US Stocks 23/5 Trading: The December 2026 Plan
Extended-hours sale conditions defined on the taperanking ·
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SPY daily bar volume vs. the regular-session slice (trailing month)series ·
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Where SPY volume prints today, by ET clock hour (trailing month)ranking ·
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Share of volume printed outside 9:30 to 4:00 ET, seven household names (trailing month)ranking ·
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Tape A, B, and C Explained: CTA and UTP
Share of prints on each tape, by ET clock hour, across the same basketseries ·
2026-10-01 · 16×4
The tape carried by a basket of household symbols, one September 2026 sessionranking ·
2026-10-01 · 12×4
US listing exchanges and the tape each one assignstable ·
2026-10-01 · 7×5
Class-share symbols and the notation each tape usesranking ·
2026-10-01 · 10×4
The 7-5-3-1 Rule in Mutual Funds, Tested
The eight weakest seven-year windows on SPY, dividends counted as cashtable ·
2026-09-17 · 8×6
A flat 500-a-month SIP against the same plan stepped up 10% a year, contributions onlytable ·
2026-09-17 · 10×5
Rolling seven-year returns on SPY, one window per start monthseries ·
2026-09-17 · 193×5
Where the seven-year windows landed: SPY windows by return band, dividends countedranking ·
2026-09-17 · 5×3
Market Data Timestamps: SIP vs Exchange Clocks
Off exchange AAPL prints by reporting delay, 10 June 2026ranking ·
2026-08-14 · 5×3
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 · 11×4
Prints that change bar when you switch clocks, by bar lengthranking ·
2026-08-14 · 4×3
How Fractional Shares Hit the Tape
Small AAPL print sizes: five sessions in January 2026 against five in July 2026table ·
2026-08-12 · 26×3
Average shares per print by month, September 2025 through July 2026series ·
2026-08-12 · 11×5
Odd lots, round lots and sub-one-share prints across six names, July 8 to 10, 2026ranking ·
2026-08-12 · 6×4
AAPL average print size across the February 2026 boundaryseries ·
2026-08-12 · 19×4
SIP Feeds vs Direct Exchange Feeds
Which venues sat on the bid side of the quote record, KO on June 16, 2026ranking ·
2026-08-09 · 17×3
Quote update traffic across five household tickers, 10:00 to 11:00 a.m. ET on June 16, 2026table ·
2026-08-09 · 5×5
US equity exchanges that feed the consolidated tapetable ·
2026-08-09 · 18×4
Venue clock to consolidated tape clock, KO quotes on June 16, 2026series ·
2026-08-09 · 15×4
Why Stock Quotes Are Delayed 15 Minutes
How often the last price changes, minute by minute (June 2026)ranking ·
2026-08-06 · 6×3
The 15 minute gap across six household tickers (June 2026)ranking ·
2026-08-06 · 6×3
How far SPY travels in 15 minutes, by hour of the session (June 2026)series ·
2026-08-06 · 7×4
Live price against a 15 minute delayed view, one SPY sessionseries ·
2026-08-06 · 37×5
Extended-hours sale conditions defined on the tape
Extended-hours sale conditions defined on the tape
| id | condition_name | meaning |
|---|---|---|
| 12 | Form T/Extended Hours | |
| 13 | Extended Hours (Sold Out Of Sequence) | |
| 248 | Extended Hours Trade | Transaction represents a trade that was executed outside of regular market hours. Trades do not update Open, High, Low, and Closing Prices. |
the exact SQL behind every number
SELECT
id,
any(name) AS condition_name,
any(description) AS meaning
FROM global_markets.stocks_condition_codes
WHERE name ILIKE '%form t%'
OR name ILIKE '%extended%hours%'
GROUP BY id
ORDER BY id
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