HomeCompareRDOIF vs MRK

RDOIF vs MRK: Dividend Comparison 2026

RDOIF yields 20000000.00% · MRK yields 2.76%● Live data

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After 10 years · $10,000 invested · DRIP enabled
🏆 RDOIF wins by $4.875981653489057e+49M in total portfolio value
10 years
RDOIF
RDOIF
● Live price
20000000.00%
Share price
$0.00
Annual div
$2.00
5Y div CAGR
0%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$4.875981653489057e+49M
Annual income
$48,759,336,949,911,260,000,000,000,000,000,000,000,000,000,000,000,000,000.00
Full RDOIF 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 — RDOIF vs MRK

📍 RDOIF 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 PeriodRDOIFMRK
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%.
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Dividend Calendar Overlap

Combined, RDOIF + MRK cover 0 of 12 monthsgood coverage

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

Tax Bracket Optimizer

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

RDOIF
Annual income on $10K today (after 15% tax)
$1,700,000,000.00/yr
After 10yr DRIP, annual income (after tax)
$41,445,436,407,424,570,000,000,000,000,000,000,000,000,000,000,000,000,000.00/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, RDOIF beats the other by $41,445,436,407,424,570,000,000,000,000,000,000,000,000,000,000,000,000,000.00/year in after-tax income after 10 years on $10,000
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Lazy Portfolio Split Optimizer

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

RDOIF: 50%MRK: 50%
100% MRK50/50100% RDOIF
Portfolio after 10yr
$2.4379908267445285e+49M
Annual income
$24,379,668,474,955,630,000,000,000,000,000,000,000,000,000,000,000,000,000.00/yr
Blended yield
100.00%
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Analyst Conviction Gap

Where Wall Street is most bullish on MRK right now

RDOIF
No analyst data
Altman Z
-113.0
Piotroski
1/9
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)

RDOIF buys
0
MRK buys
0
No recent congressional trades found for RDOIF or MRK in the last 90 days.
STOCK Act mandates disclosure within 45 days of transaction. Data via FMP.Full tracker →
MetricRDOIFMRK
Forward yield20000000.00%2.76%
Annual dividend / share$2.00$3.32
Payout ratio50%50%
1-year div growth0%0%
5-year div CAGR0%32.7%
Portfolio after 10y$4.875981653489057e+49M$56.8K
Annual income after 10y$48,759,336,949,911,260,000,000,000,000,000,000,000,000,000,000,000,000,000.00$9,798.13
Total dividends collected$4.875978515990276e+49M$28.9K
Payment frequencyquarterlyquarterly
SectorStockHealthcare

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

YearRDOIF PortfolioRDOIF Income/yrMRK PortfolioMRK Income/yrGap
1← crossover$2,000,010,700$2,000,000,000.00$11,206$366.19+$2000.00MRDOIF
2$373,835,915,712,384$373,833,775,700,934.50$12,650$502.35+$373835915.70MRDOIF
3$65,304,953,364,964,970,000$65,304,553,360,535,160,000.00$14,407$694.19+$65304953364964.95MRDOIF
4$10,661,728,832,755,500,000,000,000$10,661,658,956,455,399,000,000,000.00$16,585$967.82+$10661728832755499008.00MRDOIF
5$1,626,767,783,781,495,000,000,000,000,000$1,626,756,375,731,643,800,000,000,000,000.00$19,342$1,363.89+$1.626767783781495e+24MRDOIF
6$231,974,330,054,625,100,000,000,000,000,000,000$231,972,589,413,096,470,000,000,000,000,000,000.00$22,913$1,947.19+$2.319743300546251e+29MRDOIF
7$30,915,106,403,922,057,000,000,000,000,000,000,000,000$30,914,858,191,388,900,000,000,000,000,000,000,000,000.00$27,662$2,823.89+$3.0915106403922057e+34MRDOIF
8$3,850,507,985,839,278,000,000,000,000,000,000,000,000,000,000$3,850,474,906,675,425,000,000,000,000,000,000,000,000,000,000.00$34,159$4,173.35+$3.8505079858392777e+39MRDOIF
9$448,210,261,035,314,200,000,000,000,000,000,000,000,000,000,000,000$448,206,140,991,769,400,000,000,000,000,000,000,000,000,000,000,000.00$43,337$6,308.80+$4.4821026103531426e+44MRDOIF
10$48,759,816,534,890,570,000,000,000,000,000,000,000,000,000,000,000,000,000$48,759,336,949,911,260,000,000,000,000,000,000,000,000,000,000,000,000,000.00$56,776$9,798.13+$4.875981653489057e+49MRDOIF

RDOIF vs MRK: Complete Analysis 2026

RDOIFStock

Rodinia Oil Corp., through its subsidiary, Rodinia Oil (Australia) Pty Ltd., engages in the acquisition and exploration petroleum and natural gas assets in Australia. It holds an 85% working interest in petroleum exploration licenses and permits covering approximately 8.5 million net acres in South Australia and approximately 11.1 million net acres in Western Australia. The company was formerly known as Officer Basin Energy Inc. and changed its name to Rodinia Oil Corp. in March 2008. Rodinia Oil Corp. was incorporated in 2006 and is headquartered in Calgary, Canada.

Full RDOIF 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.