview: 6 ranked values, largest first. The receipt: TRF timestamps and the FINRA venue code agree on every AAPL reportscalar · 2026-07-26 · 1×5390 Anatomy of TSLA's prints on July 2, 2026: off-exchange vs. on-exchangetable · 2026-07-26 · 2×7 Off-exchange share of matched volume: five liquid names, July 2, 2026ranking · 2026-07-26 · 5×4Preview: 5 ranked values, largest first. NVDA's off-exchange share of volume by Eastern-time hour, July 2, 2026ranking · 2026-07-26 · 16×4Preview: 16 ranked values, largest first.
What Is Average Daily Volume (ADV)?
MU's sharpest 2026 volume shock: the event day vs the trailing ADV before and afterscalar · 2026-07-26 · 1×664.7 MU: rolling 20-session vs 90-session ADV, December 2025 through July 10, 2026 (sampled every third session)series · 2026-07-26 · 49×3Preview: a 16-point series, ending higher. Options ADV: average daily contracts and share-equivalent exposure (June 11 – July 10, 2026)ranking · 2026-07-26 · 4×4Preview: 4 ranked values, largest first. ADV by hand: KO's five daily volumes, their sum, and the average (July 6–10, 2026)series · 2026-07-26 · 5×5Preview: a 5-point series, roughly flat. Days to cover, recomputed: FINRA's denominator vs this page's 20-session regular-hours ADV (settlement June 30, 2026)table · 2026-07-26 · 2×6 20-session regular-hours ADV: shares, dollars, and the extended-hours share (June 11 – July 10, 2026)table · 2026-07-26 · 5×5 Dollar ADV across the whole US tape: percentiles and threshold counts (June 11 – July 10, 2026)scalar · 2026-07-26 · 1×1010,864
What Is a Block Trade? Big Prints & the Data
The same block scan on SPY: July 6, 2026scalar · 2026-07-26 · 1×7669,171 AAPL's ten largest prints of July 6, 2026: the whole tapeseries · 2026-07-26 · 10×6Preview: a 10-point series, ending lower. Where AAPL's 10,000-share-and-up prints executed: July 6, 2026table · 2026-07-26 · 4×5 Block-size prints vs the whole AAPL tape: July 6, 2026, with the session receiptscalar · 2026-07-26 · 1×9390
Market Recap: Week of June 29, 2026
Session by session: SPY close, change, and full-day volumeseries · 2026-07-26 · 4×4Preview: a 4-point series, roughly flat. Contracts traded during the week, by expiry date (single-pass scan; batch-generated)ranking · 2026-07-26 · 6×3Preview: 6 ranked values, largest first. Regular-hours dollar volume, week of June 29 (one reused-symbol listing excluded pending entity verification)ranking · 2026-07-26 · 8×3Preview: 8 ranked values, largest first. FINRA off-exchange short volume by session: coverage and marked-short shareranking · 2026-07-26 · 4×4Preview: 4 ranked values, smallest first. The session receipt: four traded days, one Friday closure, verified from the tapescalar · 2026-07-26 · 1×34 The week's corporate calendar: with the June 30 filing-index gap on displayscalar · 2026-07-26 · 1×82,221 This week against the trailing year of weeks: SPY, open-to-close within each week (rank 1 = best; short weeks excluded)scalar · 2026-07-26 · 1×51.12 Week-over-week: the four index ETFs against the prior Friday's closetable · 2026-07-26 · 4×5 Treasury yields through the week (July 2 print not yet ingested at generation)ranking · 2026-07-26 · 5×4Preview: 5 ranked values, smallest first. Advancers and decliners on the week, with the liquidity filter disclosedscalar · 2026-07-26 · 1×55,049
Market Recap: June 2026
Short-interest settlements on file: May 29, June 15, and June 30ranking · 2026-07-26 · 3×2Preview: 3 ranked values, smallest first. 21 sessions, verified from the tape (Juneteenth closure receipt included)scalar · 2026-07-26 · 1×321 Treasury yields through June: 10-year, 2-year, and the 2s10s spreadranking · 2026-07-26 · 21×4Preview: 16 ranked values, smallest first. SPY, all 21 June sessions: close and close-over-close changeseries · 2026-07-26 · 21×3Preview: a 16-point series, ending lower. SPY sessions up vs down across the month, one cheap receiptscalar · 2026-07-26 · 1×49
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Biggest stock losers this week (names trading $1B+, leveraged/inverse ETFs excluded)

Biggest stock losers this week (names trading $1B+, leveraged/inverse ETFs excluded)

most recentas of ranking 10×4read in context →
Biggest stock losers this week (names trading $1B+, leveraged/inverse ETFs excluded) — 10 rows by 4 columns, computed from US exchange, SIP and OPRA data.
tickerweek_return_pctweek_dollar_bnweek_ending
TWST-19.52.6Oct 7
TXG-14.81.5Oct 7
TEM-14.32.5Oct 7
VICR-14.31Oct 7
STX-11.421.3Oct 7
INSM-10.61.5Oct 7
ALNY-10.11.2Oct 7
WDC-1020.4Oct 7
ACN-8.98.5Oct 7
CHRW-8.72Oct 7
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 dollars
    FROM global_markets.delayed_stocks_minute_aggs
    WHERE window_start >= now() - INTERVAL 12 DAY
      AND ticker NOT IN ('KORU','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 ticker NOT IN (SELECT ticker FROM global_markets.stocks_splits WHERE execution_date BETWEEN today() - 12 AND today())
      AND toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York')) >= 570
      AND toHour(toTimeZone(window_start, 'America/New_York')) * 60 + toMinute(toTimeZone(window_start, 'America/New_York')) < 960
    GROUP BY ticker, d
),
wk AS (
    SELECT ticker, argMin(o, d) AS wo, argMax(c, d) AS wc, sum(dollars) 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,
    (SELECT formatDateTime(max(d), '%b %e') FROM sess) AS week_ending
FROM wk
WHERE wd >= 1000000000 AND wo >= 10 AND n >= 4
ORDER BY (wc / wo - 1) ASC
LIMIT 10
$