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

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What Is Max Pain in Options? The Real Math
Total payout to option holders at each candidate settlement price, SPY July 17 2026table · 2026-07-31 · 36×2
US Stock Market Hours Around the World
The US trading day converted into ten local clocks: static illustrative reference, July 2026table · 2026-07-31 · 10×6 Local time of the 9:30 a.m. New York open, January against July: static illustrative reference for 2026ranking · 2026-07-31 · 6×4Preview: 6 ranked values, smallest first.
The Wheel Strategy: How the Loop Works
SPY's closing price across the contract window, May 1 to Jun 15 2026series · 2026-07-31 · 31×2Preview: a 16-point series, ending higher. The wheel pair at entry, the SPY peak, the dip, and the final sessiontable · 2026-07-31 · 4×5 The SPY $740 put split into intrinsic and time value, daily to Jun 15 2026series · 2026-07-31 · 31×3Preview: a 16-point series, ending higher. Both legs of the wheel: SPY $740 put vs $740 call, same Jun 18 2026 expiryseries · 2026-07-31 · 31×3Preview: a 16-point series, ending higher.
The 8-4-3 Rule for Mutual Funds, Explained
An illustrative $10,000 SPY stake from year end 2005, marked at each year endranking · 2026-07-31 · 21×3Preview: 16 ranked values, smallest first. Annualized SPY price growth over rolling eight-year windows, by starting year endranking · 2026-07-31 · 14×3Preview: 14 ranked values, smallest first. SPY calendar-year price change vs the 12% assumption, 2006-2025ranking · 2026-07-31 · 20×3Preview: 16 ranked values, smallest first.
Multi-Agent AI Trading Systems: What Is Real
The window decides the answer: SPY calendar-year price return and intra-year high-to-low range, 2016-2025ranking · 2026-07-31 · 10×4Preview: 10 ranked values, smallest first. Where the money trades: US dollar volume by liquidity rank tier, regular hours, June 30 2026ranking · 2026-07-31 · 5×4Preview: 5 ranked values, smallest first. How big a typical session is: SPY close-to-close moves by size band, calendar 2025ranking · 2026-07-31 · 5×3Preview: 5 ranked values, largest first. The cost floor: median quoted spread in basis points of the midpoint, regular hours, June 22-26 2026ranking · 2026-07-31 · 6×4Preview: 6 ranked values, smallest first.
Monthly Dividend Stocks Explained
Trailing yield by payment schedule: liquid US-listed payers, twelve months of cash through June 2026ranking · 2026-07-31 · 4×4Preview: 4 ranked values, largest first. Liquid monthly payers grouped by the change in their monthly rate over three years, with each group's current yieldtable · 2026-07-31 · 4×5 Share of a full year's dividend cash arriving in each month: one monthly payer and one quarterly payer, 2025 pay datesseries · 2026-07-31 · 12×4Preview: a 12-point series, ending higher. Recurring cash dividends by declared schedule: every payer on file, July 2025 through June 2026table · 2026-07-31 · 5×5
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
Kelly Criterion Position Sizing, Measured
Kelly inputs from daily closes, 2016 through 2025: win rate, average gain, average loss, and the fraction the formula returnstable · 2026-07-31 · 6×5 The same Kelly calculation on the S&P 500 tracker, year by year, 2016 through 2025table · 2026-07-31 · 10×5 One decade of S&P 500 daily returns compounded at eight fixed bet sizes: ending wealth and worst drawdownranking · 2026-07-31 · 8×3Preview: 8 ranked values, smallest first.
How to Read an Option Chain, Column by Column
Where the trading happened: SPY contract volume by strike, August 21 2026 expiry, July 15 2026ranking · 2026-07-31 · 8×3Preview: 8 ranked values, smallest first. Median quoted bid and ask by strike: SPY calls expiring August 21 2026, regular session of July 15 2026table · 2026-07-31 · 7×5 Implied volatility by strike: SPY options expiring August 21 2026, as of July 15 2026ranking · 2026-07-31 · 11×3Preview: 11 ranked values, largest first. SPY option volume by time to expiration, July 15 2026ranking · 2026-07-31 · 5×4Preview: 5 ranked values, largest first. One expiration of the SPY chain: closing prices and delta by strike, August 21 2026 expiry, as of July 15 2026table · 2026-07-31 · 8×6
Covered Call vs Cash-Secured Put
Both positions at four moments: entry, three weeks in, the SPY high, and the June diptable · 2026-07-31 · 4×5 What each strike paid on May 1, 2026: SPY June 18 calls and puts side by sideranking · 2026-07-31 · 8×3Preview: 8 ranked values, largest first. Covered call vs cash-secured put: profit and loss per share, same strike, same expiryseries · 2026-07-31 · 29×3Preview: a 16-point series, ending higher.
American vs European Options Explained
Index roots vs ETF roots: contracts traded on July 6, 2026, with exercise styleranking · 2026-07-31 · 8×3Preview: 8 ranked values, largest first. July 6, 2026: contracts traded per 15 minutes, S&P 500 index options vs SPY optionsseries · 2026-07-31 · 27×3Preview: a 16-point series, ending lower.
0DTE Options Strategies: How They Trade
Same-day options volume by premium paid: whole US tape, July 10, 2026ranking · 2026-07-31 · 5×4Preview: 5 ranked values, largest first. Median gamma, theta and delta by time to expiry: near-the-money US options, July 15, 2026table · 2026-07-31 · 4×5 How July 10's same-day SPY contracts finished: expired at zero vs. settled with valueranking · 2026-07-31 · 2×4Preview: 2 ranked values, smallest first. SPY intraday travel: close, high and low against the open, June 1 to July 10, 2026series · 2026-07-31 · 28×5Preview: a 16-point series, roughly flat.
Trading US 0DTE Options From Japan
Same-day options volume by Japan Standard Time hour: all US-listed options, Friday July 10, 2026ranking · 2026-07-31 · 7×4Preview: 7 ranked values, largest first. Median bid-ask spread on SPY same-day contracts quoted $1-$10, by Japan Standard Time hour: July 10, 2026ranking · 2026-07-31 · 7×4Preview: 7 ranked values, smallest first. Japanese local time of each US session boundary, January against July: static illustrative reference for 2026series · 2026-07-31 · 4×4Preview: a 4-point series, roughly flat. The US trading day converted into Japan Standard Time: static illustrative reference, July 2026series · 2026-07-31 · 6×5Preview: a 6-point series, ending higher.
SPCX: SpaceX's First Month on the Public Market
The whole SPCX tape in one row: prints, print sizes, and the quote censusscalar · 2026-07-27 · 1×1241.01 Symbol-reuse receipt: thirteen months of SPCX minute bars, May 2026 is absent entirelyseries · 2026-07-27 · 12×5Preview: a 12-point series, ending higher. Where the contracts landed: call and put volume by strike buckettable · 2026-07-27 · 19×5 The seasoning curve: regular-hours spread by session, per-update and time-weightedseries · 2026-07-27 · 12×8Preview: a 12-point series, ending lower. June 30 anchors: a mega-cap, SPCX, and a thin small-cap, same session, same mathtable · 2026-07-27 · 3×6 FINRA off-exchange short volume by session: marked-short share and reported volumeseries · 2026-07-27 · 12×4Preview: a 12-point series, ending higher. The first short-interest print, with the old-entity cliff as its own receiptscalar · 2026-07-27 · 1×923.34 The sessions: regular-hours close, close-over-close change, full-day volumeseries · 2026-07-27 · 12×5Preview: a 12-point series, ending lower. Every SpaceX 8-K filed in June 2026, with the opening lines of eachtable · 2026-07-27 · 6×3 Options session by session: contracts, the call/put split, and the put/call ratioseries · 2026-07-27 · 10×7Preview: a 10-point series, ending lower. What it cost to trade the busiest contract: NBBO spread over its three sessionsseries · 2026-07-27 · 3×6Preview: a 3-point series, ending lower. SpaceX's options market in one row: totals, expiry structure, flagship contractsscalar · 2026-07-27 · 1×2210 The information flow in one row: tagging switches on, feed composition, co-tagsscalar · 2026-07-27 · 1×170 The month on one row: issue to close, with the extremes and their receiptsscalar · 2026-07-27 · 1×22135 Listing day on one row: first quote, opening cross, closing cross, day totalsscalar · 2026-07-27 · 1×142.24 The IPO record: the entity behind SPCX since June 12, 2026scalar · 2026-07-27 · 1×8135 SpaceX's 2026 SEC trail by form type, in filing order (CIK 0001181412, deduped by accession)ranking · 2026-07-27 · 12×4Preview: 12 ranked values, largest first. The whole US tape ranked by June 12–30 regular-hours dollar volumeranking · 2026-07-27 · 12×4Preview: 12 ranked values, largest first. Day one by half hour: quote updates and the median spread finding its levelranking · 2026-07-27 · 13×4Preview: 13 ranked values, smallest first.
Why Do Stocks Gap Up or Down Overnight?
Overnight gaps by ticker, H1 2026: average absolute gap and the single biggest gapseries · 2026-07-26 · 6×5Preview: a 6-point series, ending higher. MSFT straddle prices at the close before the gap: Jan 28, 2026, Jan 30 expirytable · 2026-07-26 · 4×5 MSFT: how the January 29, 2026 gap formed, 30-minute premarket bucketsseries · 2026-07-26 · 11×8Preview: a 11-point series, ending higher. SPY, H1 2026: average absolute overnight gap vs average absolute intraday movescalar · 2026-07-26 · 1×4123 What crossed the wire during SPY's biggest overnight gap of H1 2026table · 2026-07-26 · 2×3 SPY overnight gaps by weekday: every session, January 2024 through June 2026series · 2026-07-26 · 5×4Preview: a 5-point series, ending lower. SPY's six biggest overnight gaps of H1 2026: and the same day's open-to-close moveseries · 2026-07-26 · 6×3Preview: a 6-point series, ending higher.
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 the Closing Auction? (Closing Cross)
Quarter-end (June 30) vs. mid-month (June 16, 2026): the same three closing auctionstable · 2026-07-26 · 3×8 The tape's own labels for the close, straight from the code dictionaryranking · 2026-07-26 · 4×3Preview: 4 ranked values, smallest first. The closing auction vs. everything else: SPY, AAPL, NVDA on July 2, 2026table · 2026-07-26 · 3×10 The receipt: AAPL's auction print vs. its last continuous trade, July 2, 2026scalar · 2026-07-26 · 1×12390
What Is Days to Cover? Short Interest Ratio
Every settlement since March 2026: and how long it took to arriveseries · 2026-07-26 · 8×6Preview: a 8-point series, ending higher. GME days to cover, settlement by settlement: June 2020 through the January 29, 2021 squeeze printseries · 2026-07-26 · 15×5Preview: a 15-point series, ending higher. Days to cover, four familiar names: settlement of June 30, 2026ranking · 2026-07-26 · 4×4Preview: 4 ranked values, largest first. Days to cover across liquid names (5M+ shares/day ADV): settlement of June 30, 2026ranking · 2026-07-26 · 5×2Preview: 5 ranked values, largest first. Two crowding measures, six names: short interest as % of shares outstanding vs. days to covertable · 2026-07-26 · 6×5 Highest days to cover among liquid names (5M+ shares/day ADV): settlement of June 30, 2026ranking · 2026-07-26 · 12×4Preview: 12 ranked values, largest first. Days to cover by trading-volume tier: every name in the June 30, 2026 settlementtable · 2026-07-26 · 4×7
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
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)
$