Vistra Corp. heads into its August 5 earnings date with analysts growing more constructive, options tilting toward calls, and short interest quietly unwinding from a June peak.
The most notable move this week came from the Street. Scotiabank's Andrew Weisel raised his price target to $298 from $293 today, maintaining a Sector Outperform rating — a fresh endorsement that reinforces the broadly bullish analyst tilt on the stock. The consensus mean target sits near $223, which at first glance implies modest upside from the current $158.43 close, but that figure is anchored by older, lower targets from earlier rounds of cuts at JPMorgan and TD Cowen. More recent actions — including Jefferies' upgrade to Buy in February and successive target raises at Scotiabank and UBS — point to a Street that has been trending more positive through 2026. Factor scores corroborate the picture: EPS surprise ranks in the 95th percentile, forward EPS growth ranks 90th, and analyst recommendation divergence sits at the 92nd percentile — all signals of a name where fundamental momentum is beating expectations and analysts are catching up. The valuation, at roughly 16.9x trailing earnings and 9.8x EV/EBITDA, has drifted modestly higher over the past month, reflecting the stock's 7% gain in the period.
Options positioning adds another layer of conviction. The put/call ratio has dropped to 0.86 — well below its 20-day average of 0.95 — placing it nearly 1.5 standard deviations on the bullish side of recent norms. That is the most call-skewed reading in weeks. A month ago, the ratio was running above 1.0 throughout late June, meaning options traders were hedging more heavily. The shift mirrors the stock's recovery: VST has climbed from the low $140s in mid-June to $158, and call buyers have moved in step with that price recovery.
Short interest tells a quieter story, though the trend is worth tracking. Bears hold roughly 4.6% of the free float short — not extreme, but up 18% from a month ago after a sharp buildup through mid-June that briefly pushed shares short above 17.8 million on June 22. Since then, short sellers have been covering, with shares short down about 2.5% over the past week to 15.4 million. Borrow costs have ticked up 64% over the week to 0.50%, a notable percentage move but still low in absolute terms. Availability remains extraordinarily loose at over 8,600% — meaning there are roughly 86 shares available to borrow for every one already shorted — so there is no structural constraint on bears adding back positions if the narrative turns.
Insiders have been consistent sellers. The independent chairman sold $4 million worth of shares at $160 on June 16, and two directors each sold over $1 million at $165–$170 around June 18. The chief accounting officer sold a combined $1.6 million across late May and early June. These are not alarming in isolation — directors routinely liquidate vested equity — but the concentration of selling near the $160–$170 range, just above where the stock trades today, is a reference point worth holding.
The two most recent quarterly prints are a reminder that good fundamentals have not always translated to good price action: VST fell 6.7% the day after its May 7 results and 10% over the following week. With Q2 numbers due August 5, the setup into that release — bullish options flow, easing short interest, and a fresh analyst catalyst — will be the tension worth watching.
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