CI· Cigna
Dark pool · off-exchange short volume
Short ratio (latest)
45.1%
20-day average
47.1%
Off-exchange share (20d)
29%
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
320.07
8.63B
314.45
6.16B
308.84
8.19B
303.22
9.35B
297.61
9.84B
291.99
11.4B
286.38
13.6B
280.76
14.0B
275.14
15.3B
269.53
16.4B
263.91
9.76B
258.30
6.90B
252.68
5.10B
247.07
5.89B
241.45
6.10B
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.