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Daily close · 2026-10-16
Price return
Both stocks start at 0% on the first shared trading day.
PBM-99.99%
REVB-100.00%
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Split-adjusted closing prices. Dividends are excluded.Year ranges begin January 1 of the end year minus the selected years.
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CONTEXT ATTACHEDPBM + REVBPrices, financials and SEC filing evidence
Similarity
68.9%
3 shared / 4 total tags
How similar are their businesses?
The score compares business activities in annual filings released in 2025. Core activities receive four times the weight of material activities. Industries that fewer companies share carry more weight.
Positive activities from the two selected annual filings. Expand each group to view all its activities, or use the complete table below. These are classification sets, not revenue shares. The weighted similarity score also accounts for exposure and how common each activity is.Show business activity table · 4 rows, 3 columns
Core activities receive full weight; material activities receive one quarter. Select a tag to read the filing evidence.
Business activity
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REVB
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What each company does
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PS
Psyence Biomedical Ltd. Common Shares
PBM · XNAS
Psyence Biomedical Ltd. engages in the development of botanical psilocybin-based psychedelic medicines. It also evaluates natural psilocybin for the treatment of adjustment disorder in patients with an incurable cancer diagnosis in a palliative care context. The company's lead product candidate is PEX010, which is in Phase IIb clinical study, a capsule containing naturally sourced psilocybin for treatment of anxiety and depression, including associated ailments, such as post-traumatic stress disorder PTSD, stress, grief, and adjustment disorder in the context of palliative care. It has a partnership with iNGENu Pty Ltd to conduct a Phase IIb clinical trial of PEX010 in psilocybin-assisted psychotherapy for the treatment of AjD due to incurable cancer. The company has a strategic collaboration with PsyLabs to produce Ibogaine. The company is based in Toronto, Canada. Psyence Biomedical Ltd. operates as a subsidiary of Psyence Group Inc.
Revelation Biosciences, Inc. operates as a clinical-stage biopharmaceutical company that focuses on the development and commercialization of immune system therapeutics and diagnostics. It engages in developing therapeutic product candidates, including GEM-AKI, a potential therapy for the prevention and treatment of acute kidney injury; and GEM-CKD, a potential therapy for the prevention and treatment of chronic kidney disease. The company was formerly known as Petra Acquisition, Inc. and changed its name to Revelation Biosciences, Inc. in January 2022. Revelation Biosciences, Inc. was incorporated in 2019 and is based in San Diego, California.
Price return uses split-adjusted daily closes and excludes dividends. Both stocks start on the first shared trading day within the selected window. Unavailable metrics leave gaps.
Financials use SEC canonical statements available by the displayed cutoff, retaining each company's fiscal period end. Annual and quarterly amounts are shown separately. P/E is unavailable when earnings do not support a positive ratio.
Business overlap uses industry tags from annual filings released in 2025. Each core activity receives full weight; each material activity receives one quarter of that weight. Rarer industries carry more weight. We sum the smaller exposure for each shared activity and divide it by the sum of the larger exposure for every activity in either company. This measures business overlap, rather than price correlation or expected returns.
Search eligibility requires distinct issuers, a shared core category and at least 20% weighted overlap, supported by industry or sector evidence and specific business activities. Broad classifications require stronger overlap within the same sector. Comparisons also need at least 252 shared price observations within two years, recent trading and a common sourced revenue or net-income trend. Missing P/E or gross margin alone does not exclude a comparison. The eligibility snapshot refreshes daily. Related comparisons use a separate, stricter peer rule; their ten-peer discovery limit does not limit search eligibility. Other stock pairs remain available in the comparison tool.
Statements available through 2026-10-18. Industry snapshot: 2025-12-31 · 5,721 classified issuers.