Why Odd Lots Don't Set the NBBO
Round lot size for a basket of familiar tickers, from the latest closeranking ·
2026-08-22 · 9×3
Listed names averaging above $250 a share, by monthseries ·
2026-08-22 · 24×2
How many listed names sit in each round lot tierranking ·
2026-08-22 · 3×3
AAPL trade sizes on the 27 April 2026 sessionranking ·
2026-08-22 · 4×3
What Is the NBBO? National Best Bid and Offer
NBBO updates per session: four heavily traded names vs. two thin small capsseries ·
2026-08-22 · 6×5
Exchange stamp to SIP stamp: the consolidation step, in microsecondsranking ·
2026-08-22 · 4×3
The smallest size the NBBO will show: six names across the price tiersranking ·
2026-08-22 · 6×4
KO: ten consecutive NBBO updates from 1:30 p.m. ET on a recent sessionseries ·
2026-08-22 · 10×7
GME, 2024-05-14: NBBO updates and trades per minute across a five-minute LULD pauseseries ·
2026-08-22 · 15×3
AAPL: average NBBO updates per minute by half-hour bucket (ET, 4 a.m. to 8 p.m.)series ·
2026-08-22 · 32×3
What Is a Trade-Through? ISO Orders Explained
Where 30 minutes of AAPL prints landed, by venueranking ·
2026-08-20 · 12×3
Distinct venues printing AAPL inside the same second, minute by minuteseries ·
2026-08-20 · 30×3
Share of prints by trade size: AAPL against KOranking ·
2026-08-20 · 5×4
Sale conditions that mark protection-rule exceptionstable ·
2026-08-20 · 11×3
The Vendor Display Rule: SEC Rule 603(c)
Consolidated spread vs single venue spread, AAPL, June 17 2026series ·
2026-08-10 · 90×4
Where AAPL trades printed, June 17 2026, 10:00 to 11:30 ETranking ·
2026-08-10 · 17×3
Which venue held the national best bid in AAPL, June 17 2026, 10:00 to 11:30 ETranking ·
2026-08-10 · 16×3
Maker-Taker Fees and Rebates Explained
Where one liquid name's shares printed, by venue (Jul 15, 2026)ranking ·
2026-08-09 · 12×3
Registered US stock exchanges and their participant codestable ·
2026-08-09 · 18×5
One hour of NBBO spreads, measured in mils (Jul 15, 2026)ranking ·
2026-08-09 · 4×3
A 30 mil per share fee as basis points of notional, by price band (Jul 15, 2026)ranking ·
2026-08-09 · 6×3
The Sub-Penny Rule and Price Improvement
What one cent is worth, by share price bandranking ·
2026-08-07 · 8×3
The penny tick and the quoted gap, in basis pointstable ·
2026-08-07 · 7×5
Share of prints that landed on a sub-penny priceranking ·
2026-08-07 · 7×3
AAPL sub-penny print rate by trade size, 17 June 2026ranking ·
2026-08-07 · 5×3
Round lot size for a basket of familiar tickers, from the latest close
Round lot size for a basket of familiar tickers, from the latest close
| ticker | close_price | round_lot_size |
|---|---|---|
| NVR | 6305.86 | 10 |
| COST | 935 | 40 |
| SPY | 765.91 | 40 |
| MSFT | 481.8 | 40 |
| AAPL | 312.08 | 40 |
| NVDA | 218.05 | 100 |
| BKNG | 210.15 | 100 |
| KO | 90.51 | 100 |
| F | 14.08 | 100 |
the exact SQL behind every number
SELECT
ticker,
round(toFloat64(any(close)), 2) AS close_price,
multiIf(any(close) <= 250, 100,
any(close) <= 1000, 40,
any(close) <= 10000, 10,
1) AS round_lot_size
FROM global_markets.stocks_daily_aggs
WHERE date = (SELECT max(date) FROM global_markets.stocks_daily_aggs WHERE date >= today() - 10)
AND ticker IN ('F', 'KO', 'NVDA', 'AAPL', 'MSFT', 'SPY', 'COST', 'BKNG', 'NVR')
GROUP BY ticker
ORDER BY close_price DESC
More from this analysisWhy Odd Lots Don't Set the NBBO
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