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Sionna Therapeutics Inc (SION)

Sionna Therapeutics Inc (SION)
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Fundamentals

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  • Market Capitalization, $K 252,735
  • Shares Outstanding, K 45,212
  • Annual Sales, $ 0 K
  • Annual Income, $ -75,270 K
  • EBIT $ -109 M
  • EBITDA $ -112 M
  • 60-Month Beta 1.32
  • Price/Sales N/A
  • Price/Cash Flow N/A
  • Price/Book 0.90

Options Overview Details

View History
  • Implied Volatility 132.82% (+31.46%)
  • Historical Volatility 704.02%
  • IV Percentile 60%
  • IV Rank 22.54%
  • IV High 333.13% on 07/29/26
  • IV Low 74.54% on 03/18/26
  • Expected Move (DTE 24) 0.17 (2.73%)
  • Put/Call Vol Ratio 0.22
  • Today's Volume 447
  • Volume Avg (30-Day) 795
  • Put/Call OI Ratio 0.87
  • Today's Open Interest 10,560
  • Open Int (30-Day) 9,491
  • Expected Range 6.06 to 6.40

Analyst Rating / Earnings Estimates

Current Rating
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Hold
Based on 12 analysts offering recommendations.
Earnings Estimates - Current Qtr 09/30/26
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  • Average Estimate $-0.63
  • Number of Estimates 3
  • High Estimate $-0.56
  • Low Estimate $-0.69
  • Prior Year $-0.46
  • Growth Rate Est. (year over year) -36.96%

Price Performance

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Period Period Low Period High Performance
1-Month
4.01 +55.26%
on 08/10/26
54.97 -88.67%
on 08/07/26
-39.47 (-86.38%)
since 07/24/26
3-Month
4.01 +55.26%
on 08/10/26
54.97 -88.67%
on 08/07/26
-34.90 (-84.86%)
since 05/22/26
52-Week
4.01 +55.26%
on 08/10/26
54.97 -88.67%
on 08/07/26
-17.83 (-74.12%)
since 08/25/25

Most Recent Stories

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Robbins LLP Reminds Stockholders it is Investigating the Recent Stock Drop of Sionna Therapeutics

SAN DIEGO , Aug. 19, 2026 /PRNewswire/ -- Shareholder rights law firm Robbins LLP  is investigating Sionna Therapeutics (NASDAQ: SION) to determine whether certain Sionna Therapeutics officers...

SION : 6.23 (+11.38%)
Sionna Therapeutics (SION) Securities Investigation Notice - Levi & Korsinsky

Sionna Therapeutics Shares Lost Roughly 90% of Their Value After Phase 2a PreciSION CF Trial of SION-719 Failed to Achieve Its Key Sweat Chloride Endpoint.

SION : 6.23 (+11.38%)
Investigation Launched into Sionna Therapeutics, Inc. (SION), Robbins Geller Rudman & Dowd LLP Attorneys Encourage Investors and Potential Witnesses to Contact Law Firm

The law firm of Robbins Geller Rudman & Dowd LLP is investigating potential violations of United States federal securities laws involving Sionna Therapeutics, Inc. (NASDAQ:...

SION : 6.23 (+11.38%)
Securities Fraud Investigation Into Sionna Therapeutics, Inc. (SION) Announced – Shareholders Who Lost Money Urged To Contact Glancy Prongay Wolke & Rotter LLP, a Leading Securities Fraud Law Firm

Glancy Prongay Wolke & Rotter LLP , a leading national shareholder rights law firm, today announced that it has commenced an investigation on behalf of Sionna Therapeutics, Inc. (“Sionna” or...

SION : 6.23 (+11.38%)
Sionna Therapeutics, Inc. (SION) Shareholders Who Lost Money – Contact Law Offices of Howard G. Smith About Securities Fraud Investigation

Law Offices of Howard G. Smith announces an investigation on behalf of Sionna Therapeutics, Inc. (“Sionna” or the “Company”) (NASDAQ: SION ) investors concerning the Company’s...

SION : 6.23 (+11.38%)
Securities Fraud Investigation Into Sionna Therapeutics, Inc. (SION) Announced – Shareholders Who Lost Money Urged to Contact The Law Offices of Frank R. Cruz

The Law Offices of Frank R. Cruz announces an investigation of Sionna Therapeutics, Inc. (“Sionna” or the “Company”) (NASDAQ: SION ) on behalf of investors concerning the...

SION : 6.23 (+11.38%)
Robbins LLP is Investigating the Recent Stock Drop of Sionna Therapeutics; Contact the Firm for Information

Shareholder rights law firm Robbins LLP is investigating Sionna Therapeutics (NASDAQ: SION) to determine whether certain Sionna Therapeutics officers and directors violated securities laws...

SION : 6.23 (+11.38%)
SION Investors Have Opportunity to Join Sionna Therapeutics, Inc. Fraud Investigation with SBS Law

Schall, Brown & Schwartz LLP (“SBS”), a national shareholder rights litigation firm, announces that it is investigating claims on behalf of investors of Sionna Therapeutics, Inc. (“Sionna”...

SION : 6.23 (+11.38%)
SION Investor Alert: Levi & Korsinsky Notifies Investors of Investigation Into Sionna Therapeutics (SION)

Sionna Therapeutics shares lost roughly $40 per share after SION-719 Phase 2a readout, cutting the stock by about 90%. Levi & Korsinsky is investigating potential securities law violations on behalf of...

SION : 6.23 (+11.38%)
SION SHAREHOLDER INVESTIGATION: SueWallSt Notifies Investors of Potential Securities Claims Involving Sionna Therapeutics

Sionna Therapeutics shares traded above $44 in July 2026; after the SION-719 Phase 2a readout, roughly 90% of that value was lost. SueWallSt notifies investors of a pending investigation into potential...

SION : 6.23 (+11.38%)

Business Summary

Sionna Therapeutics Inc. is a clinical-stage biopharmaceutical company by developing novel medicines that normalize the function of the CFTR protein. Sionna Therapeutics Inc. is based in BOSTON.

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Key Turning Points

3rd Resistance Point 6.13
2nd Resistance Point 5.87
1st Resistance Point 5.73
Last Price 6.23
1st Support Level 5.33
2nd Support Level 5.07
3rd Support Level 4.93

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52-Week High 54.97
Fibonacci 61.8% 35.50
Fibonacci 50% 29.49
Fibonacci 38.2% 23.48
Last Price 6.23
52-Week Low 4.01

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