Nikkei Plunges as Much as ¥1,600 as Oil Prices Surge — 5ch: “Don’t Look at the Points, Look at the Percentage”

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The story

On the 11th, the Nikkei Stock Average opened lower on the Tokyo exchange, falling by more than 1,600 yen at one point. The drop came against a backdrop of surging New York crude oil futures — driven by expectations that tensions in the Middle East will remain elevated for a long time — and a broad decline across major U.S. stock indexes in the previous day’s trading. On 5ch discussion threads, reactions were split: some voiced alarm at the size of the point drop, while others took a calmer view, noting that “in percentage terms it’s only about 2.3%” or that “it just brought us back to where we were a month ago.” The discussion also touched on how the drop might affect the Bank of Japan’s interest rate decision, as well as concerns among individual investors dollar-cost averaging into mutual funds through NISA about their paper gains.

The Nikkei Stock Average opened lower on the Tokyo exchange on the 11th, falling in early trading. The opening price was 64,276.82, down 994.13 yen from the previous day’s close. New York crude oil futures surged on the view that tensions in the Middle East will remain high for an extended period, and on the 10th, major U.S. stock indexes all declined. Concerns spread that surging oil prices and rising interest rates could weigh on the economy and corporate earnings, and at one point the Nikkei’s decline exceeded 1,600 yen.

[Nikkei QUICK News (NQN)]

Nikkei, September 11, 2026, 9:11 AM

Source: nikkei.com / Original article here

What people said

9AnonymousSep 11, 2026 09:19
So, with this crash trend, does the BOJ actually have the guts to raise rates? (lol)
Go ahead and try it, then (lol)
13AnonymousSep 11, 2026 09:20
Re: #9
Interest rates have nothing to do with stock prices lol
63AnonymousSep 11, 2026 09:31
Re: #9
Isn't it the other way around? I thought the stock price dropped because they hinted at a rate hike.
Honestly, isn't holding off on raising rates getting hard to justify by now?
102AnonymousSep 11, 2026 09:43
Re: #9
Huh? Of course it's related.
What kind of idiot central bank hikes rates while the stock market's crashing and the market's in a panic, triggering a reverse wealth effect that chills consumption and drags the economy into the ground?
Just because their mandate is price stability doesn't mean they can ram through a rate hike while ignoring market chaos — anyone who thinks that's possible is way too naive.
30AnonymousSep 11, 2026 09:24
It's gonna drop all the way to 50,000 lolol
53AnonymousSep 11, 2026 09:28
It's no big deal — we just went back to where we were a month ago.

But I do love watching the "missed the boat" crowd like Re: #30 get all worked up about it.
33AnonymousSep 11, 2026 09:25
I don't really care about stocks, but with expensive oil and a weak yen, prices are gonna get even worse and life's gonna get tougher.
Let's all apologize to Iran and go invade Israel instead.
39AnonymousSep 11, 2026 09:26
Re: #33
America would have some strong words for us about that.
38AnonymousSep 11, 2026 09:26
Don't look at the point drop, look at the percentage.
It's only -2.3%.
Back when the Nikkei was at 15,000, that would've been a drop of about 350 yen.
103AnonymousSep 11, 2026 09:43
Re: #38
Well, but that figure also includes people who piled in with absurd amounts of leverage, so if one of them decides it's time to bail, you might see some seriously wild swings.
73AnonymousSep 11, 2026 09:35
It's still got further to fall. Are people's NISA accounts gonna be okay?
76AnonymousSep 11, 2026 09:36
Re: #73
The All-Country World fund ("Orukan") is done for.
85AnonymousSep 11, 2026 09:38
Re: #73
I've been dollar-cost averaging into the All-Country fund through NISA since last November, but between this and the exchange rate, I'm like… where did my gains go?
79AnonymousSep 11, 2026 09:37
It's already down 2,000 yen?
This feels like Eikichi Yazawa's unstoppable "Ah-ha!" (a famous ad-lib from the Japanese rock legend).
88AnonymousSep 11, 2026 09:39
Re: #79
Isn't that the one where he throws the towel? lol
83AnonymousSep 11, 2026 09:37
Re: #1
>due to the view that Middle East tensions will remain heightened for the long term

We've known that for six months already.
Don't tell me people actually believed the Trump administration on this?
86AnonymousSep 11, 2026 09:38
Re: #83
PM Takaichi cut the gasoline tax thinking it'd all be over soon.
118AnonymousSep 11, 2026 09:49
People with fixed-term deposits are the real winners here.
Not a single yen lost lolololololololololol
123AnonymousSep 11, 2026 09:50
Re: #118
By that logic, wouldn't government bonds be even better since they yield more than a fixed deposit?
I've actually been buying up a bunch of them myself lately lol
124AnonymousSep 11, 2026 09:51
"Kioxia will hit 100,000 yen by year-end."
"Kioxia will hit 100,000 yen by year-end."
"Kioxia will hit 100,000 yen by year-end."
128AnonymousSep 11, 2026 09:53
Re: #124
That's a wild price considering it's after the stock split.
134AnonymousSep 11, 2026 09:55
Re: #124
Sounds like something rookie-investor "Shinji" would say lol
126AnonymousSep 11, 2026 09:52
Re: #118
That's the same as taking a real loss once you factor in inflation, you know.
129AnonymousSep 11, 2026 09:53
Re: #126
Still way better than losing money buying the All-Country fund through NISA. It's already too high a level for me to buy in now.
As for government bonds, no thanks — I don't want them sneaking through a constitutional amendment during the 1-year lockup and turning it into a 10-year lockup.
133AnonymousSep 11, 2026 09:55
Re: #129
Well, paying attention to market conditions is always a good thing.
142AnonymousSep 11, 2026 09:59
Re: #129
At least from this year into next, I think holding cash is the right call.
151AnonymousSep 11, 2026 10:02
With the Iran war escalating, there's no way stocks are going up.
Stocks are the first thing dumped when people flee to safety — they're a risk-sensitive asset.
What gets stronger in times like this is the US dollar.
157AnonymousSep 11, 2026 10:04
Re: #151
Actually, the currency that's risen the most since the Iran war started is the yen, lol
158AnonymousSep 11, 2026 10:04
Re: #151
No, the whole dollar-as-reserve-currency system itself is under threat.
Ups and downs aside, gold is still the safer bet.
152AnonymousSep 11, 2026 10:02
Re: #147
Compare that to inflation in the rest of the world.
153AnonymousSep 11, 2026 10:03
Re: #152
In most of the world, national health insurance is either cheap or nonexistent.
160AnonymousSep 11, 2026 10:05
Re: #152
China's in deflation, though.

Background and Key Points

The Nikkei’s drop of more than 1,600 yen at one point was driven by surging New York crude oil futures amid expectations that Middle East tensions will remain elevated for the long term, and the resulting decline in U.S. stocks the previous day. Since higher oil prices translate directly into higher domestic prices and gasoline costs, the thread also touched on economic policy responses such as the government’s gasoline tax cut. Opinions were split on how to read the size of the drop: some reacted to the raw figure of 1,600 yen, while others pointed out that in percentage terms it’s only about 2.3%, and that the point drop looks larger simply because the Nikkei’s overall level is higher than it used to be. Individual investors dollar-cost averaging into mutual funds (like the “Orukan” All-Country fund) through NISA also voiced concern about their shrinking unrealized gains, reflecting the experience of those who started investing after the new NISA program launched. Note that views on the relationship between this drop and the Bank of Japan’s rate decision were split — some argued “rate hikes have nothing to do with stock prices,” others that “hiking rates during a stock slump would cool the economy” — so no market consensus had formed at the time this article was written.

*This article is excerpted and summarized from the 5ch (News Speed+) thread “[Stock Prices] Nikkei Average Opens Sharply Lower, Down 1,600 Yen at One Point Amid Oil Surge Concerns.”

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