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Market/Dark Pool/IEX

IEX· IDEX Corporation

Dark pool · off-exchange short volume
as of 2026-11-05

IEX's off-exchange short-volume ratio was 40.1% on 5 Nov 2026, below its 20-day average of 43.9%. Off-exchange trading was 38% of volume over the last 20 sessions. 11 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 4 Nov 2026.

Short ratio (latest)
40.1%
20-day average
43.9%
Off-exchange share (20d)
38%

Darkpool density

big day, short ratio above trendbelow trendbubble size = how unusual ($vol z-score)

Last ~6 months. Bubbles mark days of unusually large off-exchange dollar volume (≥1.5σ vs the trailing 60 days). Daily resolution — not print-level data.

Darkpool levels ±15% of spot, since 2018-10-01

243.04
0.09B
238.36
0.98B
233.69
1.97B
229.02
1.74B
224.34
2.97B
219.67
2.82B
214.99
3.64B
210.32
3.69B
205.65
4.07B
200.97
3.76B

Historical off-exchange $ volume at price: each day's volume spread across that day's range, summed over the full FINRA history. Heavy shelves often act as support/resistance magnets. Amber row = spot's bin.

Off-exchange short-volume ratio

short ratio (20d, right) daily off-exchange share (left)

FINRA daily TRF data, last 2 years. A persistently HIGH short ratio is mostly passive market-maker liquidity provision (commonly read as accumulation pressure) — not naively bearish.