MRNA· Moderna
Dark pool · off-exchange short volume
Short ratio (latest)
59.5%
20-day average
58.7%
Off-exchange share (20d)
49%
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
164.13
10.9B
161.25
12.0B
158.37
14.7B
155.49
16.8B
152.61
18.4B
149.73
19.4B
146.85
19.0B
143.97
19.4B
141.09
18.3B
138.21
17.1B
135.33
14.7B
132.45
12.1B
129.57
10.1B
126.69
9.25B
123.81
9.85B
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.