Sale conditions that mark protection-rule exceptions
Answered against 22 years of US equities and 12 years of US options data and published with the query that produced it. This result is stored as of 2026-08-20, from What Is a Trade-Through? ISO Orders Explained.
| condition_name | tape_code | what_it_marks |
|---|---|---|
| Average Price Trade | ||
| Derivatively Priced | ||
| Extended Hours (Sold Out Of Sequence) | ||
| Intermarket Sweep | ||
| Intermarket Sweep Order | ISOI | Transaction was the execution of an order identified as an Intermarket Sweep Order. Process like normal transaction. |
| Late and Out Of Sequence | OSEQ | Transaction is being reported late and is out of sequence; i.e., later transactions have been reported for the particular option contract. |
| Odd Lot Trade | ||
| Opening Trade, Late, and Out Of Sequence | OPEN | Transaction is a late report of the opening trade and is out of sequence; i.e., other transactions have been reported for the particular option contra |
| Prior Reference Price | ||
| Sold (Out Of Sequence) | ||
| Sold (Out of Sequence) and Stopped Stock |
- Rows × columns
- 11 × 3
- Computed
- Completeness
- Some fields are partly empty — see the columns below
- Source
- US exchange, SIP and OPRA market data
- Licence
- Strasmore terms · free, no signup
What each column holds
| Column | Type | Range | Notes |
|---|---|---|---|
condition_name |
text | 11 distinct values | |
tape_code |
text | 3 distinct values (ISOI, OPEN, OSEQ) | 3 of 11 rows populated |
what_it_marks |
text | 3 distinct values | 3 of 11 rows populated |
Computed from Strasmore's warehouse of US exchange, SIP and OPRA market data. Equity prices are delayed; options greeks and implied volatility are end-of-day. This result is stored, not recomputed on load — it is exactly the numbers that were returned on , and the query below is what returned them.
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SELECT
name AS condition_name,
any(abbreviation) AS tape_code,
substring(any(description), 1, 150) AS what_it_marks
FROM global_markets.stocks_condition_codes
WHERE name ILIKE '%sweep%'
OR name ILIKE '%derivatively%'
OR name ILIKE '%prior reference%'
OR name ILIKE '%odd lot%'
OR name ILIKE '%average price%'
OR name ILIKE '%out of sequence%'
GROUP BY name
ORDER BY condition_name
LIMIT 15
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