Skip to content
Tapeboard. Dark pools

Off-exchange volume: Oct 21, 2026

Wednesday, October 21, 2026 · estimated off-exchange share · FINRA CNMS numerator · frozen daily record

Start free Dark pool tracker Record archive
Data provenance
US regular session 2026-10-21 (ET). Pack generated 2026-10-21T23:34:58.913Z; 593 CNMS symbols matched, 587 consolidated-volume lookups succeeded.
Numerator: FINRA CNMS daily short-sale-volume file (TotalVolume column = media-reported off-exchange volume) · source file (last modified Wed, 21 Oct 2026 21:18:01 GMT)
Denominator: consolidated market daily chart volume (all-venue, same ET trading day)
Methodology: How we source data

On Wednesday, October 21, 2026, an estimated 98.0% of FISK's consolidated market volume traded off-exchange, the highest share among the 587 US names captured that day (250 of 255 shares). Every share on this page is an estimate: estimated off-exchange share — media-reported trades only, includes internalizers/wholesalers, not per-ATS, understates weekly FINRA totals by ~10–15%.

Highest estimated off-exchange share, Oct 21, 2026

RANKTICKEROFF-EXCH SHAREOFF-EXCH SHARESCNMS SHORT VOLUMECONSOLIDATED VOLUME
1FISK98.0%250250255
2IONC92.4%11.8K6.6K12.7K
3COOL92.3%131129142
4YSAU90.0%289289321
5RMCF85.6%12.6K6.9K14.7K
6CCEL84.0%10.2K5.7K12.2K
7ELOG82.8%84.5K34102.0K
8DAAQ81.8%5361655
9TP79.4%3.3K2.5K4.1K
10GENK78.6%86.4K22.8K110.0K
11OFAL78.3%106.3K34.2K135.7K
12GRAN78.3%15.2K7.1K19.4K
13CTAG77.4%4.0K3.4K5.2K
14BND73.9%7.5M4.5M10.2M
15VTI73.6%1.9M1.4M2.6M
16AIIO72.9%963.9K432.7K1.3M
17PDSB72.2%10.8M5.9M14.9M
18ACYQ71.8%48.4K44.9K67.3K
19ONDS71.2%31.1M17.0M43.7M
20REED71.1%32.9M18.8M46.3M
21XHLD70.9%49.3M27.5M69.6M
22AXTC69.7%303201435
23FRGT69.5%302.1K97.5K434.3K
24ESLA68.9%4.2M2.4M6.1M
25TC68.6%244.4K114.2K356.0K

How to read this record

estimated off-exchange share — media-reported trades only, includes internalizers/wholesalers, not per-ATS, understates weekly FINRA totals by ~10–15%. CNMS daily files cover media-reported trades only; they understate the weekly FINRA off-exchange totals by roughly 10-15%. Every share computed from this pack is an estimate.

This page is a frozen record of one market day, captured same-evening from the FINRA CNMS daily file. The weekly FINRA ATS dark pool view (per pool, per ticker) lives on the dark pool tracker, and every tracked ticker has a weekly dark pool page.

Open the terminal

Track off-exchange flow as it prints.

28 sec to first scanner · no card · cancel anytime

Start free How we source data