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

3,256 answered market questions

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How Many Shares in an Options Contract?
Recent reverse splits and the deliverable left behindranking · 2026-10-06 · 10×4Preview: 10 ranked values, smallest first. Average near-the-money premium per share, September 2026ranking · 2026-10-06 · 5×3Preview: 5 ranked values, largest first. Fractional-ratio splits and the share count they leave per contractranking · 2026-10-06 · 12×4Preview: 12 ranked values, largest first. One quote, two multipliers: AAPL near-the-money premium converted to cashseries · 2026-10-06 · 21×4Preview: a 16-point series, ending lower.
Why VIX Options Don't Track the VIX
SPY near-the-money implied volatility by distance to expirationranking · 2026-10-04 · 6×3Preview: 6 ranked values, smallest first. How far the long tenor travels on days the front end jumpsranking · 2026-10-04 · 5×4Preview: 5 ranked values, smallest first. Near-dated versus long-dated SPY implied volatility, session by sessionseries · 2026-10-04 · 81×3Preview: a 16-point series, ending lower. The near-to-far implied volatility gap across liquid namesranking · 2026-10-04 · 6×4Preview: 6 ranked values, largest first.
Why Index Options Are Taxed 60/40: Section 1256
Average daily options volume: Section 1256 names against equity optionsranking · 2026-10-04 · 4×3Preview: 4 ranked values, largest first. Share of contract volume by days to expiry, SPX and SPYranking · 2026-10-04 · 5×3Preview: 5 ranked values, largest first.
When Do NDX Options Expire?
Listed QQQ option expirations by weekday, trailing 90 days of traded contractsranking · 2026-10-04 · 5×3Preview: 5 ranked values, largest first. Share of QQQ regular-session volume in the first 15 minutes, monthly expiration Fridaysseries · 2026-10-04 · 12×4Preview: a 12-point series, ending lower. NDX monthly expirations ahead: third Friday, Thursday last trade, exchange statusseries · 2026-10-04 · 9×6Preview: a 9-point series, ending higher. QQQ volume by ET hour: quarterly expiration Friday (2026-09-18) vs the prior Friday (2026-09-11)series · 2026-10-04 · 7×3Preview: a 7-point series, ending higher.
What Time Do Options Start Trading?
SPY option volume, minute by minute into the 9:30 openseries · 2026-10-04 · 46×3Preview: a 16-point series, ending higher. US option contract volume by Eastern-time half hourseries · 2026-10-04 · 21×3Preview: a 16-point series, ending higher. Scheduled open and close on every upcoming half dayseries · 2026-10-04 · 2×6Preview: a 2-point series, roughly flat.
What Is VIX1D? The 1-Day Volatility Index
Implied daily move (IV / 16) against realized daily movement, SPY by monthseries · 2026-10-04 · 14×5Preview: a 14-point series, roughly flat. SPY option volume by expiration through one session, June 17 2026series · 2026-10-04 · 14×4Preview: a 14-point series, ending lower. SPY near-the-money implied volatility by days to expiryranking · 2026-10-04 · 8×2Preview: 8 ranked values, largest first. SPY absolute daily move, median and 90th percentile by yearranking · 2026-10-04 · 8×4Preview: 8 ranked values, smallest first.
SPX vs SPY Options: Which One to Trade
SPY option volume by days to expiry, trailing six weeksranking · 2026-10-04 · 5×3Preview: 5 ranked values, largest first. Time value left in deep in-the-money SPY calls, against the dividend at stakeranking · 2026-10-04 · 15×4Preview: 15 ranked values, smallest first. How close SPY closes to the nearest whole-dollar strike on monthly expirationsseries · 2026-10-04 · 12×4Preview: a 12-point series, roughly flat. What one contract controls: SPX, SPY and XSPranking · 2026-10-04 · 3×4Preview: 3 ranked values, largest first.
SPX Options vs ES Futures Options: Which to Use
Daily S&P 500 moves by month, measured on SPYseries · 2026-10-04 · 13×6Preview: a 13-point series, ending lower. Share of SPY volume by hour of the day (ET), trailing monthranking · 2026-10-04 · 16×2Preview: 16 ranked values, largest first.
NDX vs QQQ Options: Which One to Trade?
QQQ on the latest session: at-the-money IV, contracts traded and total volumescalar · 2026-10-04 · 1×719.9 QQQ ex-dividend dates and cash per share, most recent firstseries · 2026-10-04 · 9×4Preview: a 9-point series, ending lower. QQQ expiration dates that traded, by weekday, over the last ~45 daysranking · 2026-10-04 · 5×2Preview: 5 ranked values, smallest first. Contract size: one QQQ contract from the latest daily closescalar · 2026-10-04 · 1×4749.58
Mini Index Options Explained: XSP, XND, MRUT
SPY ex-dividend dates and cash amounts, trailing three yearsseries · 2026-10-04 · 13×3Preview: a 13-point series, ending higher. Open to close moves on monthly expiration Fridays, SPY since 2015ranking · 2026-10-04 · 5×3Preview: 5 ranked values, largest first. Dollar exposure in one 100-multiplier contract, by monthseries · 2026-10-04 · 37×5Preview: a 16-point series, ending higher.
How Many Puts to Hedge a Portfolio: Formula
What rounding the contract count leaves uncovered, by account sizetable · 2026-10-04 · 7×6 SPY put premium as a percent of protected notional, by strike distanceranking · 2026-10-04 · 4×3Preview: 4 ranked values, largest first. The same $189,000 hedge priced three ways (levels scaled from the ETF close)table · 2026-10-04 · 3×6 Beta for six household names, measured over two consecutive 12-month windowsranking · 2026-10-04 · 6×4Preview: 6 ranked values, largest first.
Equity vs Index Put/Call Ratio: What's High?
The total is a call-volume-weighted blend of the two bucketsranking · 2026-10-04 · 11×4Preview: 11 ranked values, largest first. The same equity ratio, computed with and without ETF optionsseries · 2026-10-04 · 22×4Preview: a 16-point series, roughly flat. Single-stock bucket vs ETF bucket, session by sessionseries · 2026-10-04 · 33×6Preview: a 16-point series, roughly flat. Put/call volume ratio by underlying, trailing 60 sessionstable · 2026-10-04 · 12×5
Cash Settled vs Physical Delivery Options
SPY: widest open print to close print gaps on monthly expiration Fridays since 2021ranking · 2026-10-04 · 12×4Preview: 12 ranked values, smallest first. How close SPY closes to a whole dollar strike, expiration Fridays vs every other sessionranking · 2026-10-04 · 4×4Preview: 4 ranked values, smallest first. Dividend owed per assigned contract, recent ex dividend datesseries · 2026-10-04 · 6×3Preview: a 6-point series, ending lower. What 100 shares per contract is worth, six household namesseries · 2026-10-04 · 6×3Preview: a 6-point series, ending lower.
ASX Options Expiry and Settlement Explained
Average distance from the opening print, first 30 minutes (SPY)series · 2026-10-04 · 31×2Preview: a 16-point series, ending higher. How far eight large caps travel from their opening print by 10:00ranking · 2026-10-04 · 8×2Preview: 8 ranked values, largest first. SPY on 15 May 2026: distance from the opening print, 09:30 to 10:30 New York timeseries · 2026-10-04 · 61×2Preview: a 16-point series, roughly flat.
When Do SPX Options Stop Trading?
The final hours of the AM settled SPX monthly, Thursday May 14, 2026 (ET)series · 2026-09-26 · 8×3Preview: a 8-point series, roughly flat. Prior close to expiration-Friday open, monthly expirations (SPY, percent)series · 2026-09-26 · 11×5Preview: a 11-point series, roughly flat. The final hours of the expiring SPXW weekly, Friday May 15, 2026 (ET)series · 2026-09-26 · 7×4Preview: a 7-point series, roughly flat. Expiration Friday, 8:00 a.m. to 10:00 a.m. ET: which root is tradingseries · 2026-09-26 · 2×5Preview: a 2-point series, roughly flat. Contracts traded per session into the May 15, 2026 expiration, by rootseries · 2026-09-26 · 5×4Preview: a 5-point series, ending higher.
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.
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.
Nikkei 225 Options and SQ Settlement
SPY implied volatility vs the volatility realized in the following monthseries · 2026-08-03 · 23×5Preview: a 16-point series, roughly flat. Implied vs realized volatility, six heavily traded US underlyings, twelve months to June 30, 2026ranking · 2026-08-03 · 6×4Preview: 6 ranked values, largest first. Median theta and implied volatility by days to expiry: near-the-money SPY contracts, H1 2026table · 2026-08-03 · 60×4 SPY on monthly settlement Fridays: the opening gap, and where the session went afterwardsseries · 2026-08-03 · 16×4Preview: a 16-point series, ending lower. Opening prints on settlement morning, May 15, 2026: twelve large US constituentsranking · 2026-08-03 · 12×3Preview: 12 ranked values, largest first.
DAX Daily Options: How Eurex 0DTE Works
Same-day expiries as a share of SPY option volume: every session, July 2026series · 2026-08-03 · 21×4Preview: a 16-point series, roughly flat. Expirations on the SPY option board: every listed expiry over 30 days, 16 July 2026series · 2026-08-03 · 13×4Preview: a 13-point series, ending lower. Median implied volatility by days to expiry: near-the-money SPY contracts, 16 July 2026ranking · 2026-08-03 · 5×4Preview: 5 ranked values, smallest first. Distinct expirations listed for the rest of July 2026: eight US namesranking · 2026-08-03 · 8×3Preview: 8 ranked values, largest first.
AM vs PM Settled Index Options Explained
The same hypothetical on every session: expiration mornings against the rest of the tapetable · 2026-08-03 · 3×5 The prices behind the arithmetic: Thursday's close, the strike, Friday's open and closeseries · 2026-08-03 · 29×6Preview: a 16-point series, ending higher. One at-the-money call settled two ways: the ten widest splits since January 2024table · 2026-08-03 · 10×5 Every monthly expiration since January 2024: the overnight gap, then the session that followedseries · 2026-08-03 · 29×4Preview: a 16-point series, ending lower.
Recent reverse splits and the deliverable left behind

Recent reverse splits and the deliverable left behind

most recentas of ranking 10×4read in context →
Recent reverse splits and the deliverable left behind — 10 rows by 4 columns, computed from US exchange, SIP and OPRA data.
symboleffective_labelratioshares_per_contract
SHFSSep 30, 20261-for-128.33
GSPFDSep 30, 20261-for-520
DHYSep 30, 20261-for-1010
TRUGSep 29, 20261-for-1010
VRMESep 29, 20261-for-1010
AGRZSep 29, 20261-for-205
CDTSep 29, 20261-for-254
ONMDSep 29, 20261-for-1010
GMEXSep 28, 20261-for-911.11
DLXYSep 28, 20261-for-520
the exact SQL behind every number
SELECT
    ticker                                            AS symbol,
    formatDateTime(execution_date, '%b %e, %Y')       AS effective_label,
    concat(
        toString(round(toFloat64(any(split_to)), 2)),
        '-for-',
        toString(round(toFloat64(any(split_from)), 2))
    )                                                 AS ratio,
    round(100 * toFloat64(any(split_to)) / toFloat64(any(split_from)), 2) AS shares_per_contract
FROM global_markets.stocks_splits
WHERE execution_date >= '2026-01-01'
  AND execution_date <= '2026-09-30'
  AND ticker NOT IN ('SPCX')
  AND toFloat64(split_to) < toFloat64(split_from)
GROUP BY ticker, execution_date
ORDER BY execution_date DESC
LIMIT 10
$