SIONSionna Therapeutics, Inc.

$51.04

What is the market doing?

What the tape says about SION

Sionna Therapeutics, Inc. is +193% over the past year while the S&P 500 is +23%: 170 points ahead of the market.

+193%

1-year return · S&P 500 +23%

vs 200-day average
−84%

vs 200-day average · a clear downtrend

RSI (14)
9

RSI (14) · oversold, sold harder than it has been bought

Below its 52-week high
−88%

Below its 52-week high

2025-02-07$4.50 – $51.04 · dashed line: 200-day average2026-08-26
Details
Last close2026-08-26
$51.04
1 monthS&P 500 +3.7%
+31%
1 yearS&P 500 +23%
+193%
vs 50-day average$32.48
−81%
52-week high
$51.03
52-week low
$4.50
Annualised volatility
117%
Insider buying, net, 6 monthsForms 3/4/5 to 2026-06-30
−$10M

End-of-day closes from IEX; the S&P 500 comparison uses SPY over the same window. Prices are a reference point, not a basis for trading decisions.