BNY Dark Pool Activity
Bank of New York Mellon Corp
Data as of Oct 23, 2026 · Source: FINRA daily short sale volume (off-exchange)
On Oct 23, 2026, FINRA reported 556K BNY shares in publicly disseminated off-exchange trades (dark pools and other off-exchange venues). 263K of those shares (47.3%) were marked short or short-exempt, above BNY's 30-day rolling average of 30.8% (z-score 1.54). Over the last 10 FINRA sessions (Oct 12, 2026 – Oct 23, 2026), BNY's off-exchange short volume ratio ranged from 15.4% to 47.6% and averaged 36.1%; the latest reading is above that 10-session average.
Off-Exchange Volume
556K
Short Volume
263K
Short Volume Ratio
47.3%
30-Day Average
30.8%
z-score 1.54
Daily readings — last 10 FINRA sessions
| Date | Off-exchange shares | Short shares | Short ratio |
|---|---|---|---|
| Oct 12, 2026 | 733K | 268K | 36.5% |
| Oct 13, 2026 | 1.2M | 314K | 26.4% |
| Oct 14, 2026 | 2.9M | 451K | 15.4% |
| Oct 15, 2026 | 2.4M | 509K | 21.0% |
| Oct 16, 2026 | 1.4M | 615K | 43.3% |
| Oct 19, 2026 | 1.1M | 440K | 39.6% |
| Oct 20, 2026 | 1.2M | 500K | 41.1% |
| Oct 21, 2026 | 1.1M | 518K | 47.6% |
| Oct 22, 2026 | 997K | 427K | 42.8% |
| Oct 23, 2026 Latest | 556K | 263K | 47.3% |
Source: FINRA daily short sale volume (off-exchange). Ratio = ShortVolume ÷ TotalVolume for the day.
BNY dark pool FAQ
- How much BNY off-exchange volume did FINRA report on Oct 23, 2026?
- FINRA's daily short sale volume file reported 556K BNY shares in publicly disseminated off-exchange trades on Oct 23, 2026; 263K of those shares (47.3%) were marked short or short-exempt.
- Is BNY's dark pool short volume ratio unusual right now?
- As of Oct 23, 2026, BNY's short volume ratio of 47.3% is above BNY's 30-day rolling average of 30.8% (z-score 1.54). Meridian's dark pool model does not flag this reading as an anomaly.
- What does the dark pool short volume ratio measure?
- FINRA publishes daily short sale volume for trades reported off-exchange to its trade reporting facilities, which include dark pools and other off-exchange venues. The ratio divides FINRA's ShortVolume figure, which counts both short and short-exempt sales, by the total off-exchange shares reported for that day. It is not short interest and not a directional signal: market-maker hedging and reporting mechanics can raise it, so it is context for other signals.