HomeCompareRSPI vs MRK

RSPI vs MRK: Dividend Comparison 2026

RSPI yields 111111.11% · MRK yields 2.76%● Live data

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After 10 years · $10,000 invested · DRIP enabled
🏆 RSPI wins by $1.3838190899465547e+27M in total portfolio value
10 years
RSPI
RSPI
● Live price
111111.11%
Share price
$0.00
Annual div
$2.00
5Y div CAGR
0%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$1.3838190899465547e+27M
Annual income
$1,381,373,456,343,941,000,000,000,000,000,000.00
Full RSPI 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 — RSPI vs MRK

📍 RSPI 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 PeriodRSPIMRK
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, RSPI + MRK cover 0 of 12 monthsgood coverage

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

Tax Bracket Optimizer

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

RSPI
Annual income on $10K today (after 15% tax)
$9,444,444.44/yr
After 10yr DRIP, annual income (after tax)
$1,174,167,437,892,349,800,000,000,000,000,000.00/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, RSPI beats the other by $1,174,167,437,892,349,800,000,000,000,000,000.00/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 RSPI + MRK for your $10,000?

RSPI: 50%MRK: 50%
100% MRK50/50100% RSPI
Portfolio after 10yr
$6.919095449732774e+26M
Annual income
$690,686,728,171,970,500,000,000,000,000,000.00/yr
Blended yield
99.82%
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Analyst Conviction Gap

Where Wall Street is most bullish on MRK right now

RSPI
No analyst data
Altman Z
-2461.3
Piotroski
2/9
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)

RSPI buys
0
MRK buys
0
No recent congressional trades found for RSPI or MRK in the last 90 days.
STOCK Act mandates disclosure within 45 days of transaction. Data via FMP.Full tracker →
MetricRSPIMRK
Forward yield111111.11%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$1.3838190899465547e+27M$56.8K
Annual income after 10y$1,381,373,456,343,941,000,000,000,000,000,000.00$9,798.13
Total dividends collected$1.383658847866035e+27M$28.9K
Payment frequencyquarterlyquarterly
SectorStockHealthcare

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

YearRSPI PortfolioRSPI Income/yrMRK PortfolioMRK Income/yrGap
1← crossover$11,121,811$11,111,111.11$11,206$366.19+$11.11MRSPI
2$11,561,029,218$11,549,128,879.66$12,650$502.35+$11561.02MRSPI
3$11,232,204,364,934$11,219,834,063,671.13$14,407$694.19+$11232204.35MRSPI
4$10,199,601,320,781,262$10,187,582,862,110,782.00$16,585$967.82+$10199601320.76MRSPI
5$8,656,721,364,988,387,000$8,645,807,791,575,153,000.00$19,342$1,363.89+$8656721364988.37MRSPI
6$6,867,176,795,058,000,000,000$6,857,914,103,197,462,000,000.00$22,913$1,947.19+$6867176795058000.00MRSPI
7$5,091,669,942,459,710,000,000,000$5,084,322,063,288,997,000,000,000.00$27,662$2,823.89+$5091669942459709440.00MRSPI
8$3,528,599,356,203,225,300,000,000,000$3,523,151,269,364,793,600,000,000,000.00$34,159$4,173.35+$3.5285993562032256e+21MRSPI
9$2,285,638,880,947,370,600,000,000,000,000$2,281,863,279,636,233,000,000,000,000,000.00$43,337$6,308.80+$2.2856388809473705e+24MRSPI
10$1,383,819,089,946,554,900,000,000,000,000,000$1,381,373,456,343,941,000,000,000,000,000,000.00$56,776$9,798.13+$1.3838190899465547e+27MRSPI

RSPI vs MRK: Complete Analysis 2026

RSPIStock

RespireRx Pharmaceuticals Inc. engages in the discovery, development, and commercialization of pharmaceuticals for the treatment of neurological and psychiatric disorders. It has two drug platforms comprising ResolutionRx, a pharmaceutical cannabinoids platform, which includes dronabinol that acts upon the CB1 and CB2 endocannabinoid receptors for use in chemotherapy-induced nausea and vomiting, as well as for anorexia in patients with AIDS and obstructive sleep apnea; and EndeavourRx, a neuromodulators platform that comprises AMPAkines program, including proprietary compounds that are positive allosteric modulators (PAMs) of alpha-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid (AMPA)-type glutamate receptors to promote neuronal function, and GABAkines program, including proprietary compounds that are PAMs of GABAA receptors. The company's lead ampakine, CX1739, which has completed Phase II clinical studies for opioid-induced respiratory depression, as well as for central sleep apnea. It is also developing CX717, CX1739, and CX1942 that have clinical application in the treatment of CNS-driven neurobehavioral and cognitive disorders, spinal cord injury, neurological diseases, and various orphan indications. The company was formerly known as Cortex Pharmaceuticals, Inc. and changed its name to RespireRx Pharmaceuticals Inc. in December 2015. RespireRx Pharmaceuticals Inc. was incorporated in 1987 and is headquartered in Glen Rock, New Jersey.

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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.