Ambev S.A. heads into its May 5 earnings report with short sellers quietly adding pressure and the options market flashing an unusually bullish signal — a rare divergence worth watching.
The short side has been building. Estimated short interest climbed roughly 12% over the past week to around 168 million shares, continuing a pattern that has pushed positions up nearly 10% over the past month. Days to cover run at 5.8 days on the official FINRA read — a relatively slow unwind that reflects the difficulty of covering at scale. The borrow market has eased considerably since March, when cost to borrow briefly approached 5%. It has since pulled back to 2.5%, meaning bears are paying far less to maintain positions than they were a month ago. Availability is moderate at around 62% of existing short interest, neither tight nor loose. The short score has drifted up to 62.5, its highest reading of the past two weeks, signalling continued accumulation rather than a rollback.
Options positioning tells the opposite story. The put/call ratio has collapsed to 0.26 — near its 52-week low of 0.22 and well below the 20-day average of 0.91. That reading, roughly one standard deviation below normal, reflects heavy call-side activity. Whether that represents speculative longs or hedged structures is unclear from the PCR alone, but the gap between the options signal and the short interest trajectory is one of the sharpest divergences in the data set. Two separate camps appear to be expressing opposing views ahead of Tuesday's release.
The analyst backdrop skews cautious. UBS downgraded to Sell in mid-April — a notable move from a bellwether firm with recent history on the name. Barclays kept its Equal-Weight in February while nudging its target to $3.00, roughly in line with the current price of $2.90. Bernstein had already stepped down to Market Perform in late 2025. The direction of travel across the Street has been consistently lower over the past twelve months, with multiple firms trimming targets or reducing ratings. A mean price target near $3.09 offers minimal upside from current levels, suggesting the consensus view prices in very little recovery. EV/EBITDA has drifted to 6.8x, which looks undemanding for a dominant Latin American beverage franchise — a factor-score read on EV/EBIT ranks in the 80th percentile of the universe. Dividend yield scores in the 91st percentile, which keeps income investors anchored even as growth expectations fade.
The institutional ownership picture is unusually concentrated. Parent company Anheuser-Busch InBev controls 62% of the float and has not changed its position. The Zerrenner Foundation holds a further 10%. Free-float trading is therefore thin relative to the headline share count, which amplifies the relevance of the short build-up — 168 million shares short against a genuinely constrained tradeable base. The May 5 print will test whether the recent volume of new shorts has correctly anticipated weakness in Ambev's Q1 numbers, or whether the call-heavy options positioning reflects a setup that catches the bears offside.
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