SLNO Stock Down -22% after 6-Day Loss Streak

SLNO: Soleno Therapeutics logo
SLNO
Soleno Therapeutics

Soleno Therapeutics (SLNO) stock hit day 6 of a continuous streak of days with losses, with cumulative losses over this period amounting to a -22% return. The company has lost about $745 Mil in value over the last 6 days, with its current market capitalization at about $3.4 Bil. The stock remains 48.6% above its value at the end of 2024. This compares with year-to-date returns of 9% for the S&P 500.

SLNO is a clinical-stage biopharmaceutical company offering Diazoxide Choline Controlled-Release, a once-daily oral tablet for treating Prader-Willi Syndrome. Is this drop a warning sign or a setup for rebound? Deep dive with Buy or Sell SLNO.

Comparing SLNO Stock Returns With The S&P 500

The following table summarizes the return for SLNO stock vs. the S&P 500 index over different periods, including the current streak:
 

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Return Period SLNO S&P 500
1D -1.9% -0.6%
6D (Current Streak) -22.1% 0.6%
1M (21D) -23.2% 1.7%
3M (63D) -11.6% 7.5%
YTD 2025 48.6% 9.0%
2024 11.7% 23.3%
2023 1932.8% 24.2%
2022 382.9% -19.4%

 
What is the point? Sustained weakness can be more than noise. It often signals shifting sentiment or deeper concerns. A multi-day losing streak may warn of further downside, or present an opportunity to buy if fundamentals are intact. Take a look at what history tells you about whether past dips like this have been buying opportunities or traps: SLNO Dip Buyer Analysis.

Gains and Losses Streaks: S&P 500 Constituents

There are currently 44 S&P constituents with 3 days or more of consecutive gains and 32 constituents with 3 days or more of consecutive losses.
 

Consecutive Days # of Gainers # of Losers
3D 28 8
4D 4 20
5D 3 3
6D 7 1
7D or more 2 0
Total >=3 D 44 32

 
 
Key Financials for Soleno Therapeutics (SLNO)

Last 2 Fiscal Years:

Metric FY2023 FY2024
Revenues $0 $0
Operating Income $-38.7 Mil $-184.4 Mil
Net Income $-39.0 Mil $-175.8 Mil

Last 2 Fiscal Quarters:

Metric 2025 FQ1 2025 FQ2
Revenues $0 $32.7 Mil
Operating Income $-42.8 Mil $-5.4 Mil
Net Income $-43.8 Mil $-4.7 Mil

 
The losing streak SLNO stock is currently on doesn’t inspire much confidence among investors. In contrast, Trefis High Quality (HQ) Portfolio, with a collection of 30 stocks, has a track record of comfortably outperforming its benchmark that includes all 3 – the S&P 500, S&P mid-cap, and Russell 2000 indices. Why is that? As a group, HQ Portfolio stocks provided better returns with less risk versus the benchmark index; less of a roller-coaster ride, as evident in HQ Portfolio performance metrics.