STRASMORE/EXPLORE 3,293 QUERIES 22Y EQUITIES · 12Y OPTIONS

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How Options Are Quoted in Volatility
Quoted volatility and delta across strikes, AAPL calls with 20 to 45 days leftranking · 2026-08-17 · 11×3Preview: 11 ranked values, largest first. How far AAPL moves inside a single minute, by New York hourranking · 2026-08-17 · 12×4Preview: 12 ranked values, largest first. Typical daily move: option premium against quoted volatilityranking · 2026-08-17 · 6×4Preview: 6 ranked values, smallest first.
How Long a Losing Streak Is Normal
Chance of at least one losing streak of five, eight or ten in a 200 trade seriesranking · 2026-08-17 · 5×4Preview: 5 ranked values, smallest first. Chance of at least one five loss run at a 70 percent win rate, by series lengthranking · 2026-08-17 · 5×2Preview: 5 ranked values, smallest first. One named window against somewhere in a 200 trade series, at a 70 percent win rateranking · 2026-08-17 · 3×4Preview: 3 ranked values, largest first. How long the worst losing run of a 200 trade series usually is, at a 70 percent win rateranking · 2026-08-17 · 7×3Preview: 7 ranked values, largest first. Drawdown from an eight and a ten loss streak, by risk per traderanking · 2026-08-17 · 4×4Preview: 4 ranked values, smallest first.
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.
What Time Do Options Stop Trading?
Share of late session option volume printed after 4:00 p.m. ET, July 15, 2026ranking · 2026-08-16 · 7×3Preview: 7 ranked values, largest first. Last SPY and SPX option print, minutes past the 4:00 p.m. equity closeseries · 2026-08-16 · 12×4Preview: a 12-point series, roughly flat. Last SPY option print on each 1:00 p.m. ET early close since July 2024ranking · 2026-08-16 · 6×3Preview: 6 ranked values, smallest first. SPY and SPX option volume by the minute, 15:45 to 16:25 ETseries · 2026-08-16 · 41×3Preview: a 16-point series, ending lower.
When Is SQ Day for Nikkei 225 Options?
Opening prints against the previous close: settlement Friday vs an ordinary Fridayranking · 2026-08-16 · 8×3Preview: 8 ranked values, largest first. Share of SPY session volume printed in the opening minute, third Friday vs other Fridaysseries · 2026-08-16 · 11×4Preview: a 11-point series, ending higher. SPY volume by ET clock minute around the open, 13 March vs 20 March 2026series · 2026-08-16 · 46×3Preview: a 16-point series, ending higher.
How Delta Hedging Actually Works
Total daily movement versus net movement, June 2026ranking · 2026-08-16 · 4×4Preview: 4 ranked values, largest first. SPY at-the-money implied volatility against realized volatility, by monthseries · 2026-08-16 · 12×3Preview: a 12-point series, ending higher. Shares a 1% move forces per 100 at-the-money SPY contracts, by time left (June 2026)ranking · 2026-08-16 · 5×2Preview: 5 ranked values, largest first. Average call and put delta by strike distance from spot (SPY, 25 to 35 days to expiry, June 2026)ranking · 2026-08-16 · 11×3Preview: 11 ranked values, largest first.
Where to Get Historical Implied Volatility Data
Three ways to build a 30-day IV for SPY, from one set of rowsseries · 2026-08-15 · 53×6Preview: a 16-point series, ending higher. One name, one month: implied volatility by time to expiry (AAPL, June 2026)table · 2026-08-15 · 6×5 Median near-the-money IV, 20 to 45 days to expiry (June 2026)ranking · 2026-08-15 · 8×3Preview: 8 ranked values, largest first. Underlying names with converged daily IV, by quartertable · 2026-08-15 · 49×2
Trade Markouts Explained: Execution Quality
Effective spread split into realized spread and adverse selection, by half hourseries · 2026-08-15 · 13×5Preview: a 13-point series, ending lower. INTC markout curve, June 10 2026, measured from two reference basesranking · 2026-08-15 · 5×4Preview: 5 ranked values, largest first. The same curve, split by print size: small fills against blocksranking · 2026-08-15 · 5×4Preview: 5 ranked values, largest first.
The Option Greeks Explained: Delta to Rho
One SPY $740 call's price over its 7-week life (expired Jun 18 2026)series · 2026-08-15 · 31×2Preview: a 16-point series, ending higher. Median greeks by time to expiration: every near-the-money US option, July 15, 2026table · 2026-08-15 · 5×6
The 3-5-7 Rule in Options, Examined
One-day move profile, seven household names, July 2025 to June 2026table · 2026-08-15 · 7×6 S&P 500 tracker (SPY): down sessions by calendar year, 2016 to mid-2026table · 2026-08-15 · 11×5 Worst five-session stretch and deepest in-window drawdown, July 2025 to June 2026ranking · 2026-08-15 · 7×4Preview: 7 ranked values, smallest first.
How to Become a Registered Market Maker
Average quoted spread across six household names, midday July 16 2026ranking · 2026-08-15 · 6×3Preview: 6 ranked values, smallest first. Quoted spread through one session, AAPL and KO, July 16 2026series · 2026-08-15 · 26×3Preview: a 16-point series, ending lower. Venues publishing a bid in AAPL over one half hour, July 16 2026ranking · 2026-08-15 · 16×4Preview: 16 ranked values, largest first. Listed AAPL option contracts by expiration, July 16 2026series · 2026-08-15 · 24×4Preview: a 16-point series, ending lower.
Why stocks drop on the ex-dividend date
KO: dividend per share against the realised opening drop, every ex-date 2021 to 2025series · 2026-08-14 · 20×4Preview: a 16-point series, roughly flat. Opening drop per dollar of dividend paid, ex-dates 2021 to 2025ranking · 2026-08-14 · 10×4Preview: 10 ranked values, largest first. Pooled opening drop per dollar paid, by calendar yearranking · 2026-08-14 · 5×3Preview: 5 ranked values, largest first. Quarterly dividend against ordinary overnight moves, 2021 to 2025ranking · 2026-08-14 · 10×4Preview: 10 ranked values, smallest first.
What Is Volatility Skew? The Smile, Measured
SPY implied volatility by strike: OTM puts below spot, OTM calls above, July 15, 2026ranking · 2026-08-14 · 6×2Preview: 6 ranked values, largest first. OTM put IV vs OTM call IV across every active underlying, July 15, 2026scalar · 2026-08-14 · 1×4348 Steepest INVERTED skew: OTM calls pricier than OTM puts, July 15, 2026ranking · 2026-08-14 · 8×4Preview: 8 ranked values, largest first.
What Is the VIX? What It Really Measures
Median daily percent change: VXX against SPY, by calendar yearranking · 2026-08-14 · 7×4Preview: 7 ranked values, smallest first. SPY at-the-money implied volatility by time to expiry, July 15, 2026ranking · 2026-08-14 · 6×3Preview: 6 ranked values, smallest first. SPY at-the-money implied volatility near 30 days to expiry, monthly averages (Jul 2025 to Jul 2026)series · 2026-08-14 · 13×6Preview: a 13-point series, ending higher. Implied daily move against the realized daily move: SPY, month by monthseries · 2026-08-14 · 13×6Preview: a 13-point series, roughly flat.
Risk-free rate in the Sharpe ratio
Annualized risk premium: subtract monthly, or annualize each leg firstranking · 2026-08-14 · 5×4Preview: 5 ranked values, largest first. Three-month Treasury bill yield by calendar yearranking · 2026-08-14 · 22×4Preview: 16 ranked values, largest first. Monthly return, monthly risk-free rate and the excess, 2020 to 2024series · 2026-08-14 · 60×4Preview: a 16-point series, roughly flat. Sharpe ratio on a matched rate series against one fixed rateranking · 2026-08-14 · 5×4Preview: 5 ranked values, largest first.
Does Modifying an Order Lose Queue Priority?
How often the quoted spread sits at a single cent (10 June 2026 session)ranking · 2026-08-14 · 6×3Preview: 6 ranked values, smallest first. Share of one minute windows carrying at least N shares (June 2026)ranking · 2026-08-14 · 9×3Preview: 9 ranked values, smallest first. How fast the tape drains a queue, by time of day (AAPL, June 2026)series · 2026-08-14 · 26×3Preview: a 16-point series, ending lower. Distinct best bid prices per quarter hour (AAPL and KO, 10 June 2026)series · 2026-08-14 · 26×3Preview: a 16-point series, ending lower.
Market Data Timestamps: SIP vs Exchange Clocks
Off exchange AAPL prints by reporting delay, 10 June 2026ranking · 2026-08-14 · 5×3Preview: 5 ranked values, largest first. The same twelve prints, ranked by venue clock and by tape clocktable · 2026-08-14 · 12×7 SIP receive lag by venue, AAPL, 10 June 2026 (microseconds)ranking · 2026-08-14 · 11×4Preview: 11 ranked values, largest first. Prints that change bar when you switch clocks, by bar lengthranking · 2026-08-14 · 4×3Preview: 4 ranked values, largest first.
Why Some Options Cost So Much More
One near-money call each, premium as a share of the stock (Jul 6 2026)ranking · 2026-08-14 · 2×4Preview: 2 ranked values, largest first. At-the-money implied volatility across six names (Jul 6 2026, Jul-17 expiry)ranking · 2026-08-14 · 6×3Preview: 6 ranked values, smallest first.
How Much Does It Cost to Trade Options?
Options trade size distribution on July 2, 2026 (whole-tape contracts per print)scalar · 2026-08-14 · 1×41 SPY options vs. SPY stock on one session: quote count, trade count, and median quoted spreadscalar · 2026-08-14 · 1×10462.93M SPY options quoted-spread distribution: percentiles in basis pointsscalar · 2026-08-14 · 1×635.51 SPY options quote quality: valid, one-sided, and locked/crossed recordsscalar · 2026-08-14 · 1×7463.20M SPY options median spread by expiration date, near-the-money strikes onlyranking · 2026-08-14 · 25×4Preview: 16 ranked values, largest first. Options bid-ask spreads by product: median basis points, July 2, 2026 regular hoursranking · 2026-08-14 · 5×4Preview: 5 ranked values, smallest first.
How Annual Dividend Per Share Is Calculated
Declared amount against split-restated amount, per quarterseries · 2026-08-14 · 56×4Preview: a 16-point series, ending higher. Eight quarterly declarations, ex-date and pay dateseries · 2026-08-14 · 8×4Preview: a 8-point series, ending higher. Trailing four payments against the indicated rate, by quarterseries · 2026-08-14 · 16×4Preview: a 16-point series, ending higher. One set of payments, four annual dividend totalsranking · 2026-08-14 · 4×3Preview: 4 ranked values, smallest first. Ex-date to pay date across US cash dividends, by yearranking · 2026-08-14 · 7×4Preview: 7 ranked values, smallest first.
Bootstrapping Backtest Confidence Bands
Variance ratio by block length: does SPY variance scale like independent draws?ranking · 2026-08-14 · 7×3Preview: 7 ranked values, largest first. One position, one year at a time: SPY annualized Sharpe by calendar yeartable · 2026-08-14 · 14×5 Measured Sharpe dispersion across non-overlapping SPY windows, 2006 to 2025table · 2026-08-14 · 5×6 Lag-one autocorrelation: signed returns against absolute returns, 2016 to 2025ranking · 2026-08-14 · 6×4Preview: 6 ranked values, largest first.
Why Market Makers Lose Money: Adverse Selection
AAPL prints by distance from the midpoint: share of volume and 60 second markoutranking · 2026-08-13 · 4×3Preview: 4 ranked values, smallest first. How much of the spread survives: AAPL markout curve, 1 second to 5 minutesranking · 2026-08-13 · 6×3Preview: 6 ranked values, smallest first. AAPL fills by print size: credit at the fill and value 60 seconds laterranking · 2026-08-13 · 4×4Preview: 4 ranked values, largest first. How far the price travels while a position waits: SPY and NVDA, May 2026ranking · 2026-08-13 · 6×3Preview: 6 ranked values, smallest first.
When Do 0DTE Options Trade? By the Hour
Same-day share of options volume by weekday: all sessions, June 1 to July 10, 2026series · 2026-08-13 · 5×5Preview: a 5-point series, ending higher. Median bid-ask spread on SPY same-day contracts quoted $1-$10, by ET hour: July 10, 2026ranking · 2026-08-13 · 7×4Preview: 7 ranked values, largest first. What the last hour trades: same-day volume by premium paid, 10am hour vs. closing hour, July 10, 2026ranking · 2026-08-13 · 5×4Preview: 5 ranked values, largest first. 0DTE contract volume, share of all options volume, and flow rate by ET hour: Friday, July 10, 2026table · 2026-08-13 · 7×5 Same-day calls vs. puts by ET hour, and the put share of 0DTE volume: July 10, 2026ranking · 2026-08-13 · 7×4Preview: 7 ranked values, largest first. Same-day options volume by underlying: the ten heaviest names, July 10, 2026table · 2026-08-13 · 10×5
What Is Option Vega? Volatility Sensitivity
SPY call vega peaks at the money (~30 days out, 2026-07-13)ranking · 2026-08-13 · 5×2Preview: 5 ranked values, largest first. At-the-money SPY vega grows with time to expiry (2026-07-13)ranking · 2026-08-13 · 4×2Preview: 4 ranked values, smallest first. The SPY $740 call's implied volatility spiked when SPY fell, early June 2026series · 2026-08-13 · 31×2Preview: a 16-point series, ending higher.
What Is Implied Volatility? IV, Explained
ATM implied volatility across every actively traded underlying, July 15, 2026scalar · 2026-08-13 · 1×5753 SPY at-the-money IV by time to expiry: the term structure (2026-07-13)ranking · 2026-08-13 · 4×2Preview: 4 ranked values, smallest first. SPY put IV rises as strikes fall: the volatility skew (2026-07-13)ranking · 2026-08-13 · 5×2Preview: 5 ranked values, smallest first. SPY at-the-money implied volatility, month by month (Jul 2025 – Jul 2026)series · 2026-08-13 · 13×2Preview: a 13-point series, ending lower. At-the-money implied volatility by stock (2026-07-13)ranking · 2026-08-13 · 7×2Preview: 7 ranked values, largest first.
What Is Gamma Exposure (GEX)? Dealer Hedging
July 6, 2026: top roots by same-day-expiry options volumeranking · 2026-08-13 · 8×3Preview: 8 ranked values, largest first. Same-day SPY contracts by strike: the ten busiest, July 6, 2026ranking · 2026-08-13 · 10×4Preview: 10 ranked values, largest first. July 6, 2026: whole-tape options volume by days to expiryranking · 2026-08-13 · 5×3Preview: 5 ranked values, largest first.
What Are Put Options?
One SPY $740 put vs the stock's distance from the strike (expired Jun 18 2026)series · 2026-08-13 · 31×3Preview: a 16-point series, ending lower.
ZM at-the-money IV by days to expiry, most recent week of data

ZM at-the-money IV by days to expiry, most recent week of data

most recentas of ranking 5×4read in context →
ZM at-the-money IV by days to expiry, most recent week of data — 5 rows by 4 columns, computed from US exchange, SIP and OPRA data.
dte_bucketatm_iv_pctcontract_countas_of
0 to 10 days53.8162Oct 22, 2026
11 to 30 days42.9149Oct 22, 2026
31 to 60 days44.783Oct 22, 2026
61 to 120 days4547Oct 22, 2026
over 120 days44.771Oct 22, 2026
the exact SQL behind every number
SELECT
    multiIf(days_to_expiry <= 10,  '0 to 10 days',
            days_to_expiry <= 30,  '11 to 30 days',
            days_to_expiry <= 60,  '31 to 60 days',
            days_to_expiry <= 120, '61 to 120 days',
                                   'over 120 days')   AS dte_bucket,
    round(100 * avg(toFloat64(implied_volatility)), 1) AS atm_iv_pct,
    count()                                            AS contract_count,
    formatDateTime(max(date), '%b %e, %Y')             AS as_of
FROM global_markets.options_greeks
WHERE underlying_symbol = 'ZM'
  AND iv_converged = 1
  AND volume > 0
  AND toFloat64(underlying_close) > 0
  AND abs(toFloat64(strike_price) / toFloat64(underlying_close) - 1) < 0.05
  AND date >= (
        SELECT max(date)
        FROM global_markets.options_greeks
        WHERE underlying_symbol = 'ZM' AND iv_converged = 1
      ) - 7
GROUP BY dte_bucket
ORDER BY min(days_to_expiry)
$