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The culprit behind the volatility in the U.S. stock market: A giant fund rebalanced its portfolio on Tuesday. Will the market get a breather?

Golden10 Data ·  Mar 30 16:08

The key options strategy of JPMorgan's hedged equity fund is set to reset at the end of the quarter, with large positions potentially amplifying market volatility. As the S&P 500 falls below a critical strike price, mandatory hedging and fund flows may compound to create more intense short-term market turbulence.

According to Marketwatch, a large institutional options fund may be one of the key drivers behind the recent surge in volatility in the S&P 500 Index. The fund is expected to reset its positions on March 31, which could lead to even more significant market fluctuations this week.

This fund is the JPMorgan Hedged Equity Fund, and its strategy is relatively straightforward: to protect investors by limiting losses when the S&P 500 declines, while simultaneously capping the upside potential of the portfolio's returns.

This strategy is implemented through an options trading structure known as a "put-spread collar." In simple terms, JPMorgan purchases put options at levels below the current S&P 500 level to hedge the portfolio; simultaneously, the fund sells call options above the current index level to finance the hedging costs, thereby restricting the upside gains for investors.

What stands out most about this trade is its massive scale. These option orders are so large that they allow the fund to exert significant influence over the S&P 500 and introduce notable market volatility.

Ben Kizemchuk, Senior Investment Advisor and Portfolio Manager at Wellington-Altus Private Wealth, stated, "JPMorgan’s 'collar' is one of the most closely watched systematic options trades in the market. It has a significant impact on market stability, quarter-end capital flows, and short-term volatility in the S&P 500.”

Kizemchuk pointed out that this volatility is already reflected in the S&P 500. A key strike price set by JPMorgan for this trade is 6475 points—meaning that when the index falls, market makers and counterparties need to sell S&P 500 futures to hedge; conversely, when the market rises, they need to buy futures to hedge risks. This mechanism amplifies volatility around this critical level.

He said, "Therefore, the 6475-point strike price acts like 'kryptonite' for the market—repelling prices whether approached from above or below. The market tends to move away from this level. A rebound from above 6475 increases the likelihood of a rapid bounce; once it falls below 6475, it may trigger passive selling by counterparties, accelerating the decline."

The S&P 500 broke below this level last Thursday and saw accelerated selling on Friday. With the fund planning to conduct its quarterly reset on Tuesday, Kizemchuk believes that substantial quarter-end capital flows could further amplify market volatility in the coming days.

Daniel Roos, founder of the options tracking and modeling platform VolSignals, stated that the S&P 500 falling below this critical level before the fund’s reset could trigger a downward movement that might make investors feel uneasy.

Roos told MarketWatch, "If we are below the put option strike price, one major factor causing market panic is the selling that must occur to complete the hedge."

He illustrated this with an example: 'For instance, if the market remains at its current level on Monday and there is only one day left before the reset, this alone implies the need to sell approximately 20,000 additional futures contracts. This would lead to a very uncomfortable, slow decline.'

However, once the 'collar' strategy completes its reset this week, the market's reaction to daily news should moderate. This is because volatility tends to be highest when the S&P 500 is near the put strike price. After a new round of position building, the new put strike will mechanically shift lower.

Russ stated: 'A significant source of current volatility is the hedging of this near-the-money short Gamma position. Once this position disappears—regardless of market news—volatility will decrease.'

He also pointed out that the demand generated to hedge these large-scale option positions has recently placed considerable pressure on the market, which may even intensify in the short term. However, as funds complete their reset, the market is expected to gradually return to a certain degree of normalcy.'

Editor/Doris

The translation is provided by third-party software.


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