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‘Informed Traders’ May Have Profited From Oct. 7 Massacre With Advance Stock Market Activity, Study Finds
An aerial view shows the bodies of victims of an attack following a mass infiltration by Hamas gunmen from the Gaza Strip lying on the ground in Kibbutz Kfar Aza, in southern Israel, Oct. 10, 2023. Photo: REUTERS/Ilan Rosenberg
Stock traders may have profited massively off the Hamas terror group’s Oct. 7 massacre across southern Israel by using advance knowledge of the onslaught to short sell Israeli companies in the days leading up to the surprise invasion, according to a new study by US researchers.
The study — titled “Trading on Terror?” — was published in the SSRN journal by Robert J. Jackson, Jr. of the New York University School of Law and Joshua Mitts of Columbia Law School. The researchers concluded that traders who apparently had prior knowledge of the Oct. 7 terrorist attacks made billions of dollars.
“Informed traders increasingly disguise trades in economically linked securities such as exchange-traded funds (ETFs). Linking that work to longstanding literature on financial markets’ reactions to military conflict, we document a significant spike in short selling in the principal Israeli-company ETF days before the Oct. 7 Hamas attack,” the study stated. “Our findings suggest that traders informed about the coming attacks profited from these tragic events, and consistent with prior literature we show that trading of this kind occurs in gaps in US and international enforcement of legal prohibitions on informed trading.”
The researchers noted that short selling on Oct. 7 “far exceeded” the short selling that occurred during other recent periods of crisis, such as the Great Recession of 2007-2009, the 2014 Gaza war, and the COVID-19 pandemic. The study added that there was no major rise in short selling before the Israeli government passed controversial judicial reform legislation in July, after which stock prices dropped.
However, “we identify increases in short selling before the [Oct. 7] attack in dozens of Israeli companies traded in Tel Aviv,” the paper said. “For one Israeli company alone, 4.43 million new shares sold short over the Sept. 14 to Oct. 5 period yielded profits (or avoided losses) of 3.2 billion NIS on that additional short selling.”
Short selling is when a trader borrows shares and sells them, hoping the price will then fall so they can buy them back for cheaper.
“Although we see no aggregate increase in shorting of Israeli companies on US exchanges, we do identify a sharp and unusual increase, just before the attacks, in trading in risky short-dated options on these companies expiring just after the attacks,” the study found. “We identify similar patterns in the Israeli ETF at times when it was reported that Hamas was planning to execute a similar attack as in October.”
One of the biggest days of short selling occurred on Oct. 2. Given how “unusual” their findings were, the researchers wrote it was “extremely unlikely that the volume of short selling on Oct. 2 occurred by random chance.”
On Oct. 7, Palestinian terrorists led by Hamas invaded southern Israel from neighboring Gaza and murdered over 1,200 people, mostly civilians, in the deadliest single-day rampage against Jews since the Holocaust. The terrorists also kidnapped over 240 people as hostages in their brutal onslaught, which launched the current Israel-Hamas war in Gaza.
The massacre was a shock to Israel and the entire world, raising questions about who would have had advance knowledge of it. Hamas’ top leaders are reportedly billionaires with vast financial assets, although the study did not suggest whether they or anyone else specifically could have tried to profit off the brutal assault in the stock market.
Nonetheless, the researchers concluded the stock market activity leading up to Oct. 7 was likely not a coincidence.
“Taken together, this evidence indicates that the volume of short selling observed over the days immediately prior to the Hamas attack was extraordinarily high and unlikely to have been explained by bona fide market making, because that should have been accompanied by high volumes of purchases to offset those short sales — if not on the same day, certainly very quickly,” the study found. “Otherwise, the market maker would be exposed to directional movements in the stock price.”
The post ‘Informed Traders’ May Have Profited From Oct. 7 Massacre With Advance Stock Market Activity, Study Finds first appeared on Algemeiner.com.
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Security Warning to Israelis Vacationing Abroad Ahead of holidays

A passenger arrives to a terminal at Ben Gurion international airport before Israel bans international flights, January 25, 2021. REUTERS/Ronen Zvulun
i24 News – Ahead of the Jewish High Holidays, Israel’s National Security Council (NSC) published the latest threat assessment to Israelis abroad from terrorist groups to the public on Sunday, in order to increase the Israeli public’s awareness of the existing terrorist threats around the world and encourage individuals to take preventive action accordingly.
The NSC specified that the warning is an up-to-date reflection of the main trends in the activities of terrorist groups around the world and their impact on the level of threat posed to Israelis abroad during these times, but the travel warnings and restrictions themselves are not new.
“As the Gaza war continues and in parallel with the increasing threat of terrorism, the National Security Headquarters stated it has recognized a trend of worsening and increasing violent antisemitic incidents and escalating steps by anti-Israel groups, to the point of physically harming Israelis and Jews abroad. This is in light of, among other things, the anti-Israel narrative and the negative media campaign by pro-Palestinian elements — a trend that may encourage and motivate extremist elements to carry out terrorist activities against Israelis or Jews abroad,” the statement read.
“Therefore, the National Security Bureau is reinforcing its recommendation to the Israeli public to act with responsibility during this time when traveling abroad, to check the status of the National Security Bureau’s travel warnings (before purchasing tickets to the destination,) and to act in accordance with the travel warning recommendations and the level of risk in the country they are visiting,” it listed, adding that, as illustrated in the past year, these warnings are well-founded and reflect a tangible and valid threat potential.
The statement also emphasized the risk of sharing content on social media networks indicating current or past service in the Israeli security forces, as these posts increase the risk of being marked by various parties as a target. “Therefore, the National Security Council recommends that you do not upload to social networks, in any way, content that indicates service in the security forces, operational activity, or similar content, as well as real-time locations.”
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Israel Intensifies Gaza City Bombing as Rubio Arrives

Displaced Palestinians, fleeing northern Gaza due to an Israeli military operation, move southward after Israeli forces ordered residents of Gaza City to evacuate to the south, in the central Gaza Strip September 14, 2025. Photo: REUTERS/Mahmoud Issa
Israeli forces destroyed at least 30 residential buildings in Gaza City and forced thousands of people from their homes, Palestinian officials said, as US Secretary of State Marco Rubio arrived on Sunday to discuss the future of the conflict.
Israel has said it plans to seize the city, where about a million Palestinians have been sheltering, as part of its declared aim of eliminating the terrorist group Hamas, and has intensified attacks on what it has called Hamas’ last bastion.
The group’s political leadership, which has engaged in on-and-off negotiations on a possible ceasefire and hostage release deal, was targeted by Israel in an airstrike in Doha on Tuesday in an attack that drew widespread condemnation.
Qatar will host an emergency Arab-Islamic summit on Monday to discuss the next moves. Rubio said Washington wanted to talk about how to free the 48 hostages – of whom 20 are believed to be still alive – still held by Hamas in Gaza and rebuild the coastal strip.
“What’s happened, has happened,” he said. “We’re gonna meet with them (the Israeli leadership). We’re gonna talk about what the future holds,” Rubio said before heading to Israel where he will stay until Tuesday.
ABRAHAM ACCORDS AT RISK
He was expected to visit the Western Wall Jewish prayer site in Jerusalem on Sunday with Prime Minister Benjamin Netanyahu and hold talks with him during the visit.
US officials described Tuesday’s strike on the territory of a close US ally as a unilateral escalation that did not serve American or Israeli interests. Rubio and US President Donald Trump both met Qatar’s Prime Minister Mohammed bin Abdulrahman Al-Thani on Friday.
Netanyahu signed an agreement on Thursday to push ahead with a settlement expansion plan that would cut across West Bank land that the Palestinians seek for a state – a move the United Arab Emirates warned would undermine the US-brokered Abraham accords that normalized UAE relations with Israel.
Israel, which blocked all food from entering Gaza for 11 weeks earlier this year, has been allowing more aid into the enclave since late July to prevent further food shortages, though the United Nations says far more is needed.
It says it wants civilians to leave Gaza City before it sends more ground forces in. Tens of thousands of people are estimated to have left but hundreds of thousands remain in the area. Hamas has called on people not to leave.
Israeli army forces have been operating inside at least four eastern suburbs for weeks, turning most of at least three of them into wastelands. It is closing in on the center and the western areas of the territory, where most of the displaced people are taking shelter.
Many are reluctant to leave, saying there is not enough space or safety in the south, where Israel has told them to go to what it has designated as a humanitarian zone.
Some say they cannot afford to leave while others say they were hoping the Arab leaders meeting on Monday in Qatar would pressure Israel to scrap its planned offensive.
“The bombardment intensified everywhere and we took down the tents, more than twenty families, we do not know where to go,” said Musbah Al-Kafarna, displaced in Gaza City.
Israel said it had completed five waves of air strikes on Gaza City over the past week, targeting more than 500 sites, including Hamas reconnaissance and sniper sites, buildings containing tunnel openings and weapons depots.
Local officials, who do not distinguish between militant and civilian casualties, say at least 40 people were killed by Israeli fire across the enclave, a least 28 in Gaza City alone.
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Turkey Warns of Escalation as Israel Expands Strikes Beyond Gaza

Turkey’s President Tayyip Erdogan speaks during a press conference with Greek Prime Minister Kyriakos Mitsotakis (not seen) at the Presidential Palace in Ankara, Turkey, May 13, 2024. Photo: REUTERS/Umit Bektas
i24 News – An Israeli strike targeting Hamas officials in Qatar has sparked unease among several Middle Eastern countries that host leaders of the group, with Turkey among the most alarmed.
Officials in Ankara are increasingly worried about how far Israel might go in pursuing those it holds responsible for the October 7 attacks.
Israel’s prime minister effectively acknowledged that the Qatar operation failed to eliminate the Hamas leadership, while stressing the broader point the strike was meant to make: “They enjoy no immunity,” the government said.
On X, Prime Minister Netanyahu went further, writing that “the elimination of Hamas leaders would put an end to the war.”
A senior Turkish official, speaking on condition of anonymity, summed up Ankara’s reaction: “The attack in Qatar showed that the Israeli government is ready to do anything.”
Legally and diplomatically, Turkey occupies a delicate position. As a NATO member, any military operation or targeted killing on its soil could inflame tensions within the alliance and challenge mutual security commitments.
Analysts caution, however, that Israel could opt for covert measures, operations carried out without public acknowledgement, a prospect that has increased anxiety in governments across the region.
Israeli officials remain defiant. In an interview with Ynet, Minister Ze’ev Elkin said: “As long as we have not stopped them, we will pursue them everywhere in the world and settle our accounts with them.” The episode underscores growing fears that efforts to hunt Hamas figures beyond Gaza could widen regional friction and complicate diplomatic relationships.