SIONNA THERAPEUTICS INC (SION) Stock Technical Analysis

NASDAQ:SION • US8294011080

35.49 USD
-1.85 (-4.95%)
At close: Feb 20, 2026
35.49 USD
0 (0%)
After Hours: 2/20/2026, 8:05:06 PM
Technical Rating and Analysis

4

We assign a technical rating of 4 out of 10 to SION. In the last year, SION was one of the better performers, although we are getting mixed signals now in both the short and medium term time frames.

  • When comparing the yearly performance of all stocks, we notice that SION is one of the better performing stocks in the market, outperforming 84% of all stocks.
  • SION is one of the better performing stocks in the Biotechnology industry, it outperforms 72% of 520 stocks in the same industry.
  • SION is currently trading in the upper part of its 52 week range. The S&P500 Index however is currently trading near a new high, so SION is lagging the market slightly.
  • The long term trend is positive and the short term trend is negative. It is probably better to wait until this picture becomes clearer.
  • In the last month SION has a been trading in the 32.46 - 44.99 range, which is quite wide. It is currently trading in the middle of this range, so some resistance may be found above.
  • Considerably lower volume is observed in the last couple of days.
Weekly and Daily overview Charts
SIONNA THERAPEUTICS INC / SION Weekly stock chart
SIONNA THERAPEUTICS INC / SION Daily stock chart
Setup Rating and Analysis

6

Although the technical rating is only medium, SION does present a nice setup opportunity. We see reduced volatility while prices have been consolidating in the most recent period. There is a resistance zone just above the current price starting at 37.12. Right above this resistance zone may be a good entry point. There is a support zone below the current price at 35.48, a Stop Loss order could be placed below this zone.

Support and Resistance Analysis

34.06

44.82

When analyzing the support we can see 2 important areas.

  • A support zone ranging from 35.24 to 35.48. This zone is formed by a combination of multiple trend lines in multiple time frames.
  • Support @34.40 from a horizontal line in the daily time frame.

When analyzing the resistance we notice 2 important areas.

  • A resistance zone ranging from 37.12 to 38.29. This zone is formed by a combination of multiple trend lines and important moving averages in multiple time frames.
  • Resistance @44.38 from a horizontal line in the daily time frame.
Technical Indicator Signal Analysis

The Technical Rating and Setup analysis above combine different indicators and trends in different timeframes. Individual signals from indicators may give more contradictive signals and should always be interpreted in the more global context.

IndicatorValueSignalComment
ChartMill Long Term Trend IndicatorUPPOSITIVEThe long term trend for SION is up.
ChartMill Short Term Trend IndicatorDOWNNEGATIVEThe short term trend for SION is down.
ChartMill Relative Strength84.62POSITIVESION has a high relative strength, it outperformed 84.62% off all stocks on the market.
Simple Moving Average/SMA (20)DOWNNEGATIVEThe current price of SION is below a declining SMA(20).
Simple Moving Average/SMA (50)DOWNNEGATIVEThe current price of SION is below a declining SMA(50).
Simple Moving Average/SMA (200)UPPOSITIVEThe current price of SION is above the rising SMA(200).
Relative Strength Index/RSI (14)39.52NEUTRALThe RSI value for SION is a neutral value.
Moving Average Convergence Divergence/MACD (12, 26, 9)-0.31NEGATIVEThe MACD value suggests SION has a negative trend.
Stochastics (14,3)35.06NEUTRALThe Stochastics value for SION is a neutral value.
Average True Range in percent/ATR (20)7.83HIGH VOLATILITYThe high ATR as a percentage value for SION suggests high volalility.
Average Directional Index/ADX (14)18.98NEGATIVEThe low ADX value for SION suggests a weak or negative trend.
Chart- and CandleStick Pattern Analysis
Daily CandleStick Patterns
Bullish Engulfing (D)
Bullish Hammer (D)
Bearish Inverted Hammer (D)
Hanging Man (D)
Bullish Harami (D)
Doji (D)
Gravestone Doji (D)
DragonFly Doji (D)
Bearish Engulfing (D)
Bearish Shooting Star (D)
Bearish Harami (D)
Inside Bar (D)
Red Dog Reversal Down (D)
Red Dog Reversal Up (D)
Dark Cloud Cover (D)
Weekly CandleStick Patterns
Bullish Engulfing (W)
Bullish Hammer (W)
Bearish Inverted Hammer (W)
Hanging Man (W)
Bullish Harami (W)
Doji (W)
Gravestone Doji (W)
DragonFly Doji (W)
Bearish Engulfing (W)
Bearish Shooting Star (W)
Bearish Harami (W)
Inside Bar (W)
Dark Cloud Cover (W)
Daily Chart Patterns
Bull Flag
Bear Flag
Ascending Triangle (D)
Descending Triangle (D)
Symmetrical Triangle (D)
Squeeze
Channel (D)
Channel Up (D)
Channel Down (D)
Rising Wedge (D)
Falling Wedge (D)
Double Bottom (D)
Multiple Bottom (D)
Double Top (D)
Multiple Top (D)
Weekly Chart Patterns
Weekly Bull Flag
Weekly Bear Flag
Squeeze Week
Channel (W)
Double Bottom (W)
Multiple Bottom (W)
Double Top (W)
Multiple Top (W)
SIONNA THERAPEUTICS INC / SION Daily stock chart

SIONNA THERAPEUTICS INC

NASDAQ:SION (2/20/2026, 8:05:06 PM)

After market: 35.49 0 (0%)

35.49

-1.85 (-4.95%)

Chartmill TA Rating
Chartmill Setup Rating
Sector
GICS SectorHealth Care
GICS IndustryBiotechnology
Performance
% Chg-4.95%
1 Week-5.71%
2 Weeks0.68%
1 Month-15.03%
3 Month-18.71%
6 Month45.51%
12 Month79.61%
2 YearN/A
3 YearN/A
5 YearN/A
10 YearN/A
15 YearN/A
Volatility
ATR(14)3.07
ATR(20)%7.83%
ATR Inc-43.19%
Range Today2.04
ADR(20)2.78
ADR(20)%7.83%
Trend & SMA
ST Trend
LT Trend
SMA(5)
SMA(10)
SMA(20)
SMA(50)
SMA(100)
SMA(200)
Relative Strength & Ranges
CRS84.62
3 months CRS13.93
6 months CRS91.66
Mansfield3.09
10 Day High39.87
10 Day Low34.87
20 Day High44.99
20 Day Low32.46
52 Week High45
52 Week Low7.26
CS1 End35.48
CR1 Start37.12
Volume & EV
DER(3)2.19%
DER(5)2.35%
Volume145.50K
Volume Incr-44.9%
Vol(5)176.28K
Vol(50)312.80K

SIONNA THERAPEUTICS INC / SION FAQ

What is the technical rating for SION stock?

ChartMill assigns a technical rating of 4 / 10 to SION.


What is the trend direction for SION stock?

The current trend direction for SIONNA THERAPEUTICS INC (SION) is Bullish.


Can you provide the RSI signal for SIONNA THERAPEUTICS INC?

SIONNA THERAPEUTICS INC (SION) has an RSI value of 39.5198. This indicates that the stock is currently neutral.


Can you provide the MACD signal for SIONNA THERAPEUTICS INC?

The MACD indicator for SIONNA THERAPEUTICS INC (SION) has a value of -0.308272, indicating a bearish trend.


What is the buy/sell signal for SION stock?

The buy/sell signal for SIONNA THERAPEUTICS INC (SION) is hold as the short term and long term trends are mixed.