The 8 worst days EVER for the Dow -- all of them under Donald Trump:

[SunSeeker]

-2,997.10 - March 16, 2020
-2,352.60 - March 12, 2020
-2,231.07 - TODAY
-2,013.76 - March 9, 2020
-1,861.82 - June 11, 2020
-1,679.39 - YESTERDAY
-1,464.94 - March 11, 2020
-1,338.46 - March 18, 2020

[BigmanPigman]

1. ...and idiotic Americans keep voting for him

when it is mostly against their own personal interests. I have no pity for any of them, I blame them for being such enormous morons year after year, decade after decade.

[AZJonnie]

2. Percentage drops are a more honest measure of 'worst days', where do these days rank percentage-wise?

I'd think at least Black Monday in 87, and possibly a day or two from the 2008 were higher % drops than most of these?

[SunSeeker]

4. The 2 worst percentage drops in the Dow Jones occurred under Reagan and Trump.

And yes, the worst single-day percentage drop in the Dow Jones Industrial Average history occurred on October 19, 1987 (Black Monday) under Reagan, with a decline of 22.6%. On March 16, 2020, under Trump, the Dow fell almost 3,000 points, or nearly 13 percent, for its largest point decline ever and largest single-day percentage drop since the 1987 crash. https://www.bankrate.com/investing/biggest-stock-market-crashes-in-us-history/#crashing

Is that "honest" enough for you?

[AZJonnie]

5. I'm just thinking if I wanted to share this information in other places like Reddit or similar

I'd rather report it as something like "8 of the worst 12 days" or "8 of the worst 15 days, i.e. over HALF!" based on % drops (if those were the accurate numbers, I don't know offhand).

It's still a damning fact, and I wouldn't open myself to reasonable criticism that my accounting is incorrect.

[SunSeeker]

6. This week was the 3rd worst, percentage wise, but the worst may be coming up Monday.

Hedge funds are facing Lehman-style margin calls as a market crash triggered by President Donald Trump's tariffs raises fears of a looming 'Black Monday.' https://www.democraticunderground.com/100220210048

And if you add up the last few days, we could easily be in "crash" territory, maybe even surpassing 1987 or 2000.

[AZJonnie]

8. Here's what my sources came up with based on % change

Here we go, this is by %, the worst 30 in the last 50 years. 25 of the 30 happened on GOP watch, and 14 of 30 happened on Trump's watch(es). Not one of them happened under Joe Biden!

October 19, 1987: Black Monday (-22.6%) (Reagan - GOP)
March 16, 2020: COVID-19 Pandemic (-12.9%) (Trump - GOP)
March 12, 2020: COVID-19 Market Panic (-9.99%) (Trump - GOP)
October 26, 1987: Post-Black Monday (-8%) (Reagan - GOP)
October 15, 2008: Financial Crisis (-7.9%) (Bush - GOP)
April 4, 2025: Tariff Turmoil (-7.9%) (Trump - GOP)
December 1, 2008: Recession Declared (-7.7%) (Bush - GOP)
October 9, 2008: Bank Bailout Discussions (-7.3%) (Bush - GOP)
September 29, 2008: Bailout Rejection (-6.98%) (Bush - GOP)
October 27, 1997: Asian Financial Crisis (-7.2%) (Clinton - Democrat)
March 9, 2020: Oil Crash/COVID Fears (-7%) (Trump - GOP)
August 24, 2015: China Slowdown (-6.6%) (Obama - Democrat)
April 3, 2025: Tariff Announcement (-6%) (Trump - GOP)
February 5, 2018: Volatility Spike (-4.6%) (Trump - GOP)
August 21, 2015: Global Selloff (-3.6%) (Obama - Democrat)
June 24, 2016: Brexit Vote Impact (-3.4%) (Obama - Democrat)
May 2, 2018: Trade War Concerns (-3.2%) (Trump - GOP)
October 10, 2008: Financial Crisis Fallout (-3%) (Bush - GOP)
November 20, 2008: Recession Worsens (-2.9%) (Bush - GOP)
March 18, 2020: COVID-19 Continued Panic (-2.85%) (Trump - GOP)
December 14, 2018: Rate Hike Concerns (-2.84%) (Trump - GOP)
August 14, 2019: Yield Curve Inversion (-2.81%) (Trump - GOP)
September 17, 2001: Post-9/11 Reopening Drop (-2.77%) (Bush - GOP)
February 27, 2020: COVID-19 Early Fears (-2.77%) (Trump - GOP)
April 10, 2020: Unemployment Surge (-2.75%) (Trump - GOP)
October 30, 1987: Post-Crash Volatility (-2%) (Reagan - GOP)
March 23, 2020: Stimulus Uncertainty (-1.99%) (Trump - GOP)
January 24, 2014: Emerging Markets Selloff (-1.96%) (Obama - Democrat)
July 31, 1990: Gulf War Fears Begin (-1.95%) (Bush Sr. - GOP)
February 28, 2020: Pandemic Escalation Worries (-1.94%) (Trump - GOP)

That's still a very powerful list to share, and it's fairly unassailable in terms of the logic used.

Here's another good one, the top 11 worst 3-day intervals for the Dow Jones Industrial Average based on percentage drops within the past 50 years. 9 of 11 happened on the GOP's watch, and all the top 7, and 4 of 11 happened under Trump, tied for the worst with GWB. Again, no Joe Biden:

March 16-18, 2020: COVID-19 Market Panic (-28.89%) (Trump - GOP)
October 9-13, 2008: Financial Crisis Fallout (-22.18%) (Bush - GOP)
October 19-21, 1987: Black Monday and Aftermath (-22.6%) (Reagan - GOP)
September 29-October 1, 2008: Bailout Rejection and Recession Fears (-22.9%) (Bush - GOP)
March 9-11, 2020: COVID-19 and Oil Crash (-21.59%) (Trump - GOP)
December 1-3, 2008: Recession Declared (-19.2%) (Bush - GOP)
October 15-17, 2008: Financial Crisis Intensifies (-17.9%) (Bush - GOP)
August 21-25, 2015: China Slowdown and Global Selloff (-13.6%) (Obama - Democrat)
June 24-28, 2016: Brexit Vote Impact (-14.6%) (Obama - Democrat)
February 5-7, 2018: Volatility Spike (-15%) (Trump - GOP)
April 2-4, 2025: Tariff Turmoil (-9.19%) (Trump - GOP)

[SunSeeker]

11. What are your sources?

[AZJonnie]

13. I used well-formed prompts using the pro version of an AI version I subscribe to for work

Given I use it daily, I'm pretty confident with my prompting capability, and that it's usually quite good at mathematically simple questions regarding publicly available statistics. Why, do you have some reason to doubt it's accuracy? That said, I trust the 1st list more than the 2nd, because that is getting into a more complex calculation.

[W_HAMILTON]

7. 1987, 2008, 2025 -- sure sounds like a lot of Republican fuck-ups to me!

Maybe THAT should be the focus instead of diminishing the OP's point by going off on a tangent?

If you want to talk about the largest percentage drops in US history, why not go start your own thread about it?

[AZJonnie]

9. Only because it's pretty much mathematically incorrect to call them the 'eight worst days'?

And I'm the kind of person that likes things to be accurate? I know it's annoying, sorry. Character flaw, admittedly

Anyways, I've posted two lists based on percentages above. As you can see, one can easily make the point that the GOP in general, and Trump specifically both SUCK for the market, without opening oneself up to complaints about faulty math

[Emile]

3. Can we finally end the lie Republicans are better with the economy?

WTF people!

[Efilroft Sul]

10. Orange dude peeled off 15,939.14 from the Dow. So much winning you'd have to lose your mind to want more.

[thought crime]

12. Trump blames Dow Jones

They've always treated me so badly.

[Meowmee]

14. I had mostly forgotten about the covid crashes

I was too ill with covid pneumonia, but I stopped making contributions to my roth ira then. But it all came back up eventually. This time I have no faith it will until you know who is gone probably.