Why is Six Flags Entertainment stock sliding today?

Shares of Six Flags Entertainment fell 5.1% in pre-open trading after the company posted second-quarter 2026 results that badly missed Wall Street’s revenue expectations, reigniting concerns about the pace of its post-merger turnaround.

The company reported net revenues of approximately $865 million for the quarter, roughly $70 million below the consensus estimate of $935.2 million, while the net loss widened to $203 million from $100 million in the same period a year earlier.

The headline figures were distorted by the sale of seven parks to EPR Properties prior to the 2026 operating season, which reduced the year-over-year comparison base.

On a same-park basis, revenue edged up 2.4% to $864.5 million, with attendance rising 4% and season-pass visitation climbing 10%; however, lower per capita spending and approximately 3% fewer operating days offset those gains and left investors disappointed.

Adjusted EBITDA on a same-park basis was roughly flat, offering little reassurance that profitability momentum is building.

The results arrived against a backdrop of already-cautious analyst sentiment: Guggenheim had trimmed its price target to $28 from $33 in late July, and Citi had cut its target to $19 from $24 in early July, with both firms flagging softer summer attendance trends. The broader market provided little cushion, with the S&P 500 up just 0.2% and the NASDAQ slightly lower, leaving sector peers such as United Parks & Resorts also under modest pressure.

Taken together, a substantial revenue miss, widening losses, and a year-over-year attendance decline combined to overwhelm the positive same-park signals in today’s report, sending FUN shares to $17.80 — near the lower end of their 52-week range of $12.51 to $27.37 — as investors reassessed the timeline for a meaningful earnings recovery.