GLW· Corning Inc.

Dark pool · off-exchange short volume

Dark pool as of 2026-11-04 · latest session 2026-11-05

GLW's off-exchange short-volume ratio was 36.0% on 4 Nov 2026, below its 20-day average of 39.3%. Off-exchange trading was 43% of volume over the last 20 sessions. 13 sessions in the last six months had unusually large off-exchange dollar volume, the latest on 27 Oct 2026.

Short ratio (latest)

36.0%

20-day average

39.3%

Off-exchange share (20d)

43%

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

143.80

4.62B

141.28

2.89B

138.75

2.46B

136.23

3.02B

133.71

4.97B

131.19

5.73B

128.66

4.94B

126.14

4.17B

123.62

3.32B

121.09

1.26B

118.57

0.72B

116.05

0.97B

113.53

0.78B

111.00

1.07B

108.48

1.04B

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.