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OPORF vs MRK: Dividend Comparison 2026

OPORF yields 3.14% · MRK yields 2.76%● Live data

vsPost on X →
After 10 years · $10,000 invested · DRIP enabled
🏆 MRK wins by $32.3K in total portfolio value
10 years
OPORF
OPORF
● Live price
3.14%
Share price
$0.09
Annual div
$0.00
5Y div CAGR
0%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$24.5K
Annual income
$384.28
Full OPORF calculator →
MRK
Merck & Co. Inc.
● Live price
2.76%
Share price
$120.31
Annual div
$3.32
5Y div CAGR
32.7%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$56.8K
Annual income
$9,798.13
Full MRK calculator →

Portfolio growth — OPORF vs MRK

📍 MRK pulled ahead of the other in Year 1

Annual dividend income

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Recession Test — Did They Cut Dividends?

How each stock treated shareholders during the 3 biggest crises of the last 20 years

Crisis PeriodOPORFMRK
2008–2009
GFC
— No data— No data
2020 Q1–Q2
COVID
— No data— No data
2022 Q4
Rate Hike
— No data— No data
Based on dividend payment history. "Increased" = dividend grew during crisis. "Maintained" = held within 3%. "Cut" = reduced by more than 3%.
📅

Dividend Calendar Overlap

Combined, OPORF + MRK cover 0 of 12 monthsgood coverage

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
OPORF pays
MRK pays
Both pay
Neither
💰

Tax Bracket Optimizer

Which stock is actually better after tax? Adjust your rate to find out.

OPORF
Annual income on $10K today (after 15% tax)
$266.85/yr
After 10yr DRIP, annual income (after tax)
$326.64/yr
MRK
Annual income on $10K today (after 15% tax)
$234.56/yr
After 10yr DRIP, annual income (after tax)
$8,328.41/yr
At 15% tax rate, MRK beats the other by $8,001.77/year in after-tax income after 10 years on $10,000
⚖️

Lazy Portfolio Split Optimizer

What's the optimal mix of OPORF + MRK for your $10,000?

OPORF: 50%MRK: 50%
100% MRK50/50100% OPORF
Portfolio after 10yr
$40.6K
Annual income
$5,091.21/yr
Blended yield
12.53%
📊

Analyst Conviction Gap

Where Wall Street is most bullish on MRK right now

OPORF
No analyst data
Altman Z
3.9
Piotroski
6/9
MRK
Analyst Ratings
25
Buy
11
Hold
1
Sell
Consensus: Buy
Price Target
$128.54
+6.8% upside vs current
Range: $100.00 — $150.00
Altman Z
4.0
Piotroski
6/9
Analyst ratings via FMP. Altman Z-Score: >3.0 safe, 1.81–3.0 grey zone, <1.81 distress. Piotroski: 7–9 strong, 0–3 weak.
🏛️

Copy Congress — What Are Politicians Buying?

Senate & House STOCK Act disclosures (last 90 days)

OPORF buys
0
MRK buys
0
No recent congressional trades found for OPORF or MRK in the last 90 days.
STOCK Act mandates disclosure within 45 days of transaction. Data via FMP.Full tracker →
MetricOPORFMRK
Forward yield3.14%2.76%
Annual dividend / share$0.00$3.32
Payout ratio50%50%
1-year div growth0%0%
5-year div CAGR0%32.7%
Portfolio after 10y$24.5K$56.8K
Annual income after 10y$384.28$9,798.13
Total dividends collected$3.5K$28.9K
Payment frequencyquarterlyquarterly
SectorStockHealthcare

Year-by-year: OPORF vs MRK ($10,000, DRIP)

YearOPORF PortfolioOPORF Income/yrMRK PortfolioMRK Income/yrGap
1← crossover$11,014$313.94$11,206$366.19$192.00MRK
2$12,108$323.15$12,650$502.35$542.00MRK
3$13,288$332.01$14,407$694.19$1.1KMRK
4$14,558$340.52$16,585$967.82$2.0KMRK
5$15,926$348.67$19,342$1,363.89$3.4KMRK
6$17,397$356.48$22,913$1,947.19$5.5KMRK
7$18,979$363.93$27,662$2,823.89$8.7KMRK
8$20,679$371.05$34,159$4,173.35$13.5KMRK
9$22,504$377.83$43,337$6,308.80$20.8KMRK
10$24,464$384.28$56,776$9,798.13$32.3KMRK

OPORF vs MRK: Complete Analysis 2026

OPORFStock

hVIVO plc operates as a pharmaceutical service and contract research company. The company is involved in testing vaccines and antivirals using human challenge clinical trials. It provides services to big pharma, biotech, government, and public health organizations. The company has a portfolio of human challenge study models for conditions, such as RSV, flu, human rhinovirus, asthma, malaria, cough, and COPD, as well as developing COVID-19 human challenge study model. In addition, the company is developing a database of infectious disease progression data that include Disease in Motion platform, which comprises unique datasets, such as clinical, immunological, virological, and digital (wearable) biomarkers. The Disease in Motion platform has various potential applications across a range of end users, including big technology, wearables, pharma, and biotech companies. Further, the company provides pre­clinical and early clinical research services; sales and marketing services; and biometry, data management, and statistics to its various European pharmaceutical clients, as well as drug development consultancy and services, including CMC (chemistry, manufacturing, and controls), and PK and medical writing to a range of European clients. The company was formerly known as Open Orphan Plc and changed its name to hVIVO plc in October 2022. hVIVO plc is headquartered in London, the United Kingdom.

Full OPORF Calculator →

MRKHealthcare

Merck & Co., Inc. operates as a healthcare company worldwide. It operates through two segments, Pharmaceutical and Animal Health. The Pharmaceutical segment offers human health pharmaceutical products in the areas of oncology, hospital acute care, immunology, neuroscience, virology, cardiovascular, and diabetes, as well as vaccine products, such as preventive pediatric, adolescent, and adult vaccines. The Animal Health segment discovers, develops, manufactures, and markets veterinary pharmaceuticals, vaccines, and health management solutions and services, as well as digitally connected identification, traceability, and monitoring products. It serves drug wholesalers and retailers, hospitals, and government agencies; managed health care providers, such as health maintenance organizations, pharmacy benefit managers, and other institutions; and physicians and physician distributors, veterinarians, and animal producers. The company has collaborations with AstraZeneca PLC; Bayer AG; Eisai Co., Ltd.; Ridgeback Biotherapeutics; and Gilead Sciences, Inc. to jointly develop and commercialize long-acting treatments in HIV. Merck & Co., Inc. was founded in 1891 and is headquartered in Kenilworth, New Jersey.

Full MRK Calculator →
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⚠️ Educational purposes only. Not financial advice. Congressional trades sourced from SEC STOCK Act filings via FMP. Past performance does not guarantee future results.