EdgeMarketInstruments › RUBI

RUBI — Rubico Inc.

US Industrials Marine transport equity mkt cap 701.6K
1.76 -3.30% today
USD · as of 2026-08-21

Price · 2025-08-04 → 2026-08-21

265 daily closes shown
52w low 1.76 · high 165,555.00

Anonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.

Performance

1 day-3.30%
1 week-5.88%
1 month-25.42%
3 months-90.85%
6 months-99.47%
Year to date-99.91%
1 year-100.00%
3 years-100.00%
5 years-100.00%

Technicals

RSI 1421.3
vs 50-day avg-61.95%
vs 200-day avg-99.91%
Volatility 1y167.9%
Max drawdown 1y-100.00%
Avg volume 30d1.4M
Daily bars held1,396
History from2016-01-04

Measured signals that fired on RUBI

datesignal measured base rate
2026-05-15Equal lows taken out
structure
-0.64% over 21 days · t = -4.75 · n = 55,661
statistically distinguishable from its control group
2026-05-11Short volume far above its own normal
short
-0.76% over 21 days · t = -2.79 · n = 5,897
statistically distinguishable from its control group

Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →

Insider transactions (Form 4)

dateinsiderwhatshares pricevalue
2026-06-12HRT FINANCIAL LP
10% owner
Open-market sale551.0K0.95525.7K
2026-06-11HRT FINANCIAL LP
10% owner
Open-market purchase485.0K0.81393.8K

Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →

Largest institutional holders

managervalueshares
JANE STREET GROUP, LLC13.8K28.9K
Tower Research Capital LLC (TRC)3.9K8.1K
UBS Group AG2.1K4.4K
CITIGROUP INC1430
SBI Securities Co., Ltd.01

13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →

Short selling

Avg short volume, 90d43.5% of tape
Days observed61

This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →

Recent headlines

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