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SCHW· Charles Schwab Corporation
Dark pool · off-exchange short volume
Short ratio (latest)
52.1%
20-day average
40.6%
Off-exchange share (20d)
32%

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

113.69
0.38B
111.54
1.41B
109.39
2.64B
107.25
2.72B
105.10
2.55B
102.96
7.51B
100.81
5.87B
98.67
2.78B
96.53
9.13B
94.38
18.4B
92.23
20.2B

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.

SCHW Dark Pool — Off-Exchange & Short Volume — Tapelab