When Short Options Get Assigned Early
Time value left in AAPL contracts by depth in the moneytable ·
2026-08-22 · 5×5
AAPL calls 1 to 5 percent in the money, by days left to expiryranking ·
2026-08-22 · 6×4
Latest cash dividend per share, and what it is worth against the stockseries ·
2026-08-22 · 6×4
Put versus call implied volatility, near the money, 20 to 45 days outranking ·
2026-08-22 · 5×4
What It Costs to Trade a Stock, Measured
The one-cent floor: share price, percent of quotes exactly one cent wide, and what a penny costs in bpstable ·
2026-08-22 · 5×6
NVDA vs SOXS: median quoted spread over the window, with the smallest single-session gapscalar ·
2026-08-22 · 1×50.89
NVDA vs SOXS: median quoted spread by session (bps of the midpoint)series ·
2026-08-22 · 5×4
The cost-to-trade ladder: median quoted spread in bps of the midpoint, regular hours, recent completed sessionstable ·
2026-08-22 · 12×5
What Is a Bid-Ask Spread? Real Costs
Typical quoted spread: six liquid names vs. two thin small caps, with the 100-share costranking ·
2026-08-22 · 8×4
AAPL median quoted spread by 30-minute bucket (ET, extended hours included)series ·
2026-08-22 · 32×2
The same curve at four checkpoints: premarket, the open, midday, the closeseries ·
2026-08-22 · 4×2
AAPL: the last recorded NBBO quote in our data windowscalar ·
2026-08-22 · 1×70.117
Why Market Makers Lose Money: Adverse Selection
AAPL prints by distance from the midpoint: share of volume and 60 second markoutranking ·
2026-08-13 · 4×3
How much of the spread survives: AAPL markout curve, 1 second to 5 minutesranking ·
2026-08-13 · 6×3
AAPL fills by print size: credit at the fill and value 60 seconds laterranking ·
2026-08-13 · 4×4
How far the price travels while a position waits: SPY and NVDA, May 2026ranking ·
2026-08-13 · 6×3
Half-Penny Tick Sizes Under Rule 612
Average quoted spread and time on the penny floor, pinned sessionranking ·
2026-08-13 · 8×3
Share of the session spent at each quoted spread, three namesranking ·
2026-08-13 · 5×4
Share of each 15 minute bucket spent at a one cent quoted spreadseries ·
2026-08-13 · 30×3
What one cent is worth, as a share of the closing priceranking ·
2026-08-13 · 8×3
Why Are Spreads Wider at the Open? Real Data
Window guard: the UTC session filter maps to a 9:30 a.m. ET start on both ends of the rolling windowscalar ·
2026-08-08 · 1×2570
Share of quote updates at the one-cent minimum spread, by half hour (regular hours, ET)series ·
2026-08-08 · 13×4
Median spread each half hour, as a multiple of each name's tightest bucket (regular hours, ET)series ·
2026-08-08 · 13×4
Session by session: how often, and by how much, the open ran wider than middaytable ·
2026-08-08 · 3×6
Median quoted spread by phase of the trading day, in basis points (ET clock)ranking ·
2026-08-08 · 5×4
The opening premium priced: median and 90th-percentile spread at the open (9:30-10:00 ET) vs. midday (12:00-14:00 ET)table ·
2026-08-08 · 3×12
MU: median quoted spread by half hour on July 7, 2026 (ET, regular hours)series ·
2026-08-08 · 13×5
MU into July 7, 2026: prior regular-session close, opening print, overnight gapscalar ·
2026-08-08 · 1×3984.31
Sector Scorecard H1 2026: Winners and Losers
Eight heavily traded chip and memory names: H1 return, quarter split, H1 dollar volumetable ·
2026-07-26 · 8×5
Median quoted spread by sector ETF, one representative session (June 29, 2026), regular hoursranking ·
2026-07-26 · 11×4
The eleven sector ETFs: H1 2026 return, Q1 and Q2 split, and H1 dollar volumetable ·
2026-07-26 · 11×5
XLE, XLF, and XLK by month: the H1 2026 rotation at month grainseries ·
2026-07-26 · 18×3
Five-name baskets per sector: members up vs down, median, best and worst, H1 2026table ·
2026-07-26 · 11×9
Sector ETF dollar volume, Q1 vs Q2 2026: every fund traded less in the recovery quarterranking ·
2026-07-26 · 11×4
Time value left in AAPL contracts by depth in the money
Time value left in AAPL contracts by depth in the money
| itm_depth | call_avg_vega | put_avg_vega | call_contracts | put_contracts |
|---|---|---|---|---|
| under 1% | 0.207 | 0.208 | 692 | 650 |
| 1 to 3% | 0.185 | 0.191 | 1221 | 1146 |
| 3 to 5% | 0.153 | 0.162 | 965 | 868 |
| 5 to 10% | 0.116 | 0.13 | 1603 | 889 |
| over 10% | 0.071 | 0.101 | 2407 | 321 |
the exact SQL behind every number
SELECT
depth_bucket AS itm_depth,
round(avgIf(vega_f, side = 'call'), 3) AS call_avg_vega,
round(avgIf(vega_f, side = 'put'), 3) AS put_avg_vega,
countIf(side = 'call') AS call_contracts,
countIf(side = 'put') AS put_contracts
FROM
(
SELECT
if(delta > 0, 'call', 'put') AS side,
toFloat64(vega) AS vega_f,
if(delta > 0,
toFloat64(underlying_close) / toFloat64(strike_price) - 1,
toFloat64(strike_price) / toFloat64(underlying_close) - 1) AS depth,
multiIf(depth < 0.01, 'under 1%',
depth < 0.03, '1 to 3%',
depth < 0.05, '3 to 5%',
depth < 0.10, '5 to 10%',
'over 10%') AS depth_bucket
FROM global_markets.options_greeks
WHERE underlying_symbol = 'AAPL'
AND date >= today() - 120
AND iv_converged = 1
AND volume > 0
AND days_to_expiry BETWEEN 3 AND 30
AND toFloat64(underlying_close) > 0
AND toFloat64(strike_price) > 0
AND toFloat64(delta) != 0
AND depth > 0
)
GROUP BY depth_bucket
HAVING countIf(side = 'call') > 0 AND countIf(side = 'put') > 0
ORDER BY min(depth)
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