HomeCompareZIOP vs MRK

ZIOP vs MRK: Dividend Comparison 2026

ZIOP yields 231.03% · MRK yields 2.76%● Live data

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After 10 years · $10,000 invested · DRIP enabled
🏆 ZIOP wins by $281.94M in total portfolio value
10 years
ZIOP
ZIOP
● Live price
231.03%
Share price
$0.87
Annual div
$2.00
5Y div CAGR
0%
Payout ratio
50%
After 10 yrs · $10,000 · DRIP
Portfolio value
$281.99M
Annual income
$152,307,756.02
Full ZIOP 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 — ZIOP vs MRK

📍 ZIOP 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 PeriodZIOPMRK
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, ZIOP + MRK cover 0 of 12 monthsgood coverage

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

Tax Bracket Optimizer

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

ZIOP
Annual income on $10K today (after 15% tax)
$19,637.29/yr
After 10yr DRIP, annual income (after tax)
$129,461,592.62/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, ZIOP beats the other by $129,453,264.21/year in after-tax income after 10 years on $10,000
⚖️

Lazy Portfolio Split Optimizer

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

ZIOP: 50%MRK: 50%
100% MRK50/50100% ZIOP
Portfolio after 10yr
$141.03M
Annual income
$76,158,777.08/yr
Blended yield
54.00%
📊

Analyst Conviction Gap

Where Wall Street is most bullish on MRK right now

ZIOP
No analyst data
Altman Z
-287.0
Piotroski
3/9
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)

ZIOP buys
0
MRK buys
0
No recent congressional trades found for ZIOP or MRK in the last 90 days.
STOCK Act mandates disclosure within 45 days of transaction. Data via FMP.Full tracker →
MetricZIOPMRK
Forward yield231.03%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$281.99M$56.8K
Annual income after 10y$152,307,756.02$9,798.13
Total dividends collected$267.75M$28.9K
Payment frequencyquarterlyquarterly
SectorStockHealthcare

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

YearZIOP PortfolioZIOP Income/yrMRK PortfolioMRK Income/yrGap
1← crossover$33,803$23,102.69$11,206$366.19+$22.6KZIOP
2$109,153$72,984.41$12,650$502.35+$96.5KZIOP
3$337,052$220,258.08$14,407$694.19+$322.6KZIOP
4$996,281$635,635.69$16,585$967.82+$979.7KZIOP
5$2,821,960$1,755,939.31$19,342$1,363.89+$2.80MZIOP
6$7,667,803$4,648,304.92$22,913$1,947.19+$7.64MZIOP
7$20,008,593$11,804,044.41$27,662$2,823.89+$19.98MZIOP
8$50,195,948$28,786,753.46$34,159$4,173.35+$50.16MZIOP
9$121,203,020$67,493,355.30$43,337$6,308.80+$121.16MZIOP
10$281,994,987$152,307,756.02$56,776$9,798.13+$281.94MZIOP

ZIOP vs MRK: Complete Analysis 2026

ZIOPStock

ZIOPHARM Oncology, Inc., a clinical-stage biopharmaceutical company, focuses on discovering, acquiring, developing, and commercializing a portfolio of immuno-oncology therapies to treat patients with cancer. The company develops Sleeping Beauty platform, which is based on the non-viral genetic engineering of immune cells using a transposon/transposase system to engineer T-cells outside of the body for infusion; and Controlled IL-12 to stimulate expression of interleukin 12 or IL-12, a master regular of the immune system, in a controlled manner to focus the patient's immune system to attack cancer cells. Its product candidates include T cell receptor + T therapies to target solid tumors; chimeric antigen receptor + T cell therapies targeting CD19 for hematologic malignancies; and Ad-RTS-hIL-12 plus veledimex, a gene delivery system to regulate production of IL-12 to treat patients with recurrent glioblastoma multiforme in adults. The company has a license agreement with PGEN Therapeutics, Inc.; research and development agreement with The University of Texas MD Anderson Cancer Center; a patent license agreement with the National Cancer Institute; and a cooperative research and development agreement with the National Cancer Institute. ZIOPHARM Oncology, Inc. is headquartered in Boston, Massachusetts.

Full ZIOP 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.