STRASMORE/EXPLORE 2,170 QUERIES 22Y EQUITIES · 12Y OPTIONS

2,170 answered market questions

every one with its exact SQL, its result and the date it was computed · free, no signup

Why Ticker Symbols Break Your Dataset
When each symbol last printed a daily barranking · 2026-08-22 · 6×3Preview: 6 ranked values, largest first. New listings landing on a symbol that already had historyranking · 2026-08-22 · 11×3Preview: 11 ranked values, smallest first. Which share-class spellings actually carry historyranking · 2026-08-22 · 4×4Preview: 4 ranked values, smallest first. Trading sessions per year under FB and METAranking · 2026-08-22 · 15×3Preview: 15 ranked values, smallest first.
ETF Relative Strength and Alpha Attribution
Annualized volatility and worst single session, trailing two yearsranking · 2026-08-22 · 10×3Preview: 10 ranked values, largest first. 20-session return versus SPY across a nine-fund ETF universeranking · 2026-08-22 · 9×3Preview: 9 ranked values, largest first. Strongest and weakest sleeve versus SPY, by calendar monthseries · 2026-08-22 · 13×4Preview: a 13-point series, roughly flat. Share of each fund's daily variation explained by SPY, trailing two yearsranking · 2026-08-22 · 9×2Preview: 9 ranked values, largest first.
h5i-db: Point-in-Time Data for Backtests
Stock splits taking effect each quarter, forward and reverseseries · 2026-08-22 · 16×3Preview: a 16-point series, ending higher. When market headlines publish, by New York clock hourranking · 2026-08-22 · 24×2Preview: 16 ranked values, smallest first. How long 13F holdings filings take to reach the publicseries · 2026-08-22 · 16×3Preview: a 16-point series, ending lower. Days between a dividend declaration and its ex-date, by monthseries · 2026-08-22 · 24×3Preview: a 16-point series, roughly flat.
When Equal Weight Beats Optimization
A rolling one year mean return, the number an optimizer would be fedseries · 2026-08-16 · 96×3Preview: a 16-point series, ending higher. Ten years of yearly estimates: the mean moves far more than the volatilityranking · 2026-08-16 · 6×3Preview: 6 ranked values, largest first. How far the mean and volatility estimates scatter by sample lengthranking · 2026-08-16 · 5×4Preview: 5 ranked values, largest first.
Heston Model and the Volatility Smile
How far at-the-money implied volatility itself travelled (Jan to Jun 2026)ranking · 2026-08-12 · 6×4Preview: 6 ranked values, largest first. Near-the-money implied volatility by time to expiry (Jan to Jun 2026)ranking · 2026-08-12 · 6×3Preview: 6 ranked values, smallest first. SPY implied volatility by strike distance, 20 to 45 days to expiry (Jan to Jun 2026)ranking · 2026-08-12 · 13×4Preview: 13 ranked values, largest first. Put-side versus call-side implied volatility, 20 to 45 days (Jan to Jun 2026)ranking · 2026-08-12 · 6×4Preview: 6 ranked values, smallest first. Daily at-the-money implied volatility, SPY and NVDA (Apr to Jun 2026)series · 2026-08-12 · 62×3Preview: a 16-point series, ending higher.
How Continuous Futures Contracts Are Built
Options volume by time left to expiry, AAPL, April to June 2026ranking · 2026-08-10 · 5×2Preview: 5 ranked values, largest first. KO quarterly dividend in cents and as a percent of the share price, 2016 to 2026series · 2026-08-10 · 42×4Preview: a 16-point series, roughly flat.
Can an AI Trading Track Record Be Verified?
Median quoted spread and the cost of a $25,000 round trip: midday hour, July 15, 2026ranking · 2026-08-03 · 6×3Preview: 6 ranked values, largest first. SPY holding-period outcomes since 2015: 5th percentile, median, 95th percentiletable · 2026-08-03 · 4×7 How far SPY travels from its opening print, by ET half hour, first half of 2026series · 2026-08-03 · 13×3Preview: a 13-point series, ending higher. Six US index funds, identical window: price return, January 2 to June 30, 2026ranking · 2026-08-03 · 6×3Preview: 6 ranked values, largest first.
Does Sell in May and Go Away Work?
Growth of one dollar: holding all year vs holding only November through Aprilranking · 2026-08-03 · 21×3Preview: 16 ranked values, smallest first. The seasonal gap by era: average half-year returns and the spread between themtable · 2026-08-03 · 3×6 S&P 500 tracker: May to October vs November to April, season by seasonranking · 2026-08-03 · 21×3Preview: 16 ranked values, smallest first. Average S&P 500 tracker return by calendar month, May 2005 through April 2026table · 2026-08-03 · 12×5 SPY distributions by ex-dividend month: inside the May to October window vs outside itranking · 2026-08-03 · 19×3Preview: 16 ranked values, smallest first.
Can an LLM Find Alpha Factors?
Training rank against holdout result: 240 trials cut into fifthsranking · 2026-08-02 · 5×3Preview: 5 ranked values, largest first. 240 coin flip factors scored on real prices: annualized Sharpe, Jan 2016 to Jun 2021ranking · 2026-08-02 · 8×3Preview: 8 ranked values, largest first. The twelve best trials in training, re-scored on five untouched years (Jul 2021 to Jun 2026)ranking · 2026-08-02 · 12×3Preview: 12 ranked values, largest first. The best score climbs with the size of the search: best and average Sharpe by trials runranking · 2026-08-02 · 9×3Preview: 9 ranked values, smallest first.
Learn Quant Trading From an Open Source Book
Twelve months of daily moves: annualized volatility and worst session, eight namesranking · 2026-08-02 · 8×3Preview: 8 ranked values, largest first. US tickers trading in a June week, and how many still traded in June 2026ranking · 2026-08-02 · 11×4Preview: 11 ranked values, smallest first. Average quoted spread by ET half hour: AAPL and KO, Friday July 17, 2026series · 2026-08-02 · 16×3Preview: a 16-point series, ending lower. Average distance from one session's close to the next session's open, monthlyseries · 2026-08-02 · 24×4Preview: a 16-point series, ending lower.
Market Data Skills for AI Agents
Trading sessions per month: SPY bars, July 2025 through June 2026series · 2026-08-01 · 12×4Preview: a 12-point series, roughly flat. Where the volume sits: share of June 2026 volume by half hour, New York timeseries · 2026-08-01 · 32×3Preview: a 16-point series, roughly flat. One company, two tickers: share class volume split, June 2026ranking · 2026-08-01 · 6×4Preview: 6 ranked values, largest first. Minute bars per session: nine widely held names, June 2026series · 2026-08-01 · 9×4Preview: a 9-point series, ending lower.
AI Daily Market Research Reports: What Breaks
SPY: average overnight repricing vs average regular-session move, monthlyseries · 2026-08-01 · 24×3Preview: a 16-point series, roughly flat. What the next session did: 36 large caps bucketed by the prior day's move, Aug 2024 to Jul 2026table · 2026-08-01 · 5×5 When headlines actually land: article counts by ET clock hour, July 2026ranking · 2026-08-01 · 24×4Preview: 16 ranked values, smallest first. Headline coverage by size of daily move: 36 large caps, May to July 2026ranking · 2026-08-01 · 5×4Preview: 5 ranked values, smallest first. Daily turnover in the top ten movers: fixed 36 name large-cap list, July 2026series · 2026-08-01 · 21×3Preview: a 16-point series, ending lower.
Look-Ahead Bias: The Backtest Killer
Survivorship in the universe: names trading each year, share still listed in July 2026, and median returntable · 2026-07-31 · 10×6 Same-bar decision vs a one-session lag: SPY, average session gain, 2016-2025table · 2026-07-31 · 10×5 The hindsight ceiling: SPY buy and hold, the same year without its biggest up days, and perfect one-day foresighttable · 2026-07-31 · 10×5
When each symbol last printed a daily bar

When each symbol last printed a daily bar

most recentas of ranking 6×3read in context →
When each symbol last printed a daily bar — 6 rows by 3 columns, computed from US exchange, SIP and OPRA data.
tickerlast_print_labeldays_since_last_print
TWTROct 27, 20221395
ABMDDec 21, 20221340
ATVIOct 12, 20231045
VMWNov 21, 20231005
SGENDec 13, 2023983
AAPLAug 21, 20261
the exact SQL behind every number
SELECT
    ticker,
    formatDateTime(max(date), '%b %e, %Y') AS last_print_label,
    dateDiff('day', max(date), today())    AS days_since_last_print
FROM global_markets.stocks_daily_aggs
WHERE ticker IN ('ABMD', 'TWTR', 'ATVI', 'VMW', 'SGEN', 'AAPL')
  AND date >= '2014-01-01'
GROUP BY ticker
ORDER BY days_since_last_print DESC
$