Core Scientific, Inc.
CORZR- Exchange
- OTC
- Industry
- Finance Services
- SEC CIK
- 0001839341
In the last 90 days, Core Scientific, Inc. insiders filed 3 open-market purchases and 13 sales; no institution reported holding it in 13F filings for Q2 2026; no superinvestor holds it.
Four kinds of short-selling data, each measuring something different:
- Short interest: shares sold short and not yet bought back, as of a settlement date. FINRA publishes it twice a month, about eight business days after the settlement date.
- Daily short volume: shares sold short each day in off-exchange trades reported to FINRA. It counts trades, not open positions, and is published the next day.
- Fails-to-deliver: shares not delivered by the settlement date. The SEC publishes them twice a month, about two weeks late.
- ATS (dark pool) volume: weekly volume on alternative trading systems and other off-exchange venues. FINRA publishes it two to four weeks after the week.
More in the glossary.
Short interest
Shares sold short and not yet bought back, from FINRA, on every settlement date in the last two years.
- Short interest
- 25.0K
- Shares, settlement Sep 15, 2025
- Change
- +25.0K
- +100.0% vs. Jul 15, 2025
- Days to cover
- 1.00
- Short interest ÷ average daily volume
- Average daily volume
- 56.9K
- Shares, as reported by FINRA
| Settlement date | Short interest | Change | Change % | Avg. daily volume | Days to cover |
|---|---|---|---|---|---|
| Sep 15, 2025 | 25.0K | +25.0K | +100.0% | 56.9K | 1.00 |
| Jul 15, 2025 | 240 | +240 | +100.0% | 635.2K | 1.00 |
| Apr 30, 2025 | 246 | +246 | +100.0% | 112.7K | 1.00 |
| Mar 14, 2025 | 25.0K | +25.0K | +100.0% | 595.4K | 1.00 |
| Oct 31, 2024 | 5.61K | +5.61K | +100.0% | 18.6K | 1.00 |
| Sep 30, 2024 | 2.85K | 0 | 0.0% | 13.3K | 1.00 |
| Sep 13, 2024 | 2.85K | +2.85K | +100.0% | 37.0K | 1.00 |
| Jul 15, 2024 | 25.6K | +1.00K | +4.1% | 327.6K | 1.00 |
| Jun 28, 2024 | 24.6K | −350 | −1.4% | 80.6K | 1.00 |
| Jun 14, 2024 | 25.0K | +25.0K | +100.0% | 2.04M | 1.00 |
Fails-to-deliver
Shares that weren't delivered by the settlement date, from the SEC, for the last 30 dates with fails. The price is the previous day's closing price published by the SEC.
| Settlement date | Shares | Price | Value |
|---|---|---|---|
| Jul 21, 2025 | 100,000 | $0.12 | $12.0K |
| Jul 16, 2025 | 328,331 | $0.15 | $49.2K |
| Jul 15, 2025 | 1,982,279 | $0.15 | $297.3K |
| May 8, 2025 | 1,000,000 | $0.28 | $280.0K |
Daily short volume
Off-exchange short-sale volume, not short interest: shares sold short each day in trades reported to FINRA, for the last 30 trading days.
The short volume ratio isn't a sentiment gauge: market makers sell short to fill buy orders and to hedge, so short sales are usually about half of off-exchange volume.
FINRA has reported no daily short volume for CORZR in the last two years.
ATS (dark pool) volume
Weekly volume on alternative trading systems (ATS) and other off-exchange (OTC) venues, from FINRA, for the last 12 weeks. ATS share is ATS volume ÷ (ATS + OTC volume), not a share of all trading.
| Week of | Tier | ATS shares | ATS trades | Other OTC shares | Other OTC trades | ATS share |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | OTCE | 200 | 1 | 16,582 | 3 | 1.2% |
| Sep 21, 2026 | OTCE | 22,590 | 3 | 66,771 | 2 | 25.3% |
| Aug 31, 2026 | OTCE | – | – | 5,000 | 1 | – |
| Aug 24, 2026 | OTCE | – | – | 3,000 | 3 | – |
| Aug 3, 2026 | OTCE | – | – | 1,645 | 3 | – |
| Jul 27, 2026 | OTCE | – | – | 2,140 | 2 | – |
| Jul 20, 2026 | OTCE | 1,500 | 1 | 540 | 1 | 73.5% |
| Jul 6, 2026 | OTCE | 934 | 2 | – | – | 100.0% |
| Jun 29, 2026 | OTCE | – | – | 1,199,342 | 2 | – |
| Jun 22, 2026 | OTCE | 11,450 | 3 | 8,035 | 3 | 58.8% |
| Jun 15, 2026 | OTCE | – | – | 74,499 | 5 | – |
| Jun 8, 2026 | OTCE | 4,078 | 1 | 96,366 | 8 | 4.1% |